<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with WebFilings-->
<!-- -->
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <roleRef roleURI="http://www.seic.com/role/AccumulatedComprehensiveIncomeLoss" xlink:href="seic-20121231.xsd#AccumulatedComprehensiveIncomeLoss" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/AccumulatedComprehensiveIncomeLossScheduleOfAccumulatedOtherComprehensiveIncomeLossNetOfTaxDetails" xlink:href="seic-20121231.xsd#AccumulatedComprehensiveIncomeLossScheduleOfAccumulatedOtherComprehensiveIncomeLossNetOfTaxDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/AccumulatedComprehensiveIncomeLossTables" xlink:href="seic-20121231.xsd#AccumulatedComprehensiveIncomeLossTables" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/BusinessSegmentInformation" xlink:href="seic-20121231.xsd#BusinessSegmentInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/BusinessSegmentInformationBusinessSegmentInformationScheduleOfRevenuesAndAssetsBasedOnLocationDetails" xlink:href="seic-20121231.xsd#BusinessSegmentInformationBusinessSegmentInformationScheduleOfRevenuesAndAssetsBasedOnLocationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/BusinessSegmentInformationReconciliationOfTotalOperatingProfitReportedForBusinessSegmentsToIncomeFromOperationsInConsolidatedStatementsOfOperationsDetails" xlink:href="seic-20121231.xsd#BusinessSegmentInformationReconciliationOfTotalOperatingProfitReportedForBusinessSegmentsToIncomeFromOperationsInConsolidatedStatementsOfOperationsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/BusinessSegmentInformationScheduleOfAdditionalInformationPertainingToBusinessSegmentsDetails" xlink:href="seic-20121231.xsd#BusinessSegmentInformationScheduleOfAdditionalInformationPertainingToBusinessSegmentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/BusinessSegmentInformationScheduleOfFinancialInformationAboutBusinessSegmentsDetails" xlink:href="seic-20121231.xsd#BusinessSegmentInformationScheduleOfFinancialInformationAboutBusinessSegmentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/BusinessSegmentInformationTables" xlink:href="seic-20121231.xsd#BusinessSegmentInformationTables" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/CommitmentsAndContingencies" xlink:href="seic-20121231.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/CommitmentsAndContingenciesCommitmentsAndContingenciesNarrativeDetails" xlink:href="seic-20121231.xsd#CommitmentsAndContingenciesCommitmentsAndContingenciesNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/CommitmentsAndContingenciesScheduleOfNoncancellableMinimumCommitmentsDetails" xlink:href="seic-20121231.xsd#CommitmentsAndContingenciesScheduleOfNoncancellableMinimumCommitmentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/CommitmentsAndContingenciesTables" xlink:href="seic-20121231.xsd#CommitmentsAndContingenciesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/CompositionOfCertainFinancialStatementCaptions" xlink:href="seic-20121231.xsd#CompositionOfCertainFinancialStatementCaptions" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/CompositionOfCertainFinancialStatementCaptionsAccruedLiabilitiesDetails" xlink:href="seic-20121231.xsd#CompositionOfCertainFinancialStatementCaptionsAccruedLiabilitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/CompositionOfCertainFinancialStatementCaptionsCompositionOfCertainFinancialStatementCaptionsOtherAssetsDetails" xlink:href="seic-20121231.xsd#CompositionOfCertainFinancialStatementCaptionsCompositionOfCertainFinancialStatementCaptionsOtherAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/CompositionOfCertainFinancialStatementCaptionsPropertyAndEquipmentDetails" xlink:href="seic-20121231.xsd#CompositionOfCertainFinancialStatementCaptionsPropertyAndEquipmentDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/CompositionOfCertainFinancialStatementCaptionsReceivablesDetails" xlink:href="seic-20121231.xsd#CompositionOfCertainFinancialStatementCaptionsReceivablesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/CompositionOfCertainFinancialStatementCaptionsTables" xlink:href="seic-20121231.xsd#CompositionOfCertainFinancialStatementCaptionsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/ConsolidatedBalanceSheets" xlink:href="seic-20121231.xsd#ConsolidatedBalanceSheets" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:href="seic-20121231.xsd#ConsolidatedBalanceSheetsParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/ConsolidatedStatementsOfCashFlows" xlink:href="seic-20121231.xsd#ConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/ConsolidatedStatementsOfChangesInEquity" xlink:href="seic-20121231.xsd#ConsolidatedStatementsOfChangesInEquity" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/ConsolidatedStatementsOfComprehensiveIncome" xlink:href="seic-20121231.xsd#ConsolidatedStatementsOfComprehensiveIncome" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical" xlink:href="seic-20121231.xsd#ConsolidatedStatementsOfComprehensiveIncomeParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/ConsolidatedStatementsOfOperations" xlink:href="seic-20121231.xsd#ConsolidatedStatementsOfOperations" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/DocumentAndEntityInformation" xlink:href="seic-20121231.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/EmployeeBenefitPlan" xlink:href="seic-20121231.xsd#EmployeeBenefitPlan" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/EmployeeBenefitPlanDetails" xlink:href="seic-20121231.xsd#EmployeeBenefitPlanDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/FairValueMeasurements" xlink:href="seic-20121231.xsd#FairValueMeasurements" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/FairValueMeasurementsFairValueOfCertainFinancialAssetsAndLiabilitiesDetails" xlink:href="seic-20121231.xsd#FairValueMeasurementsFairValueOfCertainFinancialAssetsAndLiabilitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/FairValueMeasurementsNarrativeDetails" xlink:href="seic-20121231.xsd#FairValueMeasurementsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/FairValueMeasurementsReconciliationForAllAssetsAndLiabilitiesOfCompanyMeasuredAtFairValueOnRecurringBasisUsingSignificantUnobservableInputsLevel3Details" xlink:href="seic-20121231.xsd#FairValueMeasurementsReconciliationForAllAssetsAndLiabilitiesOfCompanyMeasuredAtFairValueOnRecurringBasisUsingSignificantUnobservableInputsLevel3Details" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/FairValueMeasurementsTables" xlink:href="seic-20121231.xsd#FairValueMeasurementsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/IncomeTaxes" xlink:href="seic-20121231.xsd#IncomeTaxes" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/IncomeTaxesComponentsOfNetIncomeBeforeIncomeTaxesDetails" xlink:href="seic-20121231.xsd#IncomeTaxesComponentsOfNetIncomeBeforeIncomeTaxesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateDetails" xlink:href="seic-20121231.xsd#IncomeTaxesEffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/IncomeTaxesNarrativeDetails" xlink:href="seic-20121231.xsd#IncomeTaxesNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/IncomeTaxesScheduleOfDeferredTaxAssetsAndLiabilitiesDetails" xlink:href="seic-20121231.xsd#IncomeTaxesScheduleOfDeferredTaxAssetsAndLiabilitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/IncomeTaxesScheduleOfFederalAndStateAndForeignIncomeTaxProvisionDetails" xlink:href="seic-20121231.xsd#IncomeTaxesScheduleOfFederalAndStateAndForeignIncomeTaxProvisionDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/IncomeTaxesTables" xlink:href="seic-20121231.xsd#IncomeTaxesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/IncomeTaxesTaxEffectOfSignificantTemporaryDifferencesRepresentingDeferredTaxLiabilitiesDetails" xlink:href="seic-20121231.xsd#IncomeTaxesTaxEffectOfSignificantTemporaryDifferencesRepresentingDeferredTaxLiabilitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/IncomeTaxesUnrecognizedTaxBenefitDetails" xlink:href="seic-20121231.xsd#IncomeTaxesUnrecognizedTaxBenefitDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/InvestmentInUnconsolidatedAffiliates" xlink:href="seic-20121231.xsd#InvestmentInUnconsolidatedAffiliates" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/InvestmentInUnconsolidatedAffiliatesInvestmentInUnconsolidatedAffiliatesCondensedBalanceSheetsOfLsvDetails" xlink:href="seic-20121231.xsd#InvestmentInUnconsolidatedAffiliatesInvestmentInUnconsolidatedAffiliatesCondensedBalanceSheetsOfLsvDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/InvestmentInUnconsolidatedAffiliatesInvestmentInUnconsolidatedAffiliatesCondensedStatementsOfOperationsOfLsvDetails" xlink:href="seic-20121231.xsd#InvestmentInUnconsolidatedAffiliatesInvestmentInUnconsolidatedAffiliatesCondensedStatementsOfOperationsOfLsvDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/InvestmentInUnconsolidatedAffiliatesInvestmentInUnconsolidatedAffiliatesTables" xlink:href="seic-20121231.xsd#InvestmentInUnconsolidatedAffiliatesInvestmentInUnconsolidatedAffiliatesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/InvestmentInUnconsolidatedAffiliatesNarrativeDetails" xlink:href="seic-20121231.xsd#InvestmentInUnconsolidatedAffiliatesNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/LinesOfCredit" xlink:href="seic-20121231.xsd#LinesOfCredit" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/LinesOfCreditDetails" xlink:href="seic-20121231.xsd#LinesOfCreditDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/MarketableSecurities" xlink:href="seic-20121231.xsd#MarketableSecurities" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/MarketableSecuritiesInvestmentsAvailableForSaleDetails" xlink:href="seic-20121231.xsd#MarketableSecuritiesInvestmentsAvailableForSaleDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/MarketableSecuritiesNarrativeDetails" xlink:href="seic-20121231.xsd#MarketableSecuritiesNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/MarketableSecuritiesTables" xlink:href="seic-20121231.xsd#MarketableSecuritiesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/MarketableSecuritiesTradingSecuritiesDetails" xlink:href="seic-20121231.xsd#MarketableSecuritiesTradingSecuritiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/QuarterlyFinancialData" xlink:href="seic-20121231.xsd#QuarterlyFinancialData" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/QuarterlyFinancialDataSivRelatedGainsLossesDetails" xlink:href="seic-20121231.xsd#QuarterlyFinancialDataSivRelatedGainsLossesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/QuarterlyFinancialDataTables" xlink:href="seic-20121231.xsd#QuarterlyFinancialDataTables" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/RelatedPartyTransactions" xlink:href="seic-20121231.xsd#RelatedPartyTransactions" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/RelatedPartyTransactionsDetails" xlink:href="seic-20121231.xsd#RelatedPartyTransactionsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/SaleOfSeiAssetKorea" xlink:href="seic-20121231.xsd#SaleOfSeiAssetKorea" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/SaleOfSeiAssetKoreaSaleOfSeiAssetKoreaNarrativeDetails" xlink:href="seic-20121231.xsd#SaleOfSeiAssetKoreaSaleOfSeiAssetKoreaNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/ScheduleIiValuationAndQualifyingAccountsAndReserves" xlink:href="seic-20121231.xsd#ScheduleIiValuationAndQualifyingAccountsAndReserves" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/ScheduleIiValuationAndQualifyingAccountsAndReservesDetails" xlink:href="seic-20121231.xsd#ScheduleIiValuationAndQualifyingAccountsAndReservesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/ScheduleIiValuationAndQualifyingAccountsAndReservesValuationAndQualifyingAccountsAndReservesTables" xlink:href="seic-20121231.xsd#ScheduleIiValuationAndQualifyingAccountsAndReservesValuationAndQualifyingAccountsAndReservesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/ShareholdersEquity" xlink:href="seic-20121231.xsd#ShareholdersEquity" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/ShareholdersEquityNarrativeDetails" xlink:href="seic-20121231.xsd#ShareholdersEquityNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/ShareholdersEquityScheduleOfReconciliationOfNoncontrollingInterestOnConsolidatedBalanceSheetDetails" xlink:href="seic-20121231.xsd#ShareholdersEquityScheduleOfReconciliationOfNoncontrollingInterestOnConsolidatedBalanceSheetDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/ShareholdersEquityShareholdersEquityAssumptionsUsedInWeightedAverageFairValueOfStockOptionsGrantedDetails" xlink:href="seic-20121231.xsd#ShareholdersEquityShareholdersEquityAssumptionsUsedInWeightedAverageFairValueOfStockOptionsGrantedDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/ShareholdersEquityShareholdersEquityCommonStockBuybackDetails" xlink:href="seic-20121231.xsd#ShareholdersEquityShareholdersEquityCommonStockBuybackDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/ShareholdersEquityStockBasedCompensationExpenseDetails" xlink:href="seic-20121231.xsd#ShareholdersEquityStockBasedCompensationExpenseDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/ShareholdersEquityStockOptionPlansDetails" xlink:href="seic-20121231.xsd#ShareholdersEquityStockOptionPlansDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/ShareholdersEquityStockOptionsOutstandingAndExercisableDetails" xlink:href="seic-20121231.xsd#ShareholdersEquityStockOptionsOutstandingAndExercisableDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/ShareholdersEquityTables" xlink:href="seic-20121231.xsd#ShareholdersEquityTables" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/SummaryOfSignificantAccountingPolicies" xlink:href="seic-20121231.xsd#SummaryOfSignificantAccountingPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/SummaryOfSignificantAccountingPoliciesCalculationOfBasicAndDilutedEarningsPerShareDetails" xlink:href="seic-20121231.xsd#SummaryOfSignificantAccountingPoliciesCalculationOfBasicAndDilutedEarningsPerShareDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/SummaryOfSignificantAccountingPoliciesNarrativeDetails" xlink:href="seic-20121231.xsd#SummaryOfSignificantAccountingPoliciesNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/SummaryOfSignificantAccountingPoliciesPolicy" xlink:href="seic-20121231.xsd#SummaryOfSignificantAccountingPoliciesPolicy" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:href="seic-20121231.xsd#SummaryOfSignificantAccountingPoliciesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/VariableInterestEntitiesInvestmentProducts" xlink:href="seic-20121231.xsd#VariableInterestEntitiesInvestmentProducts" xlink:type="simple" />
  <roleRef roleURI="http://www.seic.com/role/VariableInterestEntitiesInvestmentProductsDetails" xlink:href="seic-20121231.xsd#VariableInterestEntitiesInvestmentProductsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" xlink:type="simple" />
  <presentationLink xlink:role="http://www.seic.com/role/AccumulatedComprehensiveIncomeLoss" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_81188D9BD539DE6E35FCD56744795E35" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComprehensiveIncomeNoteTextBlock" xlink:label="loc_us-gaap_ComprehensiveIncomeNoteTextBlock_9FBC05B923FEAC09945BD5674479D693" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_81188D9BD539DE6E35FCD56744795E35" xlink:to="loc_us-gaap_ComprehensiveIncomeNoteTextBlock_9FBC05B923FEAC09945BD5674479D693" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/AccumulatedComprehensiveIncomeLossScheduleOfAccumulatedOtherComprehensiveIncomeLossNetOfTaxDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_8D94DD8389409E68828EFE2D3DC9E526" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_66D59FB4174DB8ABA305FE2D3DC9B7A4" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_8D94DD8389409E68828EFE2D3DC9E526" xlink:to="loc_us-gaap_StatementTable_66D59FB4174DB8ABA305FE2D3DC9B7A4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_36F9DF4704358DF83165FE2D3DC98FC1" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_66D59FB4174DB8ABA305FE2D3DC9B7A4" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_36F9DF4704358DF83165FE2D3DC98FC1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_761462C168F623BDE491FE2D3DC9B584" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_36F9DF4704358DF83165FE2D3DC98FC1" xlink:to="loc_us-gaap_EquityComponentDomain_761462C168F623BDE491FE2D3DC9B584" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ParentMember" xlink:label="loc_us-gaap_ParentMember_749C12092C0E84F76D95FE2D3DC984D8" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_761462C168F623BDE491FE2D3DC9B584" xlink:to="loc_us-gaap_ParentMember_749C12092C0E84F76D95FE2D3DC984D8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_us-gaap_NoncontrollingInterestMember_4E2B0DF810EE8E115584FE2D3DC96E31" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_761462C168F623BDE491FE2D3DC9B584" xlink:to="loc_us-gaap_NoncontrollingInterestMember_4E2B0DF810EE8E115584FE2D3DC96E31" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_01E415FD5C1BDB229948FE2D3DC975E8" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_66D59FB4174DB8ABA305FE2D3DC9B7A4" xlink:to="loc_us-gaap_StatementLineItems_01E415FD5C1BDB229948FE2D3DC975E8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_F86B98F910E0265B47D6FE2D3DC90F06" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_01E415FD5C1BDB229948FE2D3DC975E8" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_F86B98F910E0265B47D6FE2D3DC90F06" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_27BD328A7FF8BACA45E2FE2D3DC9FBDE" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_01E415FD5C1BDB229948FE2D3DC975E8" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_27BD328A7FF8BACA45E2FE2D3DC9FBDE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_294068B2805DE27FE6F6FE2D3DC909DE" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_01E415FD5C1BDB229948FE2D3DC975E8" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_294068B2805DE27FE6F6FE2D3DC909DE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_2D017F8646A911C8AD47FE2D3DC99601" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_01E415FD5C1BDB229948FE2D3DC975E8" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_2D017F8646A911C8AD47FE2D3DC99601" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_69CF94378FAC773EF127FE2D3DC9308A" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_01E415FD5C1BDB229948FE2D3DC975E8" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_69CF94378FAC773EF127FE2D3DC9308A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_C3184BAECDB0ADAF6AFAFE2D3DC90428" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_01E415FD5C1BDB229948FE2D3DC975E8" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_C3184BAECDB0ADAF6AFAFE2D3DC90428" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest_3A4FA5B137A0484A5025FE2D3DC9351B" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_01E415FD5C1BDB229948FE2D3DC975E8" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest_3A4FA5B137A0484A5025FE2D3DC9351B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest_79E87D85114D57469878FE2D3DC9D1BC" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_01E415FD5C1BDB229948FE2D3DC975E8" xlink:to="loc_us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest_79E87D85114D57469878FE2D3DC9D1BC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_883FFCCFC34D0F66BBD1FE2D3DC9BF37" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_01E415FD5C1BDB229948FE2D3DC975E8" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_883FFCCFC34D0F66BBD1FE2D3DC9BF37" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_71B0F9FD9D13BFCEB580FE2D3DC948D0" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_01E415FD5C1BDB229948FE2D3DC975E8" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_71B0F9FD9D13BFCEB580FE2D3DC948D0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent_F0BDD513ECDE0DA4E81CFE2D3DC97E9C" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_01E415FD5C1BDB229948FE2D3DC975E8" xlink:to="loc_us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent_F0BDD513ECDE0DA4E81CFE2D3DC97E9C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_C584E7F2152308836C1FFE2D3DC9C249" xlink:type="locator" />
    <presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_01E415FD5C1BDB229948FE2D3DC975E8" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_C584E7F2152308836C1FFE2D3DC9C249" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/AccumulatedComprehensiveIncomeLossTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_FB516DF95C3D0C29A9F4F5974BA73769" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_A6731551C3D21CB01152F5974BA72EE6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_FB516DF95C3D0C29A9F4F5974BA73769" xlink:to="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_A6731551C3D21CB01152F5974BA72EE6" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/BusinessSegmentInformation" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_C8CF199C70F7E13CDC76D567509E26B7" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="loc_us-gaap_SegmentReportingDisclosureTextBlock_DACA86F1913D728F706AD567509E1F24" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_C8CF199C70F7E13CDC76D567509E26B7" xlink:to="loc_us-gaap_SegmentReportingDisclosureTextBlock_DACA86F1913D728F706AD567509E1F24" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/BusinessSegmentInformationBusinessSegmentInformationScheduleOfRevenuesAndAssetsBasedOnLocationDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_5C8B479B48D47030DC26F2F2715EFDAE" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:label="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_040CB5E0E580CF6EAF9BF2F2715E69F0" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_5C8B479B48D47030DC26F2F2715EFDAE" xlink:to="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_040CB5E0E580CF6EAF9BF2F2715E69F0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="loc_us-gaap_StatementGeographicalAxis_D82A1E03D2A122CDF6C7F2F2715EE6DC" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_040CB5E0E580CF6EAF9BF2F2715E69F0" xlink:to="loc_us-gaap_StatementGeographicalAxis_D82A1E03D2A122CDF6C7F2F2715EE6DC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_601A20BD96E09EB58879F2F2715E926F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementGeographicalAxis_D82A1E03D2A122CDF6C7F2F2715EE6DC" xlink:to="loc_us-gaap_SegmentGeographicalDomain_601A20BD96E09EB58879F2F2715E926F" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_UnitedStatesMember" xlink:label="loc_seic_UnitedStatesMember_70B19AB0AAFD523E26CFF2F2715E2EC2" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentGeographicalDomain_601A20BD96E09EB58879F2F2715E926F" xlink:to="loc_seic_UnitedStatesMember_70B19AB0AAFD523E26CFF2F2715E2EC2" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_InternationalOperationsMember" xlink:label="loc_seic_InternationalOperationsMember_BE7B597E5E43A57C2206F2F2715E948D" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentGeographicalDomain_601A20BD96E09EB58879F2F2715E926F" xlink:to="loc_seic_InternationalOperationsMember_BE7B597E5E43A57C2206F2F2715E948D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_D1A0E19BF075C6CD72CCF2F2715E71A1" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_040CB5E0E580CF6EAF9BF2F2715E69F0" xlink:to="loc_us-gaap_StatementLineItems_D1A0E19BF075C6CD72CCF2F2715E71A1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_600AA5F638AE2832A9FDF2F2715E7E87" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_D1A0E19BF075C6CD72CCF2F2715E71A1" xlink:to="loc_us-gaap_Revenues_600AA5F638AE2832A9FDF2F2715E7E87" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_091D29847E15D731EB2DF2F2715E2FD8" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_D1A0E19BF075C6CD72CCF2F2715E71A1" xlink:to="loc_us-gaap_Assets_091D29847E15D731EB2DF2F2715E2FD8" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/BusinessSegmentInformationReconciliationOfTotalOperatingProfitReportedForBusinessSegmentsToIncomeFromOperationsInConsolidatedStatementsOfOperationsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_5BC7B4A6B5B2EB9AB3E4F8D8C1E5AA1B" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_50E9438F5D545B55BE47F8D8C1E5FA0F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_5BC7B4A6B5B2EB9AB3E4F8D8C1E5AA1B" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_50E9438F5D545B55BE47F8D8C1E5FA0F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_F28FC0B692B5EC70BE28F8D8C1E54759" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_50E9438F5D545B55BE47F8D8C1E5FA0F" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_F28FC0B692B5EC70BE28F8D8C1E54759" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_8D9329740F9CAF81731BF8D8C1E522F9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_F28FC0B692B5EC70BE28F8D8C1E54759" xlink:to="loc_us-gaap_SegmentDomain_8D9329740F9CAF81731BF8D8C1E522F9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_D7775FB946DB012B82D0F8D8C1E5059A" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_50E9438F5D545B55BE47F8D8C1E5FA0F" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_D7775FB946DB012B82D0F8D8C1E5059A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_7BE35A7DD9231E95A415F8DCBCAB3107" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_D7775FB946DB012B82D0F8D8C1E5059A" xlink:to="loc_us-gaap_GrossProfit_7BE35A7DD9231E95A415F8DCBCAB3107" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_9153ADEC2F7958E68F5EF8D8C1E56C79" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_D7775FB946DB012B82D0F8D8C1E5059A" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_9153ADEC2F7958E68F5EF8D8C1E56C79" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinorityInterestInNetIncomeLossOtherMinorityInterests" xlink:label="loc_us-gaap_MinorityInterestInNetIncomeLossOtherMinorityInterests_9DDA08620967CE36BC6DF8D8C1E50153" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_D7775FB946DB012B82D0F8D8C1E5059A" xlink:to="loc_us-gaap_MinorityInterestInNetIncomeLossOtherMinorityInterests_9DDA08620967CE36BC6DF8D8C1E50153" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_1592FCD76397817C305BF8D8C1E57AFD" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_D7775FB946DB012B82D0F8D8C1E5059A" xlink:to="loc_us-gaap_OperatingIncomeLoss_1592FCD76397817C305BF8D8C1E57AFD" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/BusinessSegmentInformationScheduleOfAdditionalInformationPertainingToBusinessSegmentsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_DA4C9CBCF7AAE6C7AF904066C735DE3A" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_3C92D71406113C90879D4066C735DC65" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_DA4C9CBCF7AAE6C7AF904066C735DE3A" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_3C92D71406113C90879D4066C735DC65" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_863B670C63191ADFBA3B4066C735FFF7" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_3C92D71406113C90879D4066C735DC65" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_863B670C63191ADFBA3B4066C735FFF7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_6895602F99FFF139F8F24066C735B1A1" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_863B670C63191ADFBA3B4066C735FFF7" xlink:to="loc_us-gaap_SegmentDomain_6895602F99FFF139F8F24066C735B1A1" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_PrivateBankMember" xlink:label="loc_seic_PrivateBankMember_C1FCFD3935A40A9F50784066C735FC44" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_6895602F99FFF139F8F24066C735B1A1" xlink:to="loc_seic_PrivateBankMember_C1FCFD3935A40A9F50784066C735FC44" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_InvestmentAdvisorsMember" xlink:label="loc_seic_InvestmentAdvisorsMember_3F90B916FC1EE1C46E3B4066C73548DC" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_6895602F99FFF139F8F24066C735B1A1" xlink:to="loc_seic_InvestmentAdvisorsMember_3F90B916FC1EE1C46E3B4066C73548DC" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_InstitutionalInvestorsMember" xlink:label="loc_seic_InstitutionalInvestorsMember_58520691A040C448094C4066C735F383" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_6895602F99FFF139F8F24066C735B1A1" xlink:to="loc_seic_InstitutionalInvestorsMember_58520691A040C448094C4066C735F383" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_InvestmentManagersMember" xlink:label="loc_seic_InvestmentManagersMember_95ECCC14E98FC195C4CD4066C7353068" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_6895602F99FFF139F8F24066C735B1A1" xlink:to="loc_seic_InvestmentManagersMember_95ECCC14E98FC195C4CD4066C7353068" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_InvestmentsInNewBusinessesMember" xlink:label="loc_seic_InvestmentsInNewBusinessesMember_3D3482022963A518C9974066C7356A61" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_6895602F99FFF139F8F24066C735B1A1" xlink:to="loc_seic_InvestmentsInNewBusinessesMember_3D3482022963A518C9974066C7356A61" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_TotalFromBusinessSegmentsMember" xlink:label="loc_seic_TotalFromBusinessSegmentsMember_9A512E689FA62D295A164066C735DF32" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_6895602F99FFF139F8F24066C735B1A1" xlink:to="loc_seic_TotalFromBusinessSegmentsMember_9A512E689FA62D295A164066C735DF32" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_CorporateOverheadMember" xlink:label="loc_seic_CorporateOverheadMember_5980776A0684D709E4274066C73533D0" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_6895602F99FFF139F8F24066C735B1A1" xlink:to="loc_seic_CorporateOverheadMember_5980776A0684D709E4274066C73533D0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_384CA5EF24F6680B00564066C73581AD" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_3C92D71406113C90879D4066C735DC65" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_384CA5EF24F6680B00564066C73581AD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:label="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_B28CB16730A07CE62C814066C735F00A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_384CA5EF24F6680B00564066C73581AD" xlink:to="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_B28CB16730A07CE62C814066C735F00A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_6C889F9CD34FBAF8FFF64066C7358DC2" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_384CA5EF24F6680B00564066C73581AD" xlink:to="loc_us-gaap_Depreciation_6C889F9CD34FBAF8FFF64066C7358DC2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentForAmortization" xlink:label="loc_us-gaap_AdjustmentForAmortization_F7E3FC72E353F30A58724066C735546A" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_384CA5EF24F6680B00564066C73581AD" xlink:to="loc_us-gaap_AdjustmentForAmortization_F7E3FC72E353F30A58724066C735546A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_437CF485FC19E50E0612406DAD5146A9" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_384CA5EF24F6680B00564066C73581AD" xlink:to="loc_us-gaap_Assets_437CF485FC19E50E0612406DAD5146A9" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/BusinessSegmentInformationScheduleOfFinancialInformationAboutBusinessSegmentsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_383B32EAB9E3E7F7C2C0F8D714CC6E98" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_ADD1DAAA2AC3161F1E22F8D714DB202A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_383B32EAB9E3E7F7C2C0F8D714CC6E98" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_ADD1DAAA2AC3161F1E22F8D714DB202A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_76B5F55CD2A7BF8E89B6F8D714DB44AA" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_ADD1DAAA2AC3161F1E22F8D714DB202A" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_76B5F55CD2A7BF8E89B6F8D714DB44AA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_2F8D0B8ABB627A592980F8D714DBCB85" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_76B5F55CD2A7BF8E89B6F8D714DB44AA" xlink:to="loc_us-gaap_SegmentDomain_2F8D0B8ABB627A592980F8D714DBCB85" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_PrivateBankMember" xlink:label="loc_seic_PrivateBankMember_BD97891500F1905302D8F8D714DBF03E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_2F8D0B8ABB627A592980F8D714DBCB85" xlink:to="loc_seic_PrivateBankMember_BD97891500F1905302D8F8D714DBF03E" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_InvestmentAdvisorsMember" xlink:label="loc_seic_InvestmentAdvisorsMember_70FA2682348572F8DD63F8D714DBF731" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_2F8D0B8ABB627A592980F8D714DBCB85" xlink:to="loc_seic_InvestmentAdvisorsMember_70FA2682348572F8DD63F8D714DBF731" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_InstitutionalInvestorsMember" xlink:label="loc_seic_InstitutionalInvestorsMember_D45D59F14A0A0B24B160F8D714DB0435" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_2F8D0B8ABB627A592980F8D714DBCB85" xlink:to="loc_seic_InstitutionalInvestorsMember_D45D59F14A0A0B24B160F8D714DB0435" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_InvestmentManagersMember" xlink:label="loc_seic_InvestmentManagersMember_A0C68FBA5E1A6AB6BDE7F8D714DBAA86" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_2F8D0B8ABB627A592980F8D714DBCB85" xlink:to="loc_seic_InvestmentManagersMember_A0C68FBA5E1A6AB6BDE7F8D714DBAA86" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_InvestmentsInNewBusinessesMember" xlink:label="loc_seic_InvestmentsInNewBusinessesMember_E3486335389AFC696D6FF8D714DB52FE" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_2F8D0B8ABB627A592980F8D714DBCB85" xlink:to="loc_seic_InvestmentsInNewBusinessesMember_E3486335389AFC696D6FF8D714DB52FE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_68E4037EE542070C9DF1F8D714DB0AE7" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_ADD1DAAA2AC3161F1E22F8D714DB202A" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_68E4037EE542070C9DF1F8D714DB0AE7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_8F930932D67FAED853B8F8D714DB5579" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_68E4037EE542070C9DF1F8D714DB0AE7" xlink:to="loc_us-gaap_Revenues_8F930932D67FAED853B8F8D714DB5579" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingCostsAndExpenses" xlink:label="loc_us-gaap_OperatingCostsAndExpenses_ED00FA299E7AA5F76632F8D714DBB298" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_68E4037EE542070C9DF1F8D714DB0AE7" xlink:to="loc_us-gaap_OperatingCostsAndExpenses_ED00FA299E7AA5F76632F8D714DBB298" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_3853347099D14C923BB3F8D7EF4E6C91" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_68E4037EE542070C9DF1F8D714DB0AE7" xlink:to="loc_us-gaap_GrossProfit_3853347099D14C923BB3F8D7EF4E6C91" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_SegmentReportingInformationOperatingMarginPercentage" xlink:label="loc_seic_SegmentReportingInformationOperatingMarginPercentage_AD9C42780E0C8D5B3788F8D714DBDF6B" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_68E4037EE542070C9DF1F8D714DB0AE7" xlink:to="loc_seic_SegmentReportingInformationOperatingMarginPercentage_AD9C42780E0C8D5B3788F8D714DBDF6B" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/BusinessSegmentInformationTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_34D096869FAE71EBB19CF5974B590583" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_24BF26A986C63E90C828F5974B5954CF" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_34D096869FAE71EBB19CF5974B590583" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_24BF26A986C63E90C828F5974B5954CF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock" xlink:label="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock_9D9BBF337C9F4CA078F3F5974B59E8B8" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_34D096869FAE71EBB19CF5974B590583" xlink:to="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock_9D9BBF337C9F4CA078F3F5974B59E8B8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ReconciliationOfOtherSignificantReconcilingItemsFromSegmentsToConsolidatedTextBlock" xlink:label="loc_us-gaap_ReconciliationOfOtherSignificantReconcilingItemsFromSegmentsToConsolidatedTextBlock_37CAE4A653826292F6C8F5974B598134" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_34D096869FAE71EBB19CF5974B590583" xlink:to="loc_us-gaap_ReconciliationOfOtherSignificantReconcilingItemsFromSegmentsToConsolidatedTextBlock_37CAE4A653826292F6C8F5974B598134" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock_BE98B71C5E8872333104F5974B598BA9" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_34D096869FAE71EBB19CF5974B590583" xlink:to="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock_BE98B71C5E8872333104F5974B598BA9" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/CommitmentsAndContingencies" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_ACE8AFE1515BA6301633D567459391AB" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_C7DD5E4F9C2F9F9673E9D56745930F5E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_ACE8AFE1515BA6301633D567459391AB" xlink:to="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_C7DD5E4F9C2F9F9673E9D56745930F5E" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/CommitmentsAndContingenciesCommitmentsAndContingenciesNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_D7878904A8BB838EBA1B3ACABF0DDACF" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LeaseAndRentalExpense" xlink:label="loc_us-gaap_LeaseAndRentalExpense_3791D6AC8C5F1E9568223ACDEA178A75" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_D7878904A8BB838EBA1B3ACABF0DDACF" xlink:to="loc_us-gaap_LeaseAndRentalExpense_3791D6AC8C5F1E9568223ACDEA178A75" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/CommitmentsAndContingenciesScheduleOfNoncancellableMinimumCommitmentsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_E4D786EEA9A6482380193FC68F66F5A9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_16243FD773DA0CB4FA663FC68F76EE9D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_E4D786EEA9A6482380193FC68F66F5A9" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_16243FD773DA0CB4FA663FC68F76EE9D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_DC0BC4DBB67D021EE1BC3FC68F76FB40" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_E4D786EEA9A6482380193FC68F66F5A9" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_DC0BC4DBB67D021EE1BC3FC68F76FB40" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_53F2F33523EA5953AFD03FC68F7606F2" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_E4D786EEA9A6482380193FC68F66F5A9" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_53F2F33523EA5953AFD03FC68F7606F2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_6A4608BD6616DF16326B3FC68F762523" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_E4D786EEA9A6482380193FC68F66F5A9" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_6A4608BD6616DF16326B3FC68F762523" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_F16F096D6C80EE8445383FC68F76F505" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_E4D786EEA9A6482380193FC68F66F5A9" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_F16F096D6C80EE8445383FC68F76F505" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_6C39A992C3A0ECDFF75C3FC68F7610CD" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_E4D786EEA9A6482380193FC68F66F5A9" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_6C39A992C3A0ECDFF75C3FC68F7610CD" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/CommitmentsAndContingenciesTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_62EEEBBF5E8A88ADB455F5974B945B46" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_5574B873CB73CFB7B751F5974B9480FA" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_62EEEBBF5E8A88ADB455F5974B945B46" xlink:to="loc_us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_5574B873CB73CFB7B751F5974B9480FA" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/CompositionOfCertainFinancialStatementCaptions" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract" xlink:label="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_92F5EACB528DF872D029D55FF3698BB0" xlink:type="locator" />
    <loc xlink:href="seic-20121231.xsd#seic_DetailsOfCertainBalanceSheetAccountsDisclosureTextBlock" xlink:label="loc_seic_DetailsOfCertainBalanceSheetAccountsDisclosureTextBlock_1CEF35C4518E2B9042FAD55FF3697508" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_92F5EACB528DF872D029D55FF3698BB0" xlink:to="loc_seic_DetailsOfCertainBalanceSheetAccountsDisclosureTextBlock_1CEF35C4518E2B9042FAD55FF3697508" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/CompositionOfCertainFinancialStatementCaptionsAccruedLiabilitiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract" xlink:label="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_E1B0BC4A6A7512063EACBA81AFD2FC72" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccruedSalariesCurrent" xlink:label="loc_us-gaap_AccruedSalariesCurrent_8252B474D7CE2AD767D7BA81AFD2D9D2" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_E1B0BC4A6A7512063EACBA81AFD2FC72" xlink:to="loc_us-gaap_AccruedSalariesCurrent_8252B474D7CE2AD767D7BA81AFD2D9D2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherEmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherEmployeeRelatedLiabilitiesCurrent_2DDCB448576B7C9CFA83BA81AFD2677C" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_E1B0BC4A6A7512063EACBA81AFD2FC72" xlink:to="loc_us-gaap_OtherEmployeeRelatedLiabilitiesCurrent_2DDCB448576B7C9CFA83BA81AFD2677C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccruedProfessionalFeesCurrent" xlink:label="loc_us-gaap_AccruedProfessionalFeesCurrent_98C01921B1D4712F5C26BA81AFD2C123" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_E1B0BC4A6A7512063EACBA81AFD2FC72" xlink:to="loc_us-gaap_AccruedProfessionalFeesCurrent_98C01921B1D4712F5C26BA81AFD2C123" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommissionsPayableToBrokerDealersAndClearingOrganizations" xlink:label="loc_us-gaap_CommissionsPayableToBrokerDealersAndClearingOrganizations_028CCF3C218AF39E46EDBAA5B85BD7CE" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_E1B0BC4A6A7512063EACBA81AFD2FC72" xlink:to="loc_us-gaap_CommissionsPayableToBrokerDealersAndClearingOrganizations_028CCF3C218AF39E46EDBAA5B85BD7CE" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_AccruedSubAdvisoryDistributionAndOtherAssetManagementFees" xlink:label="loc_seic_AccruedSubAdvisoryDistributionAndOtherAssetManagementFees_B73E9D4E855EF8B03D48BA81AFD27D78" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_E1B0BC4A6A7512063EACBA81AFD2FC72" xlink:to="loc_seic_AccruedSubAdvisoryDistributionAndOtherAssetManagementFees_B73E9D4E855EF8B03D48BA81AFD27D78" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccruedIncomeTaxesCurrent" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_F75440D7C28111395CC2BA81AFD25032" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_E1B0BC4A6A7512063EACBA81AFD2FC72" xlink:to="loc_us-gaap_AccruedIncomeTaxesCurrent_F75440D7C28111395CC2BA81AFD25032" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsPayableCurrent" xlink:label="loc_us-gaap_DividendsPayableCurrent_F74576CD7A7C5AEBBD00BA81AFD2F7E6" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_E1B0BC4A6A7512063EACBA81AFD2FC72" xlink:to="loc_us-gaap_DividendsPayableCurrent_F74576CD7A7C5AEBBD00BA81AFD2F7E6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_7DD937CE1750BC4871E1BA81AFD28FC1" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_E1B0BC4A6A7512063EACBA81AFD2FC72" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_7DD937CE1750BC4871E1BA81AFD28FC1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_934CB9E20C301DD39C42BA81AFD2F1D6" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_E1B0BC4A6A7512063EACBA81AFD2FC72" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_934CB9E20C301DD39C42BA81AFD2F1D6" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/CompositionOfCertainFinancialStatementCaptionsCompositionOfCertainFinancialStatementCaptionsOtherAssetsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherAssetsAbstract" xlink:label="loc_us-gaap_OtherAssetsAbstract_604A2AE9B6A03D54A5002ADA1ABC97BD" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherDeferredCostAmortizationExpense" xlink:label="loc_us-gaap_OtherDeferredCostAmortizationExpense_E5422F5B7DB36F4420FC2AE12E1F6355" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherAssetsAbstract_604A2AE9B6A03D54A5002ADA1ABC97BD" xlink:to="loc_us-gaap_OtherDeferredCostAmortizationExpense_E5422F5B7DB36F4420FC2AE12E1F6355" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainLossOnSaleOfOtherAssets" xlink:label="loc_us-gaap_GainLossOnSaleOfOtherAssets_C38A66AACD641C06A6342ADBB3CFD7B6" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherAssetsAbstract_604A2AE9B6A03D54A5002ADA1ABC97BD" xlink:to="loc_us-gaap_GainLossOnSaleOfOtherAssets_C38A66AACD641C06A6342ADBB3CFD7B6" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/CompositionOfCertainFinancialStatementCaptionsPropertyAndEquipmentDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract" xlink:label="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_358CF1B4F3E9482B26E62AC6D7C4E67E" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BuildingsAndImprovementsGross" xlink:label="loc_us-gaap_BuildingsAndImprovementsGross_4A915C2B64BA53CF07FE2AC6D7C4A135" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_358CF1B4F3E9482B26E62AC6D7C4E67E" xlink:to="loc_us-gaap_BuildingsAndImprovementsGross_4A915C2B64BA53CF07FE2AC6D7C4A135" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MachineryAndEquipmentGross" xlink:label="loc_us-gaap_MachineryAndEquipmentGross_1BFE0128911558C29B332AC6D7C40F76" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_358CF1B4F3E9482B26E62AC6D7C4E67E" xlink:to="loc_us-gaap_MachineryAndEquipmentGross_1BFE0128911558C29B332AC6D7C40F76" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Land" xlink:label="loc_us-gaap_Land_5277D2440BF05E15EFAC2AC6D7C48545" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_358CF1B4F3E9482B26E62AC6D7C4E67E" xlink:to="loc_us-gaap_Land_5277D2440BF05E15EFAC2AC6D7C48545" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentOther" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentOther_DCDF14CDF1E59C99E48C2AC6D7C45E67" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_358CF1B4F3E9482B26E62AC6D7C4E67E" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentOther_DCDF14CDF1E59C99E48C2AC6D7C45E67" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FurnitureAndFixturesGross" xlink:label="loc_us-gaap_FurnitureAndFixturesGross_23F2CEBC6A5F68D774CB2AC6D7C4BB1E" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_358CF1B4F3E9482B26E62AC6D7C4E67E" xlink:to="loc_us-gaap_FurnitureAndFixturesGross_23F2CEBC6A5F68D774CB2AC6D7C4BB1E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LeaseholdImprovementsGross" xlink:label="loc_us-gaap_LeaseholdImprovementsGross_61A30811B2E25BCA1D742AC6D7C411A0" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_358CF1B4F3E9482B26E62AC6D7C4E67E" xlink:to="loc_us-gaap_LeaseholdImprovementsGross_61A30811B2E25BCA1D742AC6D7C411A0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConstructionInProgressGross" xlink:label="loc_us-gaap_ConstructionInProgressGross_92917A2647BFA91AF8222AC6D7C4C6D1" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_358CF1B4F3E9482B26E62AC6D7C4E67E" xlink:to="loc_us-gaap_ConstructionInProgressGross_92917A2647BFA91AF8222AC6D7C4C6D1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_856D887887C8DE8C396A2AC6D7C4B68B" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_358CF1B4F3E9482B26E62AC6D7C4E67E" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_856D887887C8DE8C396A2AC6D7C4B68B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_72186D767ADE14DD2FBB2AC6D7C465AB" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_358CF1B4F3E9482B26E62AC6D7C4E67E" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_72186D767ADE14DD2FBB2AC6D7C465AB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_A79C407B99B942E6EC592AC6D7C4BB66" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_358CF1B4F3E9482B26E62AC6D7C4E67E" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_A79C407B99B942E6EC592AC6D7C4BB66" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_9F7968EAF956E7D349C32AC6D7C44835" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_358CF1B4F3E9482B26E62AC6D7C4E67E" xlink:to="loc_us-gaap_Depreciation_9F7968EAF956E7D349C32AC6D7C44835" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/CompositionOfCertainFinancialStatementCaptionsReceivablesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract" xlink:label="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_86B79C0538CB8794AD42BA81AFE11E3E" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BilledContractReceivables" xlink:label="loc_us-gaap_BilledContractReceivables_D6CB2FE2DCEE950AAC9BBA9F9C6F2E74" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_86B79C0538CB8794AD42BA81AFE11E3E" xlink:to="loc_us-gaap_BilledContractReceivables_D6CB2FE2DCEE950AAC9BBA9F9C6F2E74" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnbilledContractsReceivable" xlink:label="loc_us-gaap_UnbilledContractsReceivable_B264F44CE1E9108F400EBAA1AC4051B7" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_86B79C0538CB8794AD42BA81AFE11E3E" xlink:to="loc_us-gaap_UnbilledContractsReceivable_B264F44CE1E9108F400EBAA1AC4051B7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherReceivables" xlink:label="loc_us-gaap_OtherReceivables_95DC865A9DED07571F3CBA81AFE121A8" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_86B79C0538CB8794AD42BA81AFE11E3E" xlink:to="loc_us-gaap_OtherReceivables_95DC865A9DED07571F3CBA81AFE121A8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsReceivableGrossCurrent" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent_7D83C57E23C6656EDEEBBA81AFE1FE73" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_86B79C0538CB8794AD42BA81AFE11E3E" xlink:to="loc_us-gaap_AccountsReceivableGrossCurrent_7D83C57E23C6656EDEEBBA81AFE1FE73" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_FE58DFA09BE583F4733CBA81AFE1E1C3" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_86B79C0538CB8794AD42BA81AFE11E3E" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_FE58DFA09BE583F4733CBA81AFE1E1C3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ReceivablesNetCurrent" xlink:label="loc_us-gaap_ReceivablesNetCurrent_FF45E3AF8E21F9163E04BA81AFE1E293" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_86B79C0538CB8794AD42BA81AFE11E3E" xlink:to="loc_us-gaap_ReceivablesNetCurrent_FF45E3AF8E21F9163E04BA81AFE1E293" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/CompositionOfCertainFinancialStatementCaptionsTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract" xlink:label="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_276218A3C42FC0FB1226F5974C399459" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_6A6E648CF4C3DC9EBCAFF5974C39A446" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_276218A3C42FC0FB1226F5974C399459" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_6A6E648CF4C3DC9EBCAFF5974C39A446" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTextBlock_4A23B0DEDDD547F5C1D7F5974C3996EA" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_276218A3C42FC0FB1226F5974C399459" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTextBlock_4A23B0DEDDD547F5C1D7F5974C3996EA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock_17759C7AB78F79BC5AE8F5974C396EB7" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ItemsIncludedInConsolidatedStatementOfFinancialConditionAbstract_276218A3C42FC0FB1226F5974C399459" xlink:to="loc_us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock_17759C7AB78F79BC5AE8F5974C396EB7" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_81C872A2B8A1740FCDD3F898332E73EB" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_0723D6229B83D46755C9F898332E6D90" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_81C872A2B8A1740FCDD3F898332E73EB" xlink:to="loc_us-gaap_AssetsAbstract_0723D6229B83D46755C9F898332E6D90" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract_33DC1706642FCE701238F898332E377D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_0723D6229B83D46755C9F898332E6D90" xlink:to="loc_us-gaap_AssetsCurrentAbstract_33DC1706642FCE701238F898332E377D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_8FF38E8F9AE0AAC98C3BF898332E52EB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_33DC1706642FCE701238F898332E377D" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_8FF38E8F9AE0AAC98C3BF898332E52EB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_CEF1D9DD2B151E0621F8F898332EB50A" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_33DC1706642FCE701238F898332E377D" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_CEF1D9DD2B151E0621F8F898332EB50A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DueFromOtherRelatedPartiesCurrent" xlink:label="loc_us-gaap_DueFromOtherRelatedPartiesCurrent_9310B9274CF4BEB4C154F898332EB39F" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_33DC1706642FCE701238F898332E377D" xlink:to="loc_us-gaap_DueFromOtherRelatedPartiesCurrent_9310B9274CF4BEB4C154F898332EB39F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ReceivablesNetCurrent" xlink:label="loc_us-gaap_ReceivablesNetCurrent_B40942AB2A68D55C794DF898332E9FE7" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_33DC1706642FCE701238F898332E377D" xlink:to="loc_us-gaap_ReceivablesNetCurrent_B40942AB2A68D55C794DF898332E9FE7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsNetCurrent" xlink:label="loc_us-gaap_DeferredTaxAssetsNetCurrent_2239D31BB8C31C49907AF898332E1615" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_33DC1706642FCE701238F898332E377D" xlink:to="loc_us-gaap_DeferredTaxAssetsNetCurrent_2239D31BB8C31C49907AF898332E1615" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue" xlink:label="loc_us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue_9968520F5140DFE592E1F898332E4443" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_33DC1706642FCE701238F898332E377D" xlink:to="loc_us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue_9968520F5140DFE592E1F898332E4443" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="loc_us-gaap_OtherAssetsCurrent_DFC73F84B7A477927086F898332E5C0B" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_33DC1706642FCE701238F898332E377D" xlink:to="loc_us-gaap_OtherAssetsCurrent_DFC73F84B7A477927086F898332E5C0B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_32CB8387DDB6599B55EAF898332EB117" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_33DC1706642FCE701238F898332E377D" xlink:to="loc_us-gaap_AssetsCurrent_32CB8387DDB6599B55EAF898332EB117" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_1B64008DE22EE4399B2DF898332EB345" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_0723D6229B83D46755C9F898332E6D90" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_1B64008DE22EE4399B2DF898332EB345" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalizedComputerSoftwareNet" xlink:label="loc_us-gaap_CapitalizedComputerSoftwareNet_0A48C03463B4DD74AB7AF898332E5A04" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_0723D6229B83D46755C9F898332E6D90" xlink:to="loc_us-gaap_CapitalizedComputerSoftwareNet_0A48C03463B4DD74AB7AF898332E5A04" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesNoncurrent" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesNoncurrent_95B7A1F9AB3E92B80921F898332EF6E1" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_0723D6229B83D46755C9F898332E6D90" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesNoncurrent_95B7A1F9AB3E92B80921F898332EF6E1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherMarketableSecuritiesNoncurrent" xlink:label="loc_us-gaap_OtherMarketableSecuritiesNoncurrent_ACDFBCDC9C0FD46E964CF898332E6B42" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_0723D6229B83D46755C9F898332E6D90" xlink:to="loc_us-gaap_OtherMarketableSecuritiesNoncurrent_ACDFBCDC9C0FD46E964CF898332E6B42" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:label="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_5BABFE6B4F5C9C6BA066F898332E0AA1" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_0723D6229B83D46755C9F898332E6D90" xlink:to="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_5BABFE6B4F5C9C6BA066F898332E0AA1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_4407DC5F35C4983C796CF898332E78EF" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_0723D6229B83D46755C9F898332E6D90" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_4407DC5F35C4983C796CF898332E78EF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_9E3A20C55DD86AF71C57F898332E1B7D" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_0723D6229B83D46755C9F898332E6D90" xlink:to="loc_us-gaap_Assets_9E3A20C55DD86AF71C57F898332E1B7D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_7CB01309F00A3AEE13B3F898332E08C9" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_81C872A2B8A1740FCDD3F898332E73EB" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_7CB01309F00A3AEE13B3F898332E08C9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_278DF5641DCC92D72170F898332E324A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_7CB01309F00A3AEE13B3F898332E08C9" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_278DF5641DCC92D72170F898332E324A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_5104F8AFEA6B73510FE3F898332E5E81" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_278DF5641DCC92D72170F898332E324A" xlink:to="loc_us-gaap_AccountsPayableCurrent_5104F8AFEA6B73510FE3F898332E5E81" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_6D79B389F28B17FD3BC6F898332ECB38" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_278DF5641DCC92D72170F898332E324A" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_6D79B389F28B17FD3BC6F898332ECB38" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredRevenueCurrent" xlink:label="loc_us-gaap_DeferredRevenueCurrent_B905081275753AC01F41F898332E4440" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_278DF5641DCC92D72170F898332E324A" xlink:to="loc_us-gaap_DeferredRevenueCurrent_B905081275753AC01F41F898332E4440" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_C06A3FDA324C0133E308F898332EB181" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_278DF5641DCC92D72170F898332E324A" xlink:to="loc_us-gaap_LiabilitiesCurrent_C06A3FDA324C0133E308F898332EB181" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_6B54309924A273DB2C08F898332EA6FD" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_7CB01309F00A3AEE13B3F898332E08C9" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_6B54309924A273DB2C08F898332EA6FD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilityForUncertainTaxPositionsNoncurrent" xlink:label="loc_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent_BC84B8DD3F3E8B78B99FF898332EB9AB" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_7CB01309F00A3AEE13B3F898332E08C9" xlink:to="loc_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent_BC84B8DD3F3E8B78B99FF898332EB9AB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_ABE31288DFA783925540F898332E048B" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_7CB01309F00A3AEE13B3F898332E08C9" xlink:to="loc_us-gaap_Liabilities_ABE31288DFA783925540F898332E048B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_F1BD18CE68507190452DF898332E772F" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_7CB01309F00A3AEE13B3F898332E08C9" xlink:to="loc_us-gaap_CommitmentsAndContingencies_F1BD18CE68507190452DF898332E772F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_5B1EF3721AB22CE275CBF898332EC06A" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_7CB01309F00A3AEE13B3F898332E08C9" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_5B1EF3721AB22CE275CBF898332EC06A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_E64E32BB455CD837A2AAF898332E4F87" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_5B1EF3721AB22CE275CBF898332EC06A" xlink:to="loc_us-gaap_StockholdersEquityAbstract_E64E32BB455CD837A2AAF898332E4F87" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_AE3497F7E54FFF3C9706F898332EFD5B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_E64E32BB455CD837A2AAF898332E4F87" xlink:to="loc_us-gaap_PreferredStockValue_AE3497F7E54FFF3C9706F898332EFD5B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_7C2147B53FC30CF32B9CF898332E39DA" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_E64E32BB455CD837A2AAF898332E4F87" xlink:to="loc_us-gaap_CommonStockValue_7C2147B53FC30CF32B9CF898332E39DA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_B31AD8F898BAC4C5CEF2F898332E2C71" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_E64E32BB455CD837A2AAF898332E4F87" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_B31AD8F898BAC4C5CEF2F898332E2C71" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_23D72B59A8233FC462B4F898332E9749" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_E64E32BB455CD837A2AAF898332E4F87" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_23D72B59A8233FC462B4F898332E9749" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_3D0D11187DB35278B2FBF898332EA7E0" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_E64E32BB455CD837A2AAF898332E4F87" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_3D0D11187DB35278B2FBF898332EA7E0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_5312FC9789F75525FFF4F898332E603E" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_E64E32BB455CD837A2AAF898332E4F87" xlink:to="loc_us-gaap_StockholdersEquity_5312FC9789F75525FFF4F898332E603E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_us-gaap_MinorityInterest_A08F6A73EDDD64E0A7AEF898332EB3B4" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_5B1EF3721AB22CE275CBF898332EC06A" xlink:to="loc_us-gaap_MinorityInterest_A08F6A73EDDD64E0A7AEF898332EB3B4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_39AF20F67F17194962EFF898332E11C1" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_5B1EF3721AB22CE275CBF898332EC06A" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_39AF20F67F17194962EFF898332E11C1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_A877C88FAD3081C1430AF898332E0ED0" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_7CB01309F00A3AEE13B3F898332E08C9" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_A877C88FAD3081C1430AF898332E0ED0" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_DEB8DA7EF46F44A32CB0EDE43D68CE22" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract_AFE87A4FACF3B923865DEDE43D680613" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_DEB8DA7EF46F44A32CB0EDE43D68CE22" xlink:to="loc_us-gaap_AssetsCurrentAbstract_AFE87A4FACF3B923865DEDE43D680613" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_F90B3F052F6D4CB83E5EEDE43D6868D7" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_AFE87A4FACF3B923865DEDE43D680613" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_F90B3F052F6D4CB83E5EEDE43D6868D7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_945669CBF44492EE31E9EDE43D681751" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_AFE87A4FACF3B923865DEDE43D680613" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_945669CBF44492EE31E9EDE43D681751" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalizedComputerSoftwareAccumulatedAmortization" xlink:label="loc_us-gaap_CapitalizedComputerSoftwareAccumulatedAmortization_122CC91C115B0306FF78EDE43D68EA1E" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_AFE87A4FACF3B923865DEDE43D680613" xlink:to="loc_us-gaap_CapitalizedComputerSoftwareAccumulatedAmortization_122CC91C115B0306FF78EDE43D68EA1E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_94CC9DFEBC9A76415EB2EDE43D6858D6" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_DEB8DA7EF46F44A32CB0EDE43D68CE22" xlink:to="loc_us-gaap_StockholdersEquityAbstract_94CC9DFEBC9A76415EB2EDE43D6858D6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_AB4B34564801D5EC18C1EDE6F57C998E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_94CC9DFEBC9A76415EB2EDE43D6858D6" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_AB4B34564801D5EC18C1EDE6F57C998E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_0112843BBF9442395187EDE87289446B" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_94CC9DFEBC9A76415EB2EDE43D6858D6" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_0112843BBF9442395187EDE87289446B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_us-gaap_PreferredStockSharesIssued_F595ABF28AD08675C028EDE914DD7C70" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_94CC9DFEBC9A76415EB2EDE43D6858D6" xlink:to="loc_us-gaap_PreferredStockSharesIssued_F595ABF28AD08675C028EDE914DD7C70" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_85E2DF33522C138489D6EDE9B7901666" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_94CC9DFEBC9A76415EB2EDE43D6858D6" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_85E2DF33522C138489D6EDE9B7901666" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_582AD1A32DC12FA28CBDEDE43D689B4C" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_94CC9DFEBC9A76415EB2EDE43D6858D6" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_582AD1A32DC12FA28CBDEDE43D689B4C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_33335ECBD5D0C9B2FF93EDE43D6849B8" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_94CC9DFEBC9A76415EB2EDE43D6858D6" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_33335ECBD5D0C9B2FF93EDE43D6849B8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_957962A6919FB1B1AAEDEDE43D680646" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_94CC9DFEBC9A76415EB2EDE43D6858D6" xlink:to="loc_us-gaap_CommonStockSharesIssued_957962A6919FB1B1AAEDEDE43D680646" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_F7B89A676B433D3297ECEDE43D68F0AF" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_94CC9DFEBC9A76415EB2EDE43D6858D6" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_F7B89A676B433D3297ECEDE43D68F0AF" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/ConsolidatedStatementsOfCashFlows" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_3AA55534F7E88AC6394BF595EAA09217" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_EDBA22B25AC11D3AF2F9F595EAA667D9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_3AA55534F7E88AC6394BF595EAA09217" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_EDBA22B25AC11D3AF2F9F595EAA667D9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_3674AB08095F716F2FEAF595EAA6261A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_EDBA22B25AC11D3AF2F9F595EAA667D9" xlink:to="loc_us-gaap_ProfitLoss_3674AB08095F716F2FEAF595EAA6261A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_9AEBD54667205F194227F595EAA62693" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_EDBA22B25AC11D3AF2F9F595EAA667D9" xlink:to="loc_us-gaap_Depreciation_9AEBD54667205F194227F595EAA62693" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentForAmortization" xlink:label="loc_us-gaap_AdjustmentForAmortization_00C3EF487E63717D0A40F595EAA6067E" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_EDBA22B25AC11D3AF2F9F595EAA667D9" xlink:to="loc_us-gaap_AdjustmentForAmortization_00C3EF487E63717D0A40F595EAA6067E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_3677443D71A7D24937FCF595EAA6B826" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_EDBA22B25AC11D3AF2F9F595EAA667D9" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_3677443D71A7D24937FCF595EAA6B826" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentDividendsOrDistributions" xlink:label="loc_us-gaap_EquityMethodInvestmentDividendsOrDistributions_52C6B3C582EF60AED338F595EAA69A26" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_EDBA22B25AC11D3AF2F9F595EAA667D9" xlink:to="loc_us-gaap_EquityMethodInvestmentDividendsOrDistributions_52C6B3C582EF60AED338F595EAA69A26" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_7E00318A72C5DCF5A1A0F595EAA6743D" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_EDBA22B25AC11D3AF2F9F595EAA667D9" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_7E00318A72C5DCF5A1A0F595EAA6743D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_B8C21D0273B47FF4A300F595EAA66581" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_EDBA22B25AC11D3AF2F9F595EAA667D9" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_B8C21D0273B47FF4A300F595EAA66581" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredIncomeTaxes" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_95F7D626BC17B37FCB84F595EAA68828" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_EDBA22B25AC11D3AF2F9F595EAA667D9" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_95F7D626BC17B37FCB84F595EAA68828" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments" xlink:label="loc_us-gaap_GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments_74362404FBFA4FF22E49F595EAA64329" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_EDBA22B25AC11D3AF2F9F595EAA667D9" xlink:to="loc_us-gaap_GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments_74362404FBFA4FF22E49F595EAA64329" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_FE69504CF0A0DB9172E1F595EAA7FBE6" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_EDBA22B25AC11D3AF2F9F595EAA667D9" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_FE69504CF0A0DB9172E1F595EAA7FBE6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_0CAA4742DECE1292D2D9F595EAA754D1" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_EDBA22B25AC11D3AF2F9F595EAA667D9" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_0CAA4742DECE1292D2D9F595EAA754D1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_E773D63EED1E0D0C6106F595EAACD342" xlink:type="locator" />
    <presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_EDBA22B25AC11D3AF2F9F595EAA667D9" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_E773D63EED1E0D0C6106F595EAACD342" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInRestrictedCashForOperatingActivities" xlink:label="loc_us-gaap_IncreaseDecreaseInRestrictedCashForOperatingActivities_A57FF076D9C80A034E45F595EAACB96B" xlink:type="locator" />
    <presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_EDBA22B25AC11D3AF2F9F595EAA667D9" xlink:to="loc_us-gaap_IncreaseDecreaseInRestrictedCashForOperatingActivities_A57FF076D9C80A034E45F595EAACB96B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOtherReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherReceivables_7A4B2115CFB4ADB0419DF595EAAC1D31" xlink:type="locator" />
    <presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_EDBA22B25AC11D3AF2F9F595EAA667D9" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherReceivables_7A4B2115CFB4ADB0419DF595EAAC1D31" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInReceivables_BB01BAD7489419036959F595EAAC0A13" xlink:type="locator" />
    <presentationArc order="15" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_EDBA22B25AC11D3AF2F9F595EAA667D9" xlink:to="loc_us-gaap_IncreaseDecreaseInReceivables_BB01BAD7489419036959F595EAAC0A13" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOtherCurrentAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_7695DC4CDD8498F699F7F595EAAC071D" xlink:type="locator" />
    <presentationArc order="16" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_EDBA22B25AC11D3AF2F9F595EAA667D9" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_7695DC4CDD8498F699F7F595EAAC071D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_ABEF246F8B1661BCEF5EF595EAACA74F" xlink:type="locator" />
    <presentationArc order="17" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_EDBA22B25AC11D3AF2F9F595EAA667D9" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_ABEF246F8B1661BCEF5EF595EAACA74F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_9F2C9AB52858AC047054F595EAAC7442" xlink:type="locator" />
    <presentationArc order="18" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_EDBA22B25AC11D3AF2F9F595EAA667D9" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_9F2C9AB52858AC047054F595EAAC7442" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_CB2E0B39D160DD4B7DD1F595EAAD1585" xlink:type="locator" />
    <presentationArc order="19" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_EDBA22B25AC11D3AF2F9F595EAA667D9" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_CB2E0B39D160DD4B7DD1F595EAAD1585" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_B397CC4D7A5A169CF7E1F595EAADB225" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_3AA55534F7E88AC6394BF595EAA09217" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_B397CC4D7A5A169CF7E1F595EAADB225" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_9D8F32155A5A18948AB4F595EAADBF29" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_3AA55534F7E88AC6394BF595EAA09217" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_9D8F32155A5A18948AB4F595EAADBF29" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_6D50D82659CDE307F446F595EAAD3DC7" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_3AA55534F7E88AC6394BF595EAA09217" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_6D50D82659CDE307F446F595EAAD3DC7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInRestrictedCash" xlink:label="loc_us-gaap_IncreaseDecreaseInRestrictedCash_7D8AD38B02F8365D3BCFF595EAAD9993" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_6D50D82659CDE307F446F595EAAD3DC7" xlink:to="loc_us-gaap_IncreaseDecreaseInRestrictedCash_7D8AD38B02F8365D3BCFF595EAAD9993" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_3C705591D8E4C8A3708AF595EAB2B689" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_6D50D82659CDE307F446F595EAAD3DC7" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_3C705591D8E4C8A3708AF595EAB2B689" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquireSoftware" xlink:label="loc_us-gaap_PaymentsToAcquireSoftware_44614AE4385C1E55FE61F595EAB2A5FE" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_6D50D82659CDE307F446F595EAAD3DC7" xlink:to="loc_us-gaap_PaymentsToAcquireSoftware_44614AE4385C1E55FE61F595EAB2A5FE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquireMarketableSecurities" xlink:label="loc_us-gaap_PaymentsToAcquireMarketableSecurities_F5B01FD210F45A3CC110F595EAB2F786" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_6D50D82659CDE307F446F595EAAD3DC7" xlink:to="loc_us-gaap_PaymentsToAcquireMarketableSecurities_F5B01FD210F45A3CC110F595EAB2F786" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_69AE51027E8FF7BA71BCF595EAB3443E" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_6D50D82659CDE307F446F595EAAD3DC7" xlink:to="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_69AE51027E8FF7BA71BCF595EAB3443E" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_SaleOfMarketableSecurities" xlink:label="loc_seic_SaleOfMarketableSecurities_051B3175CB4B71D88ED6F595EAB334D7" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_6D50D82659CDE307F446F595EAAD3DC7" xlink:to="loc_seic_SaleOfMarketableSecurities_051B3175CB4B71D88ED6F595EAB334D7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquireOtherInvestments" xlink:label="loc_us-gaap_PaymentsToAcquireOtherInvestments_8480944183082DA2ADCFF595EAB3727F" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_6D50D82659CDE307F446F595EAAD3DC7" xlink:to="loc_us-gaap_PaymentsToAcquireOtherInvestments_8480944183082DA2ADCFF595EAB3727F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments_36508A9AA78191217205F595EAB38E08" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_6D50D82659CDE307F446F595EAAD3DC7" xlink:to="loc_us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments_36508A9AA78191217205F595EAB38E08" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashDivestedFromDeconsolidation" xlink:label="loc_us-gaap_CashDivestedFromDeconsolidation_10E8E24F1B905CBE3B28F595EAB39A12" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_6D50D82659CDE307F446F595EAAD3DC7" xlink:to="loc_us-gaap_CashDivestedFromDeconsolidation_10E8E24F1B905CBE3B28F595EAB39A12" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_C7EA4306D7C71360DC17F595EAB3EB3F" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_6D50D82659CDE307F446F595EAAD3DC7" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_C7EA4306D7C71360DC17F595EAB3EB3F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_CD21EB7771F27E8893CEF595EAB38DBA" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_3AA55534F7E88AC6394BF595EAA09217" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_CD21EB7771F27E8893CEF595EAB38DBA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityDecreaseRepayments" xlink:label="loc_us-gaap_LineOfCreditFacilityDecreaseRepayments_445EA69E980172833444F595EAB3B56E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_CD21EB7771F27E8893CEF595EAB38DBA" xlink:to="loc_us-gaap_LineOfCreditFacilityDecreaseRepayments_445EA69E980172833444F595EAB3B56E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_466A52CCA1C75F3EB5B9F595EAB3A82F" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_CD21EB7771F27E8893CEF595EAB38DBA" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_466A52CCA1C75F3EB5B9F595EAB3A82F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_8686A27E5A37963488AEF595EAB3ECAC" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_CD21EB7771F27E8893CEF595EAB38DBA" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_8686A27E5A37963488AEF595EAB3ECAC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_5761E0CAFDAD358B0FD8F595EAB422AA" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_CD21EB7771F27E8893CEF595EAB38DBA" xlink:to="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_5761E0CAFDAD358B0FD8F595EAB422AA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsOfDividends" xlink:label="loc_us-gaap_PaymentsOfDividends_523910EA39995B38AC2DF595EAB99C35" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_CD21EB7771F27E8893CEF595EAB38DBA" xlink:to="loc_us-gaap_PaymentsOfDividends_523910EA39995B38AC2DF595EAB99C35" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_D911F7F7D08D5F14EF08F595EAB92EB5" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_CD21EB7771F27E8893CEF595EAB38DBA" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_D911F7F7D08D5F14EF08F595EAB92EB5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_8286F9A5D98C0666CA67F595EAB9E2A4" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_3AA55534F7E88AC6394BF595EAA09217" xlink:to="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_8286F9A5D98C0666CA67F595EAB9E2A4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_530AC6C6EDDF5D89676DF595EAB967E5" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_3AA55534F7E88AC6394BF595EAA09217" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_530AC6C6EDDF5D89676DF595EAB967E5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_9D815A16D36CA67162ADF595EAB974CB" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_3AA55534F7E88AC6394BF595EAA09217" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_9D815A16D36CA67162ADF595EAB974CB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestPaid" xlink:label="loc_us-gaap_InterestPaid_9F004A229C406578DD12F595EAB93064" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_3AA55534F7E88AC6394BF595EAA09217" xlink:to="loc_us-gaap_InterestPaid_9F004A229C406578DD12F595EAB93064" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxesPaid" xlink:label="loc_us-gaap_IncomeTaxesPaid_20A0F19BD456F2C1F753F595EAB9D45B" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_3AA55534F7E88AC6394BF595EAA09217" xlink:to="loc_us-gaap_IncomeTaxesPaid_20A0F19BD456F2C1F753F595EAB9D45B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsPayableCurrentAndNoncurrent" xlink:label="loc_us-gaap_DividendsPayableCurrentAndNoncurrent_8FEAEBAC5D225D1FD0C7F595EAB97706" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_3AA55534F7E88AC6394BF595EAA09217" xlink:to="loc_us-gaap_DividendsPayableCurrentAndNoncurrent_8FEAEBAC5D225D1FD0C7F595EAB97706" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/ConsolidatedStatementsOfChangesInEquity" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract_C1FF5BC09FED42655AF4EDEF95A3D72A" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_458381ED67CED5B74E30EDEF95A3303A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfStockholdersEquityAbstract_C1FF5BC09FED42655AF4EDEF95A3D72A" xlink:to="loc_us-gaap_StatementTable_458381ED67CED5B74E30EDEF95A3303A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_65E803CD11276911B198EDEF95A3D6B3" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_458381ED67CED5B74E30EDEF95A3303A" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_65E803CD11276911B198EDEF95A3D6B3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_6B99E8FCF58C76BB74EBEDEF95A35D94" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_65E803CD11276911B198EDEF95A3D6B3" xlink:to="loc_us-gaap_EquityComponentDomain_6B99E8FCF58C76BB74EBEDEF95A35D94" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_BCD1B00F0C18C349ADC0EDEF95A30366" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_6B99E8FCF58C76BB74EBEDEF95A35D94" xlink:to="loc_us-gaap_CommonStockMember_BCD1B00F0C18C349ADC0EDEF95A30366" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_7C4209078009EF1F6B21EDEF95A3F10C" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_6B99E8FCF58C76BB74EBEDEF95A35D94" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_7C4209078009EF1F6B21EDEF95A3F10C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_6696B3CEF6A26AF62C58EDEF95A3AA25" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_6B99E8FCF58C76BB74EBEDEF95A35D94" xlink:to="loc_us-gaap_RetainedEarningsMember_6696B3CEF6A26AF62C58EDEF95A3AA25" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_69CA65B8489139D2315DEDEF95A34950" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_6B99E8FCF58C76BB74EBEDEF95A35D94" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_69CA65B8489139D2315DEDEF95A34950" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ParentMember" xlink:label="loc_us-gaap_ParentMember_E767D6F734D38C7B0081EDEF95A34A82" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_6B99E8FCF58C76BB74EBEDEF95A35D94" xlink:to="loc_us-gaap_ParentMember_E767D6F734D38C7B0081EDEF95A34A82" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_us-gaap_NoncontrollingInterestMember_286AD35DD651F9423D42EDEF95A326D9" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_6B99E8FCF58C76BB74EBEDEF95A35D94" xlink:to="loc_us-gaap_NoncontrollingInterestMember_286AD35DD651F9423D42EDEF95A326D9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_E985140235116FC6B0E9EDEF95A3828B" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_458381ED67CED5B74E30EDEF95A3303A" xlink:to="loc_us-gaap_StatementLineItems_E985140235116FC6B0E9EDEF95A3828B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_B1A0BE2DB41CDB6A341DEDEF95A31BA1" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_E985140235116FC6B0E9EDEF95A3828B" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_B1A0BE2DB41CDB6A341DEDEF95A31BA1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_C4AFC25984DCC1D3B0F3EDEF95A3666B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_B1A0BE2DB41CDB6A341DEDEF95A31BA1" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_C4AFC25984DCC1D3B0F3EDEF95A3666B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_43AD106F58D9D262D5C2EDEF95A3CA1C" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_B1A0BE2DB41CDB6A341DEDEF95A31BA1" xlink:to="loc_us-gaap_CommonStockSharesIssued_43AD106F58D9D262D5C2EDEF95A3CA1C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_B7C2923D71987AB46274EDEF95A3427F" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_B1A0BE2DB41CDB6A341DEDEF95A31BA1" xlink:to="loc_us-gaap_NetIncomeLoss_B7C2923D71987AB46274EDEF95A3427F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodValue" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_EDEE0D80F8F98CAF5FFDEDEF95A334EA" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_B1A0BE2DB41CDB6A341DEDEF95A31BA1" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_EDEE0D80F8F98CAF5FFDEDEF95A334EA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_C802C898146C81395362EDEF95A3AAC8" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_B1A0BE2DB41CDB6A341DEDEF95A31BA1" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_C802C898146C81395362EDEF95A3AAC8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_A44478521DBEB323FD3EEDEF95A3BAB2" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_B1A0BE2DB41CDB6A341DEDEF95A31BA1" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_A44478521DBEB323FD3EEDEF95A3BAB2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_B2A056E9D3B4E805B75BEDEF95A3EF0F" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_B1A0BE2DB41CDB6A341DEDEF95A31BA1" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_B2A056E9D3B4E805B75BEDEF95A3EF0F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_79604D145A2C84277FE8EDEF95A3EE2A" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_B1A0BE2DB41CDB6A341DEDEF95A31BA1" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_79604D145A2C84277FE8EDEF95A3EE2A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_195039D5CA43594C7FA0EDEF95A334C9" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_B1A0BE2DB41CDB6A341DEDEF95A31BA1" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_195039D5CA43594C7FA0EDEF95A334C9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_942DFF02D4A8B10DF77BEDEF95A35E42" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_B1A0BE2DB41CDB6A341DEDEF95A31BA1" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_942DFF02D4A8B10DF77BEDEF95A35E42" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation_450B885F7E4A89E182D1EDEF95A3449A" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_B1A0BE2DB41CDB6A341DEDEF95A31BA1" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation_450B885F7E4A89E182D1EDEF95A3449A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsCommonStock" xlink:label="loc_us-gaap_DividendsCommonStock_9D87B757ACEDF4EBDDF9EDEF95A335CF" xlink:type="locator" />
    <presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_B1A0BE2DB41CDB6A341DEDEF95A31BA1" xlink:to="loc_us-gaap_DividendsCommonStock_9D87B757ACEDF4EBDDF9EDEF95A335CF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_C30205147CBBB157156FEDEF95A3B7EC" xlink:type="locator" />
    <presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_B1A0BE2DB41CDB6A341DEDEF95A31BA1" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_C30205147CBBB157156FEDEF95A3B7EC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_4CB8D9ABBF533D93A708EDEF95A33712" xlink:type="locator" />
    <presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_B1A0BE2DB41CDB6A341DEDEF95A31BA1" xlink:to="loc_us-gaap_StockholdersEquity_4CB8D9ABBF533D93A708EDEF95A33712" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_us-gaap_MinorityInterest_BA1B27831FDEAC4DB64DEDEF95A354C5" xlink:type="locator" />
    <presentationArc order="15" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_B1A0BE2DB41CDB6A341DEDEF95A31BA1" xlink:to="loc_us-gaap_MinorityInterest_BA1B27831FDEAC4DB64DEDEF95A354C5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_BB5EE4D93B0845E127C2EDEF95A3A3E9" xlink:type="locator" />
    <presentationArc order="16" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_B1A0BE2DB41CDB6A341DEDEF95A31BA1" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_BB5EE4D93B0845E127C2EDEF95A3A3E9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_72ADF6BABD201F9848B7EDEF95A3E06F" xlink:type="locator" />
    <presentationArc order="17" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_B1A0BE2DB41CDB6A341DEDEF95A31BA1" xlink:to="loc_us-gaap_CommonStockSharesIssued_72ADF6BABD201F9848B7EDEF95A3E06F" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/ConsolidatedStatementsOfComprehensiveIncome" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_3908E5CEDC58658DC650F803C4E58CD9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_F36292D51C7BA0BD3BBCF803C4E53761" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_3908E5CEDC58658DC650F803C4E58CD9" xlink:to="loc_us-gaap_ProfitLoss_F36292D51C7BA0BD3BBCF803C4E53761" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_8C7FB0B0EB310F629EBFF803C4E5ED28" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_3908E5CEDC58658DC650F803C4E58CD9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_8C7FB0B0EB310F629EBFF803C4E5ED28" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_A1B5F14B09FF23587B0AF803C4E518A3" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_8C7FB0B0EB310F629EBFF803C4E5ED28" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_A1B5F14B09FF23587B0AF803C4E518A3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrealizedGainLossOnInvestmentsAbstract" xlink:label="loc_us-gaap_UnrealizedGainLossOnInvestmentsAbstract_5A95FBA152809D80D898F803C4E59C5A" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_8C7FB0B0EB310F629EBFF803C4E5ED28" xlink:to="loc_us-gaap_UnrealizedGainLossOnInvestmentsAbstract_5A95FBA152809D80D898F803C4E59C5A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_97518F2A784C59EF0A54F803C4E52F6F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_UnrealizedGainLossOnInvestmentsAbstract_5A95FBA152809D80D898F803C4E59C5A" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_97518F2A784C59EF0A54F803C4E52F6F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax_AF43AF0ED6B060083C91F803C4E513C0" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_UnrealizedGainLossOnInvestmentsAbstract_5A95FBA152809D80D898F803C4E59C5A" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax_AF43AF0ED6B060083C91F803C4E513C0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrealizedGainLossOnInvestments" xlink:label="loc_us-gaap_UnrealizedGainLossOnInvestments_00821323A1272B28D2ABF803C4E5BFF6" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_8C7FB0B0EB310F629EBFF803C4E5ED28" xlink:to="loc_us-gaap_UnrealizedGainLossOnInvestments_00821323A1272B28D2ABF803C4E5BFF6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2BD62616CC80841C4853F803C4E59C7A" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_3908E5CEDC58658DC650F803C4E58CD9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2BD62616CC80841C4853F803C4E59C7A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_0B0F8D5E1296AA7F4A74F803C4E5FE79" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_3908E5CEDC58658DC650F803C4E58CD9" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_0B0F8D5E1296AA7F4A74F803C4E5FE79" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_82D12442AFA6A293B5DCF803C4E50C89" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_3908E5CEDC58658DC650F803C4E58CD9" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_82D12442AFA6A293B5DCF803C4E50C89" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_AED75CEDA3354AE84EB9F803C4E59111" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_3908E5CEDC58658DC650F803C4E58CD9" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_AED75CEDA3354AE84EB9F803C4E59111" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_303D3155AAAAECC636091C3E008A0A32" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax_F168A8AA9280407D0C2C1C3E008A64EE" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_303D3155AAAAECC636091C3E008A0A32" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax_F168A8AA9280407D0C2C1C3E008A64EE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax_029870C76B95C864174A1C3E008A782F" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_303D3155AAAAECC636091C3E008A0A32" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax_029870C76B95C864174A1C3E008A782F" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/ConsolidatedStatementsOfOperations" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract_CB7FE5966294958A69CAF53522F2A624" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="loc_us-gaap_RevenuesAbstract_9A50E462F5E5427D70B6F53522F2E972" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_CB7FE5966294958A69CAF53522F2A624" xlink:to="loc_us-gaap_RevenuesAbstract_9A50E462F5E5427D70B6F53522F2E972" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetManagementFees" xlink:label="loc_us-gaap_AssetManagementFees_20686C4552A914B24810F53522F25041" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_9A50E462F5E5427D70B6F53522F2E972" xlink:to="loc_us-gaap_AssetManagementFees_20686C4552A914B24810F53522F25041" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_InformationProcessingAndSoftwareServiceFees" xlink:label="loc_seic_InformationProcessingAndSoftwareServiceFees_B9D5DBB6B74F8D4DC6B6F53522F29581" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_9A50E462F5E5427D70B6F53522F2E972" xlink:to="loc_seic_InformationProcessingAndSoftwareServiceFees_B9D5DBB6B74F8D4DC6B6F53522F29581" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_TransactionBasedAndTradeExecutionFees" xlink:label="loc_seic_TransactionBasedAndTradeExecutionFees_7364BEDBC27F2AF7606AF53522F20B2A" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_9A50E462F5E5427D70B6F53522F2E972" xlink:to="loc_seic_TransactionBasedAndTradeExecutionFees_7364BEDBC27F2AF7606AF53522F20B2A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_C88200756E2F5025248DF53522F30CDA" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_9A50E462F5E5427D70B6F53522F2E972" xlink:to="loc_us-gaap_Revenues_C88200756E2F5025248DF53522F30CDA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CostsAndExpensesAbstract" xlink:label="loc_us-gaap_CostsAndExpensesAbstract_EC4C4D2E6D6EF2691C4CF53522F3991A" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_CB7FE5966294958A69CAF53522F2A624" xlink:to="loc_us-gaap_CostsAndExpensesAbstract_EC4C4D2E6D6EF2691C4CF53522F3991A" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_SubadvisoryDistributionAndOtherAssetManagementCosts" xlink:label="loc_seic_SubadvisoryDistributionAndOtherAssetManagementCosts_0683436F4D278F4E665EF53522F315D9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_EC4C4D2E6D6EF2691C4CF53522F3991A" xlink:to="loc_seic_SubadvisoryDistributionAndOtherAssetManagementCosts_0683436F4D278F4E665EF53522F315D9" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_SoftwareRoyaltiesAndOtherInformationProcessingCosts" xlink:label="loc_seic_SoftwareRoyaltiesAndOtherInformationProcessingCosts_264CE10EDAA8606C763CF53522F39DC2" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_EC4C4D2E6D6EF2691C4CF53522F3991A" xlink:to="loc_seic_SoftwareRoyaltiesAndOtherInformationProcessingCosts_264CE10EDAA8606C763CF53522F39DC2" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_BrokerageCommissions" xlink:label="loc_seic_BrokerageCommissions_871ABF0678C5C8F47A61F53522F36057" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_EC4C4D2E6D6EF2691C4CF53522F3991A" xlink:to="loc_seic_BrokerageCommissions_871ABF0678C5C8F47A61F53522F36057" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_CompensationBenefitsAndOtherPersonnel" xlink:label="loc_seic_CompensationBenefitsAndOtherPersonnel_55F464AE1BFA81B6DFDBF53522F32B20" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_EC4C4D2E6D6EF2691C4CF53522F3991A" xlink:to="loc_seic_CompensationBenefitsAndOtherPersonnel_55F464AE1BFA81B6DFDBF53522F32B20" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_8B45C603214DCE3DA52BF53522F36D3A" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_EC4C4D2E6D6EF2691C4CF53522F3991A" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_8B45C603214DCE3DA52BF53522F36D3A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProfessionalFees" xlink:label="loc_us-gaap_ProfessionalFees_558DBAC9EDB406988A9FF53522F370B9" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_EC4C4D2E6D6EF2691C4CF53522F3991A" xlink:to="loc_us-gaap_ProfessionalFees_558DBAC9EDB406988A9FF53522F370B9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InformationTechnologyAndDataProcessing" xlink:label="loc_us-gaap_InformationTechnologyAndDataProcessing_C6AEFFEAED912C877E93F53522F3A25F" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_EC4C4D2E6D6EF2691C4CF53522F3991A" xlink:to="loc_us-gaap_InformationTechnologyAndDataProcessing_C6AEFFEAED912C877E93F53522F3A25F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OccupancyNet" xlink:label="loc_us-gaap_OccupancyNet_0A5304F0F6F0D0A0E032F53522F3E804" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_EC4C4D2E6D6EF2691C4CF53522F3991A" xlink:to="loc_us-gaap_OccupancyNet_0A5304F0F6F0D0A0E032F53522F3E804" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentForAmortization" xlink:label="loc_us-gaap_AdjustmentForAmortization_CAE8932B3841966C4CB9F53522F44B9B" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_EC4C4D2E6D6EF2691C4CF53522F3991A" xlink:to="loc_us-gaap_AdjustmentForAmortization_CAE8932B3841966C4CB9F53522F44B9B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_069E7D3261430BB7F93DF53522F4D62F" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_EC4C4D2E6D6EF2691C4CF53522F3991A" xlink:to="loc_us-gaap_Depreciation_069E7D3261430BB7F93DF53522F4D62F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_us-gaap_CostsAndExpenses_0F2F175444993026005FF53522F4C5F1" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_EC4C4D2E6D6EF2691C4CF53522F3991A" xlink:to="loc_us-gaap_CostsAndExpenses_0F2F175444993026005FF53522F4C5F1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_274E854379EA492BA217F53522F49110" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_CB7FE5966294958A69CAF53522F2A624" xlink:to="loc_us-gaap_OperatingIncomeLoss_274E854379EA492BA217F53522F49110" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainLossOnInvestments" xlink:label="loc_us-gaap_GainLossOnInvestments_917332AF229F32C0D050F53522F4FE2B" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_CB7FE5966294958A69CAF53522F2A624" xlink:to="loc_us-gaap_GainLossOnInvestments_917332AF229F32C0D050F53522F4FE2B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InvestmentIncomeInterestAndDividend" xlink:label="loc_us-gaap_InvestmentIncomeInterestAndDividend_BD2F45BF23059AD81779F53522F4DE85" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_CB7FE5966294958A69CAF53522F2A624" xlink:to="loc_us-gaap_InvestmentIncomeInterestAndDividend_BD2F45BF23059AD81779F53522F4DE85" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_020110BD39E1FF3558ABF53522F40B76" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_CB7FE5966294958A69CAF53522F2A624" xlink:to="loc_us-gaap_InterestExpense_020110BD39E1FF3558ABF53522F40B76" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherNonoperatingExpense" xlink:label="loc_us-gaap_OtherNonoperatingExpense_F20C512F8440788573AEF53522F4411B" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_CB7FE5966294958A69CAF53522F2A624" xlink:to="loc_us-gaap_OtherNonoperatingExpense_F20C512F8440788573AEF53522F4411B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_81EA2F1C6B2D49C484A0F53522F47CC5" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_CB7FE5966294958A69CAF53522F2A624" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_81EA2F1C6B2D49C484A0F53522F47CC5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_992714D3F066AFFABD3DF53522F46D2F" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_CB7FE5966294958A69CAF53522F2A624" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_992714D3F066AFFABD3DF53522F46D2F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_52CB145D901DF15EF95CF53522F4E00C" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_CB7FE5966294958A69CAF53522F2A624" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_52CB145D901DF15EF95CF53522F4E00C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_2C6E5971FAD5D648E4D2F53522F42D77" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_CB7FE5966294958A69CAF53522F2A624" xlink:to="loc_us-gaap_ProfitLoss_2C6E5971FAD5D648E4D2F53522F42D77" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_EC027CAD171F36E4F202F53522F5CA66" xlink:type="locator" />
    <presentationArc order="12" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_CB7FE5966294958A69CAF53522F2A624" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_EC027CAD171F36E4F202F53522F5CA66" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_03FEFDAD1B395123F0A3F53522F5A16C" xlink:type="locator" />
    <presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_CB7FE5966294958A69CAF53522F2A624" xlink:to="loc_us-gaap_NetIncomeLoss_03FEFDAD1B395123F0A3F53522F5A16C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_6AFEFACC7C6C7CAE6D8EF53522F5C738" xlink:type="locator" />
    <presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_CB7FE5966294958A69CAF53522F2A624" xlink:to="loc_us-gaap_EarningsPerShareBasic_6AFEFACC7C6C7CAE6D8EF53522F5C738" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesIssuedBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesIssuedBasic_5B9414CF29BECEBD70A7F53522F5241C" xlink:type="locator" />
    <presentationArc order="15" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_CB7FE5966294958A69CAF53522F2A624" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesIssuedBasic_5B9414CF29BECEBD70A7F53522F5241C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_D35A9D315C54162F3449F53522F5AA8D" xlink:type="locator" />
    <presentationArc order="16" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_CB7FE5966294958A69CAF53522F2A624" xlink:to="loc_us-gaap_EarningsPerShareDiluted_D35A9D315C54162F3449F53522F5AA8D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_A09C6154A494CFC7CDD4F53522F57D7A" xlink:type="locator" />
    <presentationArc order="17" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_CB7FE5966294958A69CAF53522F2A624" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_A09C6154A494CFC7CDD4F53522F57D7A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_DC71473980A9EB7B0630F53522F55EBD" xlink:type="locator" />
    <presentationArc order="18" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_CB7FE5966294958A69CAF53522F2A624" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_DC71473980A9EB7B0630F53522F55EBD" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/DocumentAndEntityInformation" xlink:type="extended">
    <loc xlink:href="seic-20121231.xsd#seic_DocumentAndEntityInformationAbstract" xlink:label="loc_seic_DocumentAndEntityInformationAbstract_66240A048C2EF667DF19F521F1165287" xlink:type="locator" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentInformationTable" xlink:label="loc_dei_DocumentInformationTable_A3861AE190EED9C97DD8F521F11AC487" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_seic_DocumentAndEntityInformationAbstract_66240A048C2EF667DF19F521F1165287" xlink:to="loc_dei_DocumentInformationTable_A3861AE190EED9C97DD8F521F11AC487" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentInformationDocumentAxis" xlink:label="loc_dei_DocumentInformationDocumentAxis_42D1A27F1635D3DF3419F521F11A2786" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationTable_A3861AE190EED9C97DD8F521F11AC487" xlink:to="loc_dei_DocumentInformationDocumentAxis_42D1A27F1635D3DF3419F521F11A2786" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentDomain" xlink:label="loc_dei_DocumentDomain_BF43B0A9B0FD70A2E51FF521F11A95BD" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationDocumentAxis_42D1A27F1635D3DF3419F521F11A2786" xlink:to="loc_dei_DocumentDomain_BF43B0A9B0FD70A2E51FF521F11A95BD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentInformationLineItems" xlink:label="loc_dei_DocumentInformationLineItems_8BA8D89E32FD99BA9638F521F11AC9BA" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationTable_A3861AE190EED9C97DD8F521F11AC487" xlink:to="loc_dei_DocumentInformationLineItems_8BA8D89E32FD99BA9638F521F11AC9BA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_A89942C9C3664B65974EF521F11AA1F0" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8BA8D89E32FD99BA9638F521F11AC9BA" xlink:to="loc_dei_EntityRegistrantName_A89942C9C3664B65974EF521F11AA1F0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_7098A8D4FCF78BB5A189F521F11B7624" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8BA8D89E32FD99BA9638F521F11AC9BA" xlink:to="loc_dei_EntityCentralIndexKey_7098A8D4FCF78BB5A189F521F11B7624" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_2D4EECB4E890175D2B94F521F11BF1A4" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8BA8D89E32FD99BA9638F521F11AC9BA" xlink:to="loc_dei_CurrentFiscalYearEndDate_2D4EECB4E890175D2B94F521F11BF1A4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_757BEDCFE6112B0A253AF521F11BCF4D" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8BA8D89E32FD99BA9638F521F11AC9BA" xlink:to="loc_dei_EntityFilerCategory_757BEDCFE6112B0A253AF521F11BCF4D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType_8CFBDA4F6846C15D6E87F521F11B7FCB" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8BA8D89E32FD99BA9638F521F11AC9BA" xlink:to="loc_dei_DocumentType_8CFBDA4F6846C15D6E87F521F11B7FCB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_B4583C1D0D5C04C9A766F521F11B28C7" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8BA8D89E32FD99BA9638F521F11AC9BA" xlink:to="loc_dei_DocumentPeriodEndDate_B4583C1D0D5C04C9A766F521F11B28C7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_1317811CBD4F3E721137F521F11B36B0" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8BA8D89E32FD99BA9638F521F11AC9BA" xlink:to="loc_dei_DocumentFiscalYearFocus_1317811CBD4F3E721137F521F11B36B0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus_2CA6D6465EF9B46669ABF521F11BC5DC" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8BA8D89E32FD99BA9638F521F11AC9BA" xlink:to="loc_dei_DocumentFiscalPeriodFocus_2CA6D6465EF9B46669ABF521F11BC5DC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_TradingSymbol" xlink:label="loc_dei_TradingSymbol_24F73E50E54B8F07AE1CF521F11BF7F7" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8BA8D89E32FD99BA9638F521F11AC9BA" xlink:to="loc_dei_TradingSymbol_24F73E50E54B8F07AE1CF521F11BF7F7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_D2B9071CC0707D04849EF521F11B0EEF" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8BA8D89E32FD99BA9638F521F11AC9BA" xlink:to="loc_dei_AmendmentFlag_D2B9071CC0707D04849EF521F11B0EEF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_76DCB2F7A489505A1CD6F521F11B26D0" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8BA8D89E32FD99BA9638F521F11AC9BA" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_76DCB2F7A489505A1CD6F521F11B26D0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityPublicFloat" xlink:label="loc_dei_EntityPublicFloat_DB400C438C328594E4CEF521F11BDF21" xlink:type="locator" />
    <presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8BA8D89E32FD99BA9638F521F11AC9BA" xlink:to="loc_dei_EntityPublicFloat_DB400C438C328594E4CEF521F11BDF21" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer_2B5C2B4DD41E36B972A7F52285D7544A" xlink:type="locator" />
    <presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8BA8D89E32FD99BA9638F521F11AC9BA" xlink:to="loc_dei_EntityWellKnownSeasonedIssuer_2B5C2B4DD41E36B972A7F52285D7544A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="loc_dei_EntityVoluntaryFilers_BCCFF1D5480F4F429027F522F9164FCE" xlink:type="locator" />
    <presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8BA8D89E32FD99BA9638F521F11AC9BA" xlink:to="loc_dei_EntityVoluntaryFilers_BCCFF1D5480F4F429027F522F9164FCE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="loc_dei_EntityCurrentReportingStatus_D59A84E34400577E0994F52395AACD82" xlink:type="locator" />
    <presentationArc order="15" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8BA8D89E32FD99BA9638F521F11AC9BA" xlink:to="loc_dei_EntityCurrentReportingStatus_D59A84E34400577E0994F52395AACD82" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/EmployeeBenefitPlan" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract" xlink:label="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_DF39445115767DF2AFD1D5674F95C418" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_6BB43A8CEE160C66E330D5674F95ED28" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_DF39445115767DF2AFD1D5674F95C418" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_6BB43A8CEE160C66E330D5674F95ED28" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/EmployeeBenefitPlanDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract" xlink:label="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_839789539DA88FFB8F4C3ABC872881DB" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DefinedContributionPlanCostRecognized" xlink:label="loc_us-gaap_DefinedContributionPlanCostRecognized_FF296761C4410AED0BF63ABC87376E34" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_839789539DA88FFB8F4C3ABC872881DB" xlink:to="loc_us-gaap_DefinedContributionPlanCostRecognized_FF296761C4410AED0BF63ABC87376E34" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/FairValueMeasurements" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_683BB7B1C641A23ABDCAD5674CB740BF" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementInputsDisclosureTextBlock" xlink:label="loc_us-gaap_FairValueMeasurementInputsDisclosureTextBlock_A2A637B8731C533CEB3AD5674CB759B4" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_683BB7B1C641A23ABDCAD5674CB740BF" xlink:to="loc_us-gaap_FairValueMeasurementInputsDisclosureTextBlock_A2A637B8731C533CEB3AD5674CB759B4" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/FairValueMeasurementsFairValueOfCertainFinancialAssetsAndLiabilitiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_7D8DC18EAFB7293D94DB255B6A412957" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTable" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_13564AA642883F238332255B6A4196CA" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_7D8DC18EAFB7293D94DB255B6A412957" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_13564AA642883F238332255B6A4196CA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_F77F8B4501626C08015D255B6A412F78" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_13564AA642883F238332255B6A4196CA" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_F77F8B4501626C08015D255B6A412F78" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_73CA867537634E7610C8255B6A417D4A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_F77F8B4501626C08015D255B6A412F78" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_73CA867537634E7610C8255B6A417D4A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_312E7713613E2EE39E62255B6A41EBD3" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_73CA867537634E7610C8255B6A417D4A" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_312E7713613E2EE39E62255B6A41EBD3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_FC131832C9BAC22C1820255B6A4107E4" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_73CA867537634E7610C8255B6A417D4A" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_FC131832C9BAC22C1820255B6A4107E4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_4F2DDBA5C32E8C6930FD255B6A41E28E" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_73CA867537634E7610C8255B6A417D4A" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_4F2DDBA5C32E8C6930FD255B6A41E28E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_ED972413B8FDC7C9475B255B6A4125EE" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_13564AA642883F238332255B6A4196CA" xlink:to="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_ED972413B8FDC7C9475B255B6A4125EE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesEquitySecurities" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesEquitySecurities_56EF14D6E93D1725135D255B6A417259" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_ED972413B8FDC7C9475B255B6A4125EE" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesEquitySecurities_56EF14D6E93D1725135D255B6A417259" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_E30EE3B0F1B006F17440255B6A4194BC" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_ED972413B8FDC7C9475B255B6A4125EE" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_E30EE3B0F1B006F17440255B6A4194BC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue" xlink:label="loc_us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue_B80BB50EE78068EC70AD255B6A41E7F3" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_ED972413B8FDC7C9475B255B6A4125EE" xlink:to="loc_us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue_B80BB50EE78068EC70AD255B6A41E7F3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TradingSecuritiesEquity" xlink:label="loc_us-gaap_TradingSecuritiesEquity_02E508CC3F29F8D1D71C255B6A410A9A" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_ED972413B8FDC7C9475B255B6A4125EE" xlink:to="loc_us-gaap_TradingSecuritiesEquity_02E508CC3F29F8D1D71C255B6A410A9A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_A3C02FF1DA9EC225FDA1255B6A41A0D5" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_ED972413B8FDC7C9475B255B6A4125EE" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_A3C02FF1DA9EC225FDA1255B6A41A0D5" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/FairValueMeasurementsNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_C58036EF9EAF32FA9302835ADF508D8B" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTable" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_8E7E4A29FB13A513BBCF835ADF500F04" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_C58036EF9EAF32FA9302835ADF508D8B" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_8E7E4A29FB13A513BBCF835ADF500F04" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_7298EAFA68CDC44A5EE3836890876261" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_8E7E4A29FB13A513BBCF835ADF500F04" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_7298EAFA68CDC44A5EE3836890876261" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_A13795820F26A55EC9B583689181B37F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_7298EAFA68CDC44A5EE3836890876261" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_A13795820F26A55EC9B583689181B37F" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_GryphonSivMember" xlink:label="loc_seic_GryphonSivMember_0DF34D059580239E01B9836890E43427" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_A13795820F26A55EC9B583689181B37F" xlink:to="loc_seic_GryphonSivMember_0DF34D059580239E01B9836890E43427" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_AD8ECB352B6EB6B3CF74835ADF50DC2F" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_8E7E4A29FB13A513BBCF835ADF500F04" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_AD8ECB352B6EB6B3CF74835ADF50DC2F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_150C7B146F86A4A9034E835ADF50E81D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_AD8ECB352B6EB6B3CF74835ADF50DC2F" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_150C7B146F86A4A9034E835ADF50E81D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_C94FAB8C9E7635DB91BD835ADF5055D4" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_150C7B146F86A4A9034E835ADF50E81D" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_C94FAB8C9E7635DB91BD835ADF5055D4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_61C13C82E0F06D951E96835ADF506CEA" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_8E7E4A29FB13A513BBCF835ADF500F04" xlink:to="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_61C13C82E0F06D951E96835ADF506CEA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TradingSecuritiesRealizedGainLoss" xlink:label="loc_us-gaap_TradingSecuritiesRealizedGainLoss_8D1A2EFE0AD5B6F64E5E83689038300D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_61C13C82E0F06D951E96835ADF506CEA" xlink:to="loc_us-gaap_TradingSecuritiesRealizedGainLoss_8D1A2EFE0AD5B6F64E5E83689038300D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_3ABE54161B750199B898835ADF50D091" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_61C13C82E0F06D951E96835ADF506CEA" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosure_3ABE54161B750199B898835ADF50D091" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet_57566EAEB6D7BD1DDEFF835ADF50F936" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_61C13C82E0F06D951E96835ADF506CEA" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet_57566EAEB6D7BD1DDEFF835ADF50F936" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/FairValueMeasurementsReconciliationForAllAssetsAndLiabilitiesOfCompanyMeasuredAtFairValueOnRecurringBasisUsingSignificantUnobservableInputsLevel3Details" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_484E2589002820374FD1F8825465030F" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_8D69802805C869A7EF72F8825465B10C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_484E2589002820374FD1F8825465030F" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_8D69802805C869A7EF72F8825465B10C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByAssetClassAxis" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_F163BDDDFA9C426001F5F88254656786" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_8D69802805C869A7EF72F8825465B10C" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_F163BDDDFA9C426001F5F88254656786" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_0059B171D7E50030AD1EF88254656982" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_F163BDDDFA9C426001F5F88254656786" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_0059B171D7E50030AD1EF88254656982" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_24EA1AB7E9879D284864F88254654925" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_8D69802805C869A7EF72F8825465B10C" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_24EA1AB7E9879D284864F88254654925" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_1FAF61B61C8A938D4998F8825465CC02" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_24EA1AB7E9879D284864F88254654925" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_1FAF61B61C8A938D4998F8825465CC02" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_4D95757F35C76E5F891DF88254656ADA" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_1FAF61B61C8A938D4998F8825465CC02" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_4D95757F35C76E5F891DF88254656ADA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_418F64FACC88D9AEACF3F88254655FF8" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_1FAF61B61C8A938D4998F8825465CC02" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_418F64FACC88D9AEACF3F88254655FF8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues_1FD9E293D44203F027E4F882546517F5" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_1FAF61B61C8A938D4998F8825465CC02" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues_1FD9E293D44203F027E4F882546517F5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_E414008CF99E4BD6CDD0F8825465F45E" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_1FAF61B61C8A938D4998F8825465CC02" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_E414008CF99E4BD6CDD0F8825465F45E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_4CA5F3B62B4C645BAA87F8825465D2F6" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_1FAF61B61C8A938D4998F8825465CC02" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_4CA5F3B62B4C645BAA87F8825465D2F6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_2C5F36EADAD3BA714049F8825465C383" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_1FAF61B61C8A938D4998F8825465CC02" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_2C5F36EADAD3BA714049F8825465C383" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss_9300F45D709D39CCE6FAF8825465890B" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_1FAF61B61C8A938D4998F8825465CC02" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss_9300F45D709D39CCE6FAF8825465890B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3_6763CD9B06D1CDFDEDB2F8825465B14A" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_1FAF61B61C8A938D4998F8825465CC02" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3_6763CD9B06D1CDFDEDB2F8825465B14A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_4E1855A6D366B4D49226F8825465B2A4" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_1FAF61B61C8A938D4998F8825465CC02" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_4E1855A6D366B4D49226F8825465B2A4" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/FairValueMeasurementsTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_D60CD77623AC03C6E47DF5974C1FDCFF" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_675C0AF7BA7830912BEEF5974C1F41F0" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_D60CD77623AC03C6E47DF5974C1FDCFF" xlink:to="loc_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_675C0AF7BA7830912BEEF5974C1F41F0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsTextBlock" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsTextBlock_AE7640F2B1C52B927CD0F5974C1F93F7" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_D60CD77623AC03C6E47DF5974C1FDCFF" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsTextBlock_AE7640F2B1C52B927CD0F5974C1F93F7" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/IncomeTaxes" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_E151334E201601029529DAA074FB960F" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_FC0B34246E43312FEB34DAA074FB7C3D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_E151334E201601029529DAA074FB960F" xlink:to="loc_us-gaap_IncomeTaxDisclosureTextBlock_FC0B34246E43312FEB34DAA074FB7C3D" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/IncomeTaxesComponentsOfNetIncomeBeforeIncomeTaxesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_503A057DE39C7363EAB8F39B8375BDEF" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_FCE23D81FFEE792EE4F6F39B8375B4F3" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_503A057DE39C7363EAB8F39B8375BDEF" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_FCE23D81FFEE792EE4F6F39B8375B4F3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_FB9DDFBA61E1F4DCBD93F39B8375AD1A" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_503A057DE39C7363EAB8F39B8375BDEF" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_FB9DDFBA61E1F4DCBD93F39B8375AD1A" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_IncomeLossFromContinuingOperationsBeforeIncomeTaxesAndMinorityInterest" xlink:label="loc_seic_IncomeLossFromContinuingOperationsBeforeIncomeTaxesAndMinorityInterest_603EA69770097A1C7E85F45272BA0816" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_503A057DE39C7363EAB8F39B8375BDEF" xlink:to="loc_seic_IncomeLossFromContinuingOperationsBeforeIncomeTaxesAndMinorityInterest_603EA69770097A1C7E85F45272BA0816" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_89D48577777EDFB71379DAA510A82113" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_8C6286B1583409D35D8CDAA510B820AC" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_89D48577777EDFB71379DAA510A82113" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_8C6286B1583409D35D8CDAA510B820AC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_97BDA35B10762E8645C5DAA510B88C3B" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_89D48577777EDFB71379DAA510A82113" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_97BDA35B10762E8645C5DAA510B88C3B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_DC98B3864E0F4DDCB8D4DAA510B8C1A9" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_89D48577777EDFB71379DAA510A82113" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_DC98B3864E0F4DDCB8D4DAA510B8C1A9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_50DFEC91D71998AC399CDAA510B81E9C" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_89D48577777EDFB71379DAA510A82113" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_50DFEC91D71998AC399CDAA510B81E9C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities_8AC6B711CD4E21A94950DAA510B8AA4D" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_89D48577777EDFB71379DAA510A82113" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities_8AC6B711CD4E21A94950DAA510B8AA4D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_7022CA3646BD2922E590DAA510B85BF9" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_89D48577777EDFB71379DAA510A82113" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_7022CA3646BD2922E590DAA510B85BF9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes_75BF3057B80FD30E8BF1DAA510B8012B" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_89D48577777EDFB71379DAA510A82113" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes_75BF3057B80FD30E8BF1DAA510B8012B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies_7F29CBD106B1C7ED559DDAA510B8EBA5" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_89D48577777EDFB71379DAA510A82113" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies_7F29CBD106B1C7ED559DDAA510B8EBA5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_01D066776F563637791ADAA510B80311" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_89D48577777EDFB71379DAA510A82113" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_01D066776F563637791ADAA510B80311" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_B38764AE5E1EE104B248DAA510B82564" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_89D48577777EDFB71379DAA510A82113" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_B38764AE5E1EE104B248DAA510B82564" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingenciesDomestic" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingenciesDomestic_07F2EFA8ECE9A785D2D3DAA510B81920" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_89D48577777EDFB71379DAA510A82113" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingenciesDomestic_07F2EFA8ECE9A785D2D3DAA510B81920" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingenciesStateAndLocal" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingenciesStateAndLocal_4744852AA0651D32C8EBDAA510B8F721" xlink:type="locator" />
    <presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_89D48577777EDFB71379DAA510A82113" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingenciesStateAndLocal_4744852AA0651D32C8EBDAA510B8F721" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingenciesForeign" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingenciesForeign_120B4AD6BB1008FB6259DAA510B82661" xlink:type="locator" />
    <presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_89D48577777EDFB71379DAA510A82113" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingenciesForeign_120B4AD6BB1008FB6259DAA510B82661" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/IncomeTaxesNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_54CA388F6BE0B9C97A13DABEBBDBA4C6" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UndistributedEarningsOfForeignSubsidiaries" xlink:label="loc_us-gaap_UndistributedEarningsOfForeignSubsidiaries_F1766BFF1BB1988E4483DABEBBDB2C44" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_54CA388F6BE0B9C97A13DABEBBDBA4C6" xlink:to="loc_us-gaap_UndistributedEarningsOfForeignSubsidiaries_F1766BFF1BB1988E4483DABEBBDB2C44" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TaxCreditCarryforwardAmount" xlink:label="loc_us-gaap_TaxCreditCarryforwardAmount_6A28E5327FC3698E80C5DABEBBDBFE5E" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_54CA388F6BE0B9C97A13DABEBBDBA4C6" xlink:to="loc_us-gaap_TaxCreditCarryforwardAmount_6A28E5327FC3698E80C5DABEBBDBFE5E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="loc_us-gaap_UnrecognizedTaxBenefits_DA9F49A0FB5BA7474BCDDABEBBDB1D60" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_54CA388F6BE0B9C97A13DABEBBDBA4C6" xlink:to="loc_us-gaap_UnrecognizedTaxBenefits_DA9F49A0FB5BA7474BCDDABEBBDB1D60" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_272EEF03C184BB184A51DABEBBDBEA27" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_54CA388F6BE0B9C97A13DABEBBDBA4C6" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_272EEF03C184BB184A51DABEBBDBEA27" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilityForUncertainTaxPositionsCurrent" xlink:label="loc_us-gaap_LiabilityForUncertainTaxPositionsCurrent_04F12DABF70FD1006A25DABEBBDBB841" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_54CA388F6BE0B9C97A13DABEBBDBA4C6" xlink:to="loc_us-gaap_LiabilityForUncertainTaxPositionsCurrent_04F12DABF70FD1006A25DABEBBDBB841" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilityForUncertainTaxPositionsNoncurrent" xlink:label="loc_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent_0C4EF09351B42CD9A7C9DABEBBDB1C06" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_54CA388F6BE0B9C97A13DABEBBDBA4C6" xlink:to="loc_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent_0C4EF09351B42CD9A7C9DABEBBDB1C06" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_AmountOfPreviouslyUnrecognizedTaxBenefitsRecognized" xlink:label="loc_seic_AmountOfPreviouslyUnrecognizedTaxBenefitsRecognized_4C1D32D979BEC89F0C95DAC0BA9E22A5" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_54CA388F6BE0B9C97A13DABEBBDBA4C6" xlink:to="loc_seic_AmountOfPreviouslyUnrecognizedTaxBenefitsRecognized_4C1D32D979BEC89F0C95DAC0BA9E22A5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense" xlink:label="loc_us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense_F2508A7C9ADEDAF176FFDABEBBDBFBAC" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_54CA388F6BE0B9C97A13DABEBBDBA4C6" xlink:to="loc_us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense_F2508A7C9ADEDAF176FFDABEBBDBFBAC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit" xlink:label="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit_16C1A79D9B5CFE27A03FDABEBBDB3350" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_54CA388F6BE0B9C97A13DABEBBDBA4C6" xlink:to="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit_16C1A79D9B5CFE27A03FDABEBBDB3350" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/IncomeTaxesScheduleOfDeferredTaxAssetsAndLiabilitiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesClassificationAbstract" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesClassificationAbstract_012D59E515D2E36AC1D9DE3A5AE3896C" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsGross" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_0672BC34DC183C4AA60CDE3A5AE354BC" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesClassificationAbstract_012D59E515D2E36AC1D9DE3A5AE3896C" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_0672BC34DC183C4AA60CDE3A5AE354BC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesCurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesCurrent_62658274753F7CE95B2FDE3A5AE3E98B" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesClassificationAbstract_012D59E515D2E36AC1D9DE3A5AE3896C" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesCurrent_62658274753F7CE95B2FDE3A5AE3E98B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent_BA1108F24EBC0C47E297DE3A5AE3D60B" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesClassificationAbstract_012D59E515D2E36AC1D9DE3A5AE3896C" xlink:to="loc_us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent_BA1108F24EBC0C47E297DE3A5AE3D60B" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_DeferredTaxLiabilitiesValuationAllowance" xlink:label="loc_seic_DeferredTaxLiabilitiesValuationAllowance_B03D98F4A30BEBD46C26DE3A5AE34F85" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesClassificationAbstract_012D59E515D2E36AC1D9DE3A5AE3896C" xlink:to="loc_seic_DeferredTaxLiabilitiesValuationAllowance_B03D98F4A30BEBD46C26DE3A5AE34F85" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_CurrentDeferredIncomeTaxes" xlink:label="loc_seic_CurrentDeferredIncomeTaxes_B9344512B6532E8CD464DE3A5AE310A8" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesClassificationAbstract_012D59E515D2E36AC1D9DE3A5AE3896C" xlink:to="loc_seic_CurrentDeferredIncomeTaxes_B9344512B6532E8CD464DE3A5AE310A8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredIncomeTaxesAndOtherAssetsNoncurrent" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndOtherAssetsNoncurrent_05DD5623E2F8F68B768ADE3A5AE3C624" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesClassificationAbstract_012D59E515D2E36AC1D9DE3A5AE3896C" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndOtherAssetsNoncurrent_05DD5623E2F8F68B768ADE3A5AE3C624" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent_4A6E77C1D70DEA90CF0DDE3A5AE341CA" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesClassificationAbstract_012D59E515D2E36AC1D9DE3A5AE3896C" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent_4A6E77C1D70DEA90CF0DDE3A5AE341CA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent_8A2C9DA3D9F0CC17BD74DE3A5AE3AB7F" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesClassificationAbstract_012D59E515D2E36AC1D9DE3A5AE3896C" xlink:to="loc_us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent_8A2C9DA3D9F0CC17BD74DE3A5AE3AB7F" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_LongTermDeferredIncomeTaxesValuationAllowance" xlink:label="loc_seic_LongTermDeferredIncomeTaxesValuationAllowance_03F2B792FFB96EA1AB9FDE3A5AE35C3A" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesClassificationAbstract_012D59E515D2E36AC1D9DE3A5AE3896C" xlink:to="loc_seic_LongTermDeferredIncomeTaxesValuationAllowance_03F2B792FFB96EA1AB9FDE3A5AE35C3A" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_LongTermDeferredIncomeTaxes" xlink:label="loc_seic_LongTermDeferredIncomeTaxes_D14C16657F68801B6718DE3A5AE3638C" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesClassificationAbstract_012D59E515D2E36AC1D9DE3A5AE3896C" xlink:to="loc_seic_LongTermDeferredIncomeTaxes_D14C16657F68801B6718DE3A5AE3638C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_8C7EA1537C96D373A4DEDE3A5AE3764D" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesClassificationAbstract_012D59E515D2E36AC1D9DE3A5AE3896C" xlink:to="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_8C7EA1537C96D373A4DEDE3A5AE3764D" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/IncomeTaxesScheduleOfFederalAndStateAndForeignIncomeTaxProvisionDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxExpenseBenefitAbstract" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefitAbstract_086994ACD3CD8C312C59DAA2747664A7" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_650B02735738383BD803DAA274762582" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefitAbstract_086994ACD3CD8C312C59DAA2747664A7" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_650B02735738383BD803DAA274762582" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_38DD43F4CC503B2D16E8DAA27486C399" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefitAbstract_086994ACD3CD8C312C59DAA2747664A7" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_38DD43F4CC503B2D16E8DAA27486C399" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CurrentForeignTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentForeignTaxExpenseBenefit_0503873F30D15002AF1FDAA27486DF4E" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefitAbstract_086994ACD3CD8C312C59DAA2747664A7" xlink:to="loc_us-gaap_CurrentForeignTaxExpenseBenefit_0503873F30D15002AF1FDAA27486DF4E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_7FDF6EB860E09DF9035CDAA27486F06A" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefitAbstract_086994ACD3CD8C312C59DAA2747664A7" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_7FDF6EB860E09DF9035CDAA27486F06A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_2AC973A0F83D588D502EDAA2748620E3" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefitAbstract_086994ACD3CD8C312C59DAA2747664A7" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_2AC973A0F83D588D502EDAA2748620E3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_AC3F3C0D10C12E7EA600DAA274863194" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefitAbstract_086994ACD3CD8C312C59DAA2747664A7" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_AC3F3C0D10C12E7EA600DAA274863194" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_5E0F6A3BB44896190E75DAA27486C7F2" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefitAbstract_086994ACD3CD8C312C59DAA2747664A7" xlink:to="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_5E0F6A3BB44896190E75DAA27486C7F2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_30B533BE87B3C8AE3E6CDAA274860526" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefitAbstract_086994ACD3CD8C312C59DAA2747664A7" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_30B533BE87B3C8AE3E6CDAA274860526" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_IncomeTaxesAttributableToNoncontrollingInterest" xlink:label="loc_seic_IncomeTaxesAttributableToNoncontrollingInterest_85EE4886A062211FF223DAA274866E3D" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefitAbstract_086994ACD3CD8C312C59DAA2747664A7" xlink:to="loc_seic_IncomeTaxesAttributableToNoncontrollingInterest_85EE4886A062211FF223DAA274866E3D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxExpenseBenefitContinuingOperations" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefitContinuingOperations_06EB182AEB7518A035C1DAA274861357" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefitAbstract_086994ACD3CD8C312C59DAA2747664A7" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefitContinuingOperations_06EB182AEB7518A035C1DAA274861357" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/IncomeTaxesTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_BC020214D7EF14018FA6F5974B87A56E" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_C84393E4F0A4C3C3444EF5974B879ED7" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_BC020214D7EF14018FA6F5974B87A56E" xlink:to="loc_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_C84393E4F0A4C3C3444EF5974B879ED7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_0349DC15001BB16B9D1AF5974B872618" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_BC020214D7EF14018FA6F5974B87A56E" xlink:to="loc_us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_0349DC15001BB16B9D1AF5974B872618" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_E77A9EE9711456070CFEF5974B87A1D4" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_BC020214D7EF14018FA6F5974B87A56E" xlink:to="loc_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_E77A9EE9711456070CFEF5974B87A1D4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_B29EE06A2506E8F6DAAAF5974B872811" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_BC020214D7EF14018FA6F5974B87A56E" xlink:to="loc_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_B29EE06A2506E8F6DAAAF5974B872811" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_ScheduleOfTaxEffectOfTempoararyDifferencesRepresentingNetDeferredTaxAssetOrLiabilityTableTextBlock" xlink:label="loc_seic_ScheduleOfTaxEffectOfTempoararyDifferencesRepresentingNetDeferredTaxAssetOrLiabilityTableTextBlock_6BB60901CB16DDFB060EF5974B886B90" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_BC020214D7EF14018FA6F5974B87A56E" xlink:to="loc_seic_ScheduleOfTaxEffectOfTempoararyDifferencesRepresentingNetDeferredTaxAssetOrLiabilityTableTextBlock_6BB60901CB16DDFB060EF5974B886B90" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_C9720E80FD4FA399E382F5974B88EA0F" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_BC020214D7EF14018FA6F5974B87A56E" xlink:to="loc_us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_C9720E80FD4FA399E382F5974B88EA0F" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/IncomeTaxesTaxEffectOfSignificantTemporaryDifferencesRepresentingDeferredTaxLiabilitiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNetAbstract" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesNetAbstract_0A3ABA2DE8FD3B63F3DAF39B83085A0A" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_FE233F3080FC1778F27AF39B8308200C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesNetAbstract_0A3ABA2DE8FD3B63F3DAF39B83085A0A" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_FE233F3080FC1778F27AF39B8308200C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts_E69CBD7A0B1BAAB6AA1EF39B8308A8AD" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesNetAbstract_0A3ABA2DE8FD3B63F3DAF39B83085A0A" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts_E69CBD7A0B1BAAB6AA1EF39B8308A8AD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesDeferredExpenseCapitalizedSoftware" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesDeferredExpenseCapitalizedSoftware_5A46F1A97461F745CC97F39B830869EE" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesNetAbstract_0A3ABA2DE8FD3B63F3DAF39B83085A0A" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesDeferredExpenseCapitalizedSoftware_5A46F1A97461F745CC97F39B830869EE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsStateTaxes" xlink:label="loc_us-gaap_DeferredTaxAssetsStateTaxes_5A9B820605DAECADAED1F39B8308EDE1" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesNetAbstract_0A3ABA2DE8FD3B63F3DAF39B83085A0A" xlink:to="loc_us-gaap_DeferredTaxAssetsStateTaxes_5A9B820605DAECADAED1F39B8308EDE1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsEquityMethodInvestments" xlink:label="loc_us-gaap_DeferredTaxAssetsEquityMethodInvestments_C44CE3B1C55DA026DDEAF39B83087BFE" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesNetAbstract_0A3ABA2DE8FD3B63F3DAF39B83085A0A" xlink:to="loc_us-gaap_DeferredTaxAssetsEquityMethodInvestments_C44CE3B1C55DA026DDEAF39B83087BFE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities_DAD32A26B96C565DACCFF39B83083647" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesNetAbstract_0A3ABA2DE8FD3B63F3DAF39B83085A0A" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities_DAD32A26B96C565DACCFF39B83083647" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_8680F2355904492D3D43F39B83083DCD" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesNetAbstract_0A3ABA2DE8FD3B63F3DAF39B83085A0A" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_8680F2355904492D3D43F39B83083DCD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal_3690156CB6C776CFB82CF39B8308032A" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesNetAbstract_0A3ABA2DE8FD3B63F3DAF39B83085A0A" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal_3690156CB6C776CFB82CF39B8308032A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_35499B8B08D9ACB8495FF39B83081A28" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesNetAbstract_0A3ABA2DE8FD3B63F3DAF39B83085A0A" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_35499B8B08D9ACB8495FF39B83081A28" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsContingencies" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsContingencies_BE3CBF088BB35B4FB466F39B8308BB60" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesNetAbstract_0A3ABA2DE8FD3B63F3DAF39B83085A0A" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsContingencies_BE3CBF088BB35B4FB466F39B8308BB60" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesOther" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_7D406DFB7EF329201A6DF39B83084F98" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesNetAbstract_0A3ABA2DE8FD3B63F3DAF39B83085A0A" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOther_7D406DFB7EF329201A6DF39B83084F98" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings_32E755A3D2C4C63BF158F39B830848B5" xlink:type="locator" />
    <presentationArc order="12" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesNetAbstract_0A3ABA2DE8FD3B63F3DAF39B83085A0A" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings_32E755A3D2C4C63BF158F39B830848B5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilities" xlink:label="loc_us-gaap_DeferredTaxLiabilities_CF1389F2CFFA40738AF6F39B8308BD1C" xlink:type="locator" />
    <presentationArc order="13" preferredLabel="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesNetAbstract_0A3ABA2DE8FD3B63F3DAF39B83085A0A" xlink:to="loc_us-gaap_DeferredTaxLiabilities_CF1389F2CFFA40738AF6F39B8308BD1C" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/IncomeTaxesUnrecognizedTaxBenefitDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_3C69707DA87BB03AF41EDAAEEE471A36" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="loc_us-gaap_UnrecognizedTaxBenefits_75FA64539359C257F91ADAAEEE47C641" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_3C69707DA87BB03AF41EDAAEEE471A36" xlink:to="loc_us-gaap_UnrecognizedTaxBenefits_75FA64539359C257F91ADAAEEE47C641" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_03ADA9B287F8ED9DD661DAAEEE475EB0" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_3C69707DA87BB03AF41EDAAEEE471A36" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_03ADA9B287F8ED9DD661DAAEEE475EB0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions_225FADB6DD9F86935063DAAEEE475DE9" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_3C69707DA87BB03AF41EDAAEEE471A36" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions_225FADB6DD9F86935063DAAEEE475DE9" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_UnrecognizedTaxBenefitsDecreasesAndIncreasesResultingFromCurrentPeriodTaxPositions" xlink:label="loc_seic_UnrecognizedTaxBenefitsDecreasesAndIncreasesResultingFromCurrentPeriodTaxPositions_6F11BCE19791837D8F26DAAEEE472744" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_3C69707DA87BB03AF41EDAAEEE471A36" xlink:to="loc_seic_UnrecognizedTaxBenefitsDecreasesAndIncreasesResultingFromCurrentPeriodTaxPositions_6F11BCE19791837D8F26DAAEEE472744" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_E99A58C05339A5E10CE5DAAEEE47A236" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_3C69707DA87BB03AF41EDAAEEE471A36" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_E99A58C05339A5E10CE5DAAEEE47A236" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_292F1CF5CA9E897787B9DAAEEE47ADD2" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_3C69707DA87BB03AF41EDAAEEE471A36" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_292F1CF5CA9E897787B9DAAEEE47ADD2" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_TaxPositionsRelatedToPriorYears" xlink:label="loc_seic_TaxPositionsRelatedToPriorYears_1561DFB4E74667BA7CECDAAEEE47571D" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_3C69707DA87BB03AF41EDAAEEE471A36" xlink:to="loc_seic_TaxPositionsRelatedToPriorYears_1561DFB4E74667BA7CECDAAEEE47571D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities_D089A161282156EB4755DAAEEE47211C" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_3C69707DA87BB03AF41EDAAEEE471A36" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities_D089A161282156EB4755DAAEEE47211C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_F15A9D953C7E82540FF5DAAEEE473FA9" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_3C69707DA87BB03AF41EDAAEEE471A36" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_F15A9D953C7E82540FF5DAAEEE473FA9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="loc_us-gaap_UnrecognizedTaxBenefits_D8F34A0430895C7595BFDAAEEE478D4B" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_3C69707DA87BB03AF41EDAAEEE471A36" xlink:to="loc_us-gaap_UnrecognizedTaxBenefits_D8F34A0430895C7595BFDAAEEE478D4B" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/InvestmentInUnconsolidatedAffiliates" xlink:type="extended">
    <loc xlink:href="seic-20121231.xsd#seic_InvestmentInUnconsolidatedAffiliateAbstract" xlink:label="loc_seic_InvestmentInUnconsolidatedAffiliateAbstract_9CFDAFDF057190005FEBB6485A54D4B5" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentsDisclosureTextBlock" xlink:label="loc_us-gaap_EquityMethodInvestmentsDisclosureTextBlock_00B6BCF3F72554A11969B65EB80D4043" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_seic_InvestmentInUnconsolidatedAffiliateAbstract_9CFDAFDF057190005FEBB6485A54D4B5" xlink:to="loc_us-gaap_EquityMethodInvestmentsDisclosureTextBlock_00B6BCF3F72554A11969B65EB80D4043" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/InvestmentInUnconsolidatedAffiliatesInvestmentInUnconsolidatedAffiliatesCondensedBalanceSheetsOfLsvDetails" xlink:type="extended">
    <loc xlink:href="seic-20121231.xsd#seic_CondensedBalanceSheetsOfLsvAbstract" xlink:label="loc_seic_CondensedBalanceSheetsOfLsvAbstract_0B5F8961ECBD7A0B471274A88E9CDA39" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_FE0D2443ED93670D03DA74A88E9DA3C2" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_seic_CondensedBalanceSheetsOfLsvAbstract_0B5F8961ECBD7A0B471274A88E9CDA39" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_FE0D2443ED93670D03DA74A88E9DA3C2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_ED1576637B337E397EAA74A88E9D2133" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_FE0D2443ED93670D03DA74A88E9DA3C2" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_ED1576637B337E397EAA74A88E9D2133" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_E4A8C94D43B5056B841074A88E9D4762" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_ED1576637B337E397EAA74A88E9D2133" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_E4A8C94D43B5056B841074A88E9D4762" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_LSVAssetManagementMember" xlink:label="loc_seic_LSVAssetManagementMember_3C93C07BA52EC023944C74A88E9D0DB7" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_E4A8C94D43B5056B841074A88E9D4762" xlink:to="loc_seic_LSVAssetManagementMember_3C93C07BA52EC023944C74A88E9D0DB7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_6E50008052E54F669E3F74A88E9D5B0C" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_FE0D2443ED93670D03DA74A88E9DA3C2" xlink:to="loc_us-gaap_StatementLineItems_6E50008052E54F669E3F74A88E9D5B0C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets_0A7DAE8DE0B64AD7890974A88E9D2634" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6E50008052E54F669E3F74A88E9D5B0C" xlink:to="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets_0A7DAE8DE0B64AD7890974A88E9D2634" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets_94E3D0AD5A1B387B3BE174A88E9D45DA" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6E50008052E54F669E3F74A88E9D5B0C" xlink:to="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets_94E3D0AD5A1B387B3BE174A88E9D45DA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets_11931123BDBDBB97EF3974A88E9D2986" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6E50008052E54F669E3F74A88E9D5B0C" xlink:to="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets_11931123BDBDBB97EF3974A88E9D2986" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities_DED2B385A19B54E4D15774A88E9D9AFC" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6E50008052E54F669E3F74A88E9D5B0C" xlink:to="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities_DED2B385A19B54E4D15774A88E9D9AFC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquity" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquity_424A40D778C058460CDD74A88E9D9F0A" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6E50008052E54F669E3F74A88E9D5B0C" xlink:to="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquity_424A40D778C058460CDD74A88E9D9F0A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity_EF5BE64970563DD2195474A88E9E749B" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6E50008052E54F669E3F74A88E9D5B0C" xlink:to="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity_EF5BE64970563DD2195474A88E9E749B" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/InvestmentInUnconsolidatedAffiliatesInvestmentInUnconsolidatedAffiliatesCondensedStatementsOfOperationsOfLsvDetails" xlink:type="extended">
    <loc xlink:href="seic-20121231.xsd#seic_InvestmentInUnconsolidatedAffiliatesCondensedStatementsOfOperationsAbstract" xlink:label="loc_seic_InvestmentInUnconsolidatedAffiliatesCondensedStatementsOfOperationsAbstract_0C950915FA9332BB138874A88EA7333D" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_71675C01CDAB78D8416574A88EA7BC2A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_seic_InvestmentInUnconsolidatedAffiliatesCondensedStatementsOfOperationsAbstract_0C950915FA9332BB138874A88EA7333D" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_71675C01CDAB78D8416574A88EA7BC2A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_896E2412F0A9E95E989674A88EA79C46" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_71675C01CDAB78D8416574A88EA7BC2A" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_896E2412F0A9E95E989674A88EA79C46" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_B47E48E06BA9F5692B7674A88EA779D1" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_896E2412F0A9E95E989674A88EA79C46" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_B47E48E06BA9F5692B7674A88EA779D1" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_LSVAssetManagementMember" xlink:label="loc_seic_LSVAssetManagementMember_5C5E33AA97136D88DD7E74A88EA7F493" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_B47E48E06BA9F5692B7674A88EA779D1" xlink:to="loc_seic_LSVAssetManagementMember_5C5E33AA97136D88DD7E74A88EA7F493" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_E390BEF7134BB52AF77074A88EA787A7" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_71675C01CDAB78D8416574A88EA7BC2A" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_E390BEF7134BB52AF77074A88EA787A7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue_3234E099ECC2E4423BF574A88EA752BE" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_E390BEF7134BB52AF77074A88EA787A7" xlink:to="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue_3234E099ECC2E4423BF574A88EA752BE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss_902A96AE714975EE030574A88EA736A7" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_E390BEF7134BB52AF77074A88EA787A7" xlink:to="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss_902A96AE714975EE030574A88EA736A7" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/InvestmentInUnconsolidatedAffiliatesInvestmentInUnconsolidatedAffiliatesTables" xlink:type="extended">
    <loc xlink:href="seic-20121231.xsd#seic_CondensedFinancialStatementsOfLsvAbstract" xlink:label="loc_seic_CondensedFinancialStatementsOfLsvAbstract_F621685E3C774B49D9C8F5974C60E2AE" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfCondensedIncomeStatementTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfCondensedIncomeStatementTableTextBlock_91072693B332D0CED4F0F5974C61416E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_seic_CondensedFinancialStatementsOfLsvAbstract_F621685E3C774B49D9C8F5974C60E2AE" xlink:to="loc_us-gaap_ScheduleOfCondensedIncomeStatementTableTextBlock_91072693B332D0CED4F0F5974C61416E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfCondensedBalanceSheetTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfCondensedBalanceSheetTableTextBlock_F330D93C87EFD8415E7AF5974C616A6D" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_seic_CondensedFinancialStatementsOfLsvAbstract_F621685E3C774B49D9C8F5974C60E2AE" xlink:to="loc_us-gaap_ScheduleOfCondensedBalanceSheetTableTextBlock_F330D93C87EFD8415E7AF5974C616A6D" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/InvestmentInUnconsolidatedAffiliatesNarrativeDetails" xlink:type="extended">
    <loc xlink:href="seic-20121231.xsd#seic_InvestmentInUnconsolidatedAffiliateAbstract" xlink:label="loc_seic_InvestmentInUnconsolidatedAffiliateAbstract_61A0A4F64FF705E0F012F496DF87DFBC" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_AD8D16B058EDED30618FF496DF877B4D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_seic_InvestmentInUnconsolidatedAffiliateAbstract_61A0A4F64FF705E0F012F496DF87DFBC" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_AD8D16B058EDED30618FF496DF877B4D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_EF35239D6C0AB047B0E1F496DF873D12" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_AD8D16B058EDED30618FF496DF877B4D" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_EF35239D6C0AB047B0E1F496DF873D12" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_E2E82B14A634C677DC23F496DF87C1FA" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_EF35239D6C0AB047B0E1F496DF873D12" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_E2E82B14A634C677DC23F496DF87C1FA" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_LSVAssetManagementMember" xlink:label="loc_seic_LSVAssetManagementMember_C1B0ADCB64889543A0EDF496DF87DFA6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_E2E82B14A634C677DC23F496DF87C1FA" xlink:to="loc_seic_LSVAssetManagementMember_C1B0ADCB64889543A0EDF496DF87DFA6" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_GaoFuMember" xlink:label="loc_seic_GaoFuMember_378694167F8673A8D5D7F496DF8700FD" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_E2E82B14A634C677DC23F496DF87C1FA" xlink:to="loc_seic_GaoFuMember_378694167F8673A8D5D7F496DF8700FD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GuaranteeObligationsByNatureAxis" xlink:label="loc_us-gaap_GuaranteeObligationsByNatureAxis_93A53CBE64ED637A5DBFF496DF879BEA" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_AD8D16B058EDED30618FF496DF877B4D" xlink:to="loc_us-gaap_GuaranteeObligationsByNatureAxis_93A53CBE64ED637A5DBFF496DF879BEA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GuaranteeObligationsNatureDomain" xlink:label="loc_us-gaap_GuaranteeObligationsNatureDomain_4927A153A7B3A367C730F496DF875BC2" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsByNatureAxis_93A53CBE64ED637A5DBFF496DF879BEA" xlink:to="loc_us-gaap_GuaranteeObligationsNatureDomain_4927A153A7B3A367C730F496DF875BC2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancialGuaranteeMember" xlink:label="loc_us-gaap_FinancialGuaranteeMember_087CF384E98FEE2C0D0FF496DF8717C2" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_4927A153A7B3A367C730F496DF875BC2" xlink:to="loc_us-gaap_FinancialGuaranteeMember_087CF384E98FEE2C0D0FF496DF8717C2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_56C3DE7452AF9960F7B9F496DF87650D" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_AD8D16B058EDED30618FF496DF877B4D" xlink:to="loc_us-gaap_RangeAxis_56C3DE7452AF9960F7B9F496DF87650D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_5FE66F9D8DE41F93D66CF496DF87B4BB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeAxis_56C3DE7452AF9960F7B9F496DF87650D" xlink:to="loc_us-gaap_RangeMember_5FE66F9D8DE41F93D66CF496DF87B4BB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_0384BED11C1AAD6A8874F496DF878A83" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_5FE66F9D8DE41F93D66CF496DF87B4BB" xlink:to="loc_us-gaap_MaximumMember_0384BED11C1AAD6A8874F496DF878A83" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_A359A01130D7169ECE66F496DF87CA89" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_AD8D16B058EDED30618FF496DF877B4D" xlink:to="loc_dei_LegalEntityAxis_A359A01130D7169ECE66F496DF87CA89" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_6F45715B4A77E72219AFF496DF875705" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_A359A01130D7169ECE66F496DF87CA89" xlink:to="loc_dei_EntityDomain_6F45715B4A77E72219AFF496DF875705" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_LsvEmployeeGroupMemberMember" xlink:label="loc_seic_LsvEmployeeGroupMemberMember_7EF21DCBAF7F85E1C866F496DF87EDB5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6F45715B4A77E72219AFF496DF875705" xlink:to="loc_seic_LsvEmployeeGroupMemberMember_7EF21DCBAF7F85E1C866F496DF87EDB5" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_LsvEmployeeGroupIiMember" xlink:label="loc_seic_LsvEmployeeGroupIiMember_6AFA09A58A532317FA48F496DF871E07" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6F45715B4A77E72219AFF496DF875705" xlink:to="loc_seic_LsvEmployeeGroupIiMember_6AFA09A58A532317FA48F496DF871E07" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_LsvEmployeeGroupIiiMember" xlink:label="loc_seic_LsvEmployeeGroupIiiMember_4EB9784B5B04EE86027DF496DF87B4DC" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6F45715B4A77E72219AFF496DF875705" xlink:to="loc_seic_LsvEmployeeGroupIiiMember_4EB9784B5B04EE86027DF496DF87B4DC" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_LSVAssetManagementMember" xlink:label="loc_seic_LSVAssetManagementMember_A12EA8599CA6658F9178F496DF87CAC3" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6F45715B4A77E72219AFF496DF875705" xlink:to="loc_seic_LSVAssetManagementMember_A12EA8599CA6658F9178F496DF87CAC3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:label="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems_30AAC0934B6759611258F496DF876493" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_AD8D16B058EDED30618FF496DF877B4D" xlink:to="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems_30AAC0934B6759611258F496DF876493" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_BA1732802773F44F2A32F496DF8757E2" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems_30AAC0934B6759611258F496DF876493" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_BA1732802773F44F2A32F496DF8757E2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="loc_us-gaap_EquityMethodInvestments_1FE03024EFD0CFEC4110F496DF878833" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems_30AAC0934B6759611258F496DF876493" xlink:to="loc_us-gaap_EquityMethodInvestments_1FE03024EFD0CFEC4110F496DF878833" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity" xlink:label="loc_us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity_500F5102DD29DE9C5CD1F496DF8769A1" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems_30AAC0934B6759611258F496DF876493" xlink:to="loc_us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity_500F5102DD29DE9C5CD1F496DF8769A1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_F3DEBCF164C4F5EECD87F496DF870AC1" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems_30AAC0934B6759611258F496DF876493" xlink:to="loc_us-gaap_Goodwill_F3DEBCF164C4F5EECD87F496DF870AC1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_97B5EDD29ED2A3994481F496DF87B2C6" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems_30AAC0934B6759611258F496DF876493" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_97B5EDD29ED2A3994481F496DF87B2C6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromContributionsFromAffiliates" xlink:label="loc_us-gaap_ProceedsFromContributionsFromAffiliates_2195CF214124DAF63D07F496DF87F200" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems_30AAC0934B6759611258F496DF876493" xlink:to="loc_us-gaap_ProceedsFromContributionsFromAffiliates_2195CF214124DAF63D07F496DF87F200" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GuaranteeObligationsMaximumExposure" xlink:label="loc_us-gaap_GuaranteeObligationsMaximumExposure_1682D7AAA9E68AE648FAF496DF878EA2" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems_30AAC0934B6759611258F496DF876493" xlink:to="loc_us-gaap_GuaranteeObligationsMaximumExposure_1682D7AAA9E68AE648FAF496DF878EA2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue" xlink:label="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_BC3FFA3109D87CB527DDF496DF874370" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems_30AAC0934B6759611258F496DF876493" xlink:to="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_BC3FFA3109D87CB527DDF496DF874370" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned" xlink:label="loc_us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned_A7667FD32CB893B78694F496DF871197" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems_30AAC0934B6759611258F496DF876493" xlink:to="loc_us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned_A7667FD32CB893B78694F496DF871197" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GuaranteeObligationsTerm" xlink:label="loc_us-gaap_GuaranteeObligationsTerm_4AC7A36B23D730FAE920F496DF8738A9" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems_30AAC0934B6759611258F496DF876493" xlink:to="loc_us-gaap_GuaranteeObligationsTerm_4AC7A36B23D730FAE920F496DF8738A9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentPeriodicPaymentPrincipal" xlink:label="loc_us-gaap_DebtInstrumentPeriodicPaymentPrincipal_86F43C752544E3B15A3DF496DF8744B6" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems_30AAC0934B6759611258F496DF876493" xlink:to="loc_us-gaap_DebtInstrumentPeriodicPaymentPrincipal_86F43C752544E3B15A3DF496DF8744B6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LoansPayable" xlink:label="loc_us-gaap_LoansPayable_53AC8EFBDD7786BACB81F496DF87692E" xlink:type="locator" />
    <presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems_30AAC0934B6759611258F496DF876493" xlink:to="loc_us-gaap_LoansPayable_53AC8EFBDD7786BACB81F496DF87692E" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/LinesOfCredit" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityAbstract" xlink:label="loc_us-gaap_LineOfCreditFacilityAbstract_2426E56D5E11525E700CD56747D5AB1E" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfLineOfCreditFacilitiesTextBlock" xlink:label="loc_us-gaap_ScheduleOfLineOfCreditFacilitiesTextBlock_0F5D9388D121957078FBD56747D5C7B5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityAbstract_2426E56D5E11525E700CD56747D5AB1E" xlink:to="loc_us-gaap_ScheduleOfLineOfCreditFacilitiesTextBlock_0F5D9388D121957078FBD56747D5C7B5" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/LinesOfCreditDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityAbstract" xlink:label="loc_us-gaap_LineOfCreditFacilityAbstract_191F28889871F8770E3F74A88E2A2D02" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_946A81212722C529F66774A88E2AD04E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityAbstract_191F28889871F8770E3F74A88E2A2D02" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_946A81212722C529F66774A88E2AD04E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_58D75C324D2D40885C5C74A88E2ADFEA" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_946A81212722C529F66774A88E2AD04E" xlink:to="loc_us-gaap_CreditFacilityAxis_58D75C324D2D40885C5C74A88E2ADFEA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_26DD914047734A711B3E74A88E2A59C2" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityAxis_58D75C324D2D40885C5C74A88E2ADFEA" xlink:to="loc_us-gaap_CreditFacilityDomain_26DD914047734A711B3E74A88E2A59C2" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_TwoThousandTwelveCreditFacilityMember" xlink:label="loc_seic_TwoThousandTwelveCreditFacilityMember_366C77FEAD2F13DEE76674A88E2A4EC0" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_26DD914047734A711B3E74A88E2A59C2" xlink:to="loc_seic_TwoThousandTwelveCreditFacilityMember_366C77FEAD2F13DEE76674A88E2A4EC0" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_TwoThousandSevenCreditFacilityMemberMember" xlink:label="loc_seic_TwoThousandSevenCreditFacilityMemberMember_3ABFD8509E29E4CF491C74A88E2AAF06" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_26DD914047734A711B3E74A88E2A59C2" xlink:to="loc_seic_TwoThousandSevenCreditFacilityMemberMember_3ABFD8509E29E4CF491C74A88E2AAF06" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_CanadianSubsidiaryMember" xlink:label="loc_seic_CanadianSubsidiaryMember_C170BED81902C3983BDD74A88E2A5826" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_26DD914047734A711B3E74A88E2A59C2" xlink:to="loc_seic_CanadianSubsidiaryMember_C170BED81902C3983BDD74A88E2A5826" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_842E57DE3A6FE8EC392674A88E2B5789" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_946A81212722C529F66774A88E2AD04E" xlink:to="loc_us-gaap_LineOfCreditFacilityLineItems_842E57DE3A6FE8EC392674A88E2B5789" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityDescription" xlink:label="loc_us-gaap_LineOfCreditFacilityDescription_77AAA5F731C89F06689874A88E2B0837" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_842E57DE3A6FE8EC392674A88E2B5789" xlink:to="loc_us-gaap_LineOfCreditFacilityDescription_77AAA5F731C89F06689874A88E2B0837" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_7579A62B770D5F12B19674A88E2B09FD" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_842E57DE3A6FE8EC392674A88E2B5789" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_7579A62B770D5F12B19674A88E2B09FD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationDate1" xlink:label="loc_us-gaap_LineOfCreditFacilityExpirationDate1_6B22BD72DE9B477B5CF574A88E2B900B" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_842E57DE3A6FE8EC392674A88E2B5789" xlink:to="loc_us-gaap_LineOfCreditFacilityExpirationDate1_6B22BD72DE9B477B5CF574A88E2B900B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate_F9550F9412B3F740217674A88E2BF59F" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_842E57DE3A6FE8EC392674A88E2B5789" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate_F9550F9412B3F740217674A88E2BF59F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_379CA99B83223A61086C74A88E2BB47A" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_842E57DE3A6FE8EC392674A88E2B5789" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_379CA99B83223A61086C74A88E2BB47A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:label="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_A8043DC762182653EF2D74A88E2BF7C5" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_842E57DE3A6FE8EC392674A88E2B5789" xlink:to="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_A8043DC762182653EF2D74A88E2BF7C5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityIncreaseDecreaseOtherNet" xlink:label="loc_us-gaap_LineOfCreditFacilityIncreaseDecreaseOtherNet_B0FC35A76A20AEBA420B74A88E2B1FF0" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_842E57DE3A6FE8EC392674A88E2B5789" xlink:to="loc_us-gaap_LineOfCreditFacilityIncreaseDecreaseOtherNet_B0FC35A76A20AEBA420B74A88E2B1FF0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityAmountOutstanding" xlink:label="loc_us-gaap_LineOfCreditFacilityAmountOutstanding_0B4639F826F265CB1B4974A88E2BABAC" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_842E57DE3A6FE8EC392674A88E2B5789" xlink:to="loc_us-gaap_LineOfCreditFacilityAmountOutstanding_0B4639F826F265CB1B4974A88E2BABAC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityDecreaseRepayments" xlink:label="loc_us-gaap_LineOfCreditFacilityDecreaseRepayments_29DDDCDE3204EA95D03074A88E2BA315" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_842E57DE3A6FE8EC392674A88E2B5789" xlink:to="loc_us-gaap_LineOfCreditFacilityDecreaseRepayments_29DDDCDE3204EA95D03074A88E2BA315" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateDuringPeriod" xlink:label="loc_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_053A02307E5A891933B574A88E2B23E4" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_842E57DE3A6FE8EC392674A88E2B5789" xlink:to="loc_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_053A02307E5A891933B574A88E2B23E4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_442ABD414D5F7E906BFE74A88E2B2DF1" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_842E57DE3A6FE8EC392674A88E2B5789" xlink:to="loc_us-gaap_InterestExpense_442ABD414D5F7E906BFE74A88E2B2DF1" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/MarketableSecurities" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MarketableSecuritiesAbstract" xlink:label="loc_us-gaap_MarketableSecuritiesAbstract_29A4816F95D2170C4CE6D53A5C1327ED" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MarketableSecuritiesTextBlock" xlink:label="loc_us-gaap_MarketableSecuritiesTextBlock_939B3B85626DDA31E0E3D53A5C137934" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MarketableSecuritiesAbstract_29A4816F95D2170C4CE6D53A5C1327ED" xlink:to="loc_us-gaap_MarketableSecuritiesTextBlock_939B3B85626DDA31E0E3D53A5C137934" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/MarketableSecuritiesInvestmentsAvailableForSaleDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MarketableSecuritiesAbstract" xlink:label="loc_us-gaap_MarketableSecuritiesAbstract_A93C36AEECE689B5ACF7217B3439EA5F" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_5FEDA5D716E1E8029518217B343987E3" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MarketableSecuritiesAbstract_A93C36AEECE689B5ACF7217B3439EA5F" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_5FEDA5D716E1E8029518217B343987E3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_D604CCCC6B5166768F04217B34390A9B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_5FEDA5D716E1E8029518217B343987E3" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_D604CCCC6B5166768F04217B34390A9B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_D54279BB507573ABA9B0217B3439E848" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_D604CCCC6B5166768F04217B34390A9B" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_D54279BB507573ABA9B0217B3439E848" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_SeiSponsoredMutualFundsMember" xlink:label="loc_seic_SeiSponsoredMutualFundsMember_3F117D02A1C4A4900A88217B3439BD28" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_D54279BB507573ABA9B0217B3439E848" xlink:to="loc_seic_SeiSponsoredMutualFundsMember_3F117D02A1C4A4900A88217B3439BD28" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityFundsMember" xlink:label="loc_us-gaap_EquityFundsMember_A9DBDD7B91F2EB010430217B3439281E" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_D54279BB507573ABA9B0217B3439E848" xlink:to="loc_us-gaap_EquityFundsMember_A9DBDD7B91F2EB010430217B3439281E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtSecuritiesMember" xlink:label="loc_us-gaap_DebtSecuritiesMember_8670DBB8F6F6F92589FB217B3439CB52" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_D54279BB507573ABA9B0217B3439E848" xlink:to="loc_us-gaap_DebtSecuritiesMember_8670DBB8F6F6F92589FB217B3439CB52" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_287ACF7DC4588F576266217B3439542C" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_5FEDA5D716E1E8029518217B343987E3" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_287ACF7DC4588F576266217B3439542C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAmortizedCost" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesAmortizedCost_43C5D2CA192387AA75BD217B3439E6E2" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_287ACF7DC4588F576266217B3439542C" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesAmortizedCost_43C5D2CA192387AA75BD217B3439E6E2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableforsaleSecuritiesGrossUnrealizedGain" xlink:label="loc_us-gaap_AvailableforsaleSecuritiesGrossUnrealizedGain_455F4AE6D4DF31951307217B3439AC92" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_287ACF7DC4588F576266217B3439542C" xlink:to="loc_us-gaap_AvailableforsaleSecuritiesGrossUnrealizedGain_455F4AE6D4DF31951307217B3439AC92" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLosses1" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLosses1_A5D6DC2DED050342AE22217B3439C9F7" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_287ACF7DC4588F576266217B3439542C" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLosses1_A5D6DC2DED050342AE22217B3439C9F7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesNoncurrent" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesNoncurrent_0C8917558508186A3936217B3439DBC9" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_287ACF7DC4588F576266217B3439542C" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesNoncurrent_0C8917558508186A3936217B3439DBC9" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/MarketableSecuritiesNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MarketableSecuritiesAbstract" xlink:label="loc_us-gaap_MarketableSecuritiesAbstract_77093E2558B59EF97ADCF39167A24810" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfInvestmentsTable_D00305E46087C32F59F3F39167A2698B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MarketableSecuritiesAbstract_77093E2558B59EF97ADCF39167A24810" xlink:to="loc_us-gaap_ScheduleOfInvestmentsTable_D00305E46087C32F59F3F39167A2698B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_547F4881E741358038DDF39167A27945" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfInvestmentsTable_D00305E46087C32F59F3F39167A2698B" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_547F4881E741358038DDF39167A27945" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_2B271C09BFE96EE404AAF39167A29A3D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_547F4881E741358038DDF39167A27945" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_2B271C09BFE96EE404AAF39167A29A3D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:label="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_03B0D451835B3E028C60F39167A20783" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_2B271C09BFE96EE404AAF39167A29A3D" xlink:to="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_03B0D451835B3E028C60F39167A20783" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SecuritiesAssetsMember" xlink:label="loc_us-gaap_SecuritiesAssetsMember_E40CCD14B95B6F62EAA5F39167A2C2CB" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_2B271C09BFE96EE404AAF39167A29A3D" xlink:to="loc_us-gaap_SecuritiesAssetsMember_E40CCD14B95B6F62EAA5F39167A2C2CB" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_GryphonSivMember" xlink:label="loc_seic_GryphonSivMember_BB8FF1088443146C84C8F39167A284E4" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_2B271C09BFE96EE404AAF39167A29A3D" xlink:to="loc_seic_GryphonSivMember_BB8FF1088443146C84C8F39167A284E4" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_StanfieldVictoriaSivMember" xlink:label="loc_seic_StanfieldVictoriaSivMember_BC322B4C990FAB443A24F39167A2B34C" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_2B271C09BFE96EE404AAF39167A29A3D" xlink:to="loc_seic_StanfieldVictoriaSivMember_BC322B4C990FAB443A24F39167A2B34C" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_LsvSponsoredMutualFundsMember" xlink:label="loc_seic_LsvSponsoredMutualFundsMember_BCCFD0B3BD3AE1172672F39167A21A0A" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_2B271C09BFE96EE404AAF39167A29A3D" xlink:to="loc_seic_LsvSponsoredMutualFundsMember_BCCFD0B3BD3AE1172672F39167A21A0A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_7A6E09B95B1D404BC754F39167A29423" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfInvestmentsTable_D00305E46087C32F59F3F39167A2698B" xlink:to="loc_dei_LegalEntityAxis_7A6E09B95B1D404BC754F39167A29423" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_96247A9331F81E9F7794F39167A22F3E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_7A6E09B95B1D404BC754F39167A29423" xlink:to="loc_dei_EntityDomain_96247A9331F81E9F7794F39167A22F3E" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_SeiPrivateTrustCompanyMember" xlink:label="loc_seic_SeiPrivateTrustCompanyMember_9F15F7B10527FDAD435AF39167A268A5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_96247A9331F81E9F7794F39167A22F3E" xlink:to="loc_seic_SeiPrivateTrustCompanyMember_9F15F7B10527FDAD435AF39167A268A5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_747C0646C6C2E47C43AEF39167A2A2E6" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfInvestmentsTable_D00305E46087C32F59F3F39167A2698B" xlink:to="loc_us-gaap_RangeAxis_747C0646C6C2E47C43AEF39167A2A2E6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_433BDB0FBF54DCBBBD5FF39167A2AFAA" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeAxis_747C0646C6C2E47C43AEF39167A2A2E6" xlink:to="loc_us-gaap_RangeMember_433BDB0FBF54DCBBBD5FF39167A2AFAA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_57A8162F406E8ED0D51AF39167A25C1D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_433BDB0FBF54DCBBBD5FF39167A2AFAA" xlink:to="loc_us-gaap_MinimumMember_57A8162F406E8ED0D51AF39167A25C1D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_F11F3479A9BC9D00ABC5F39167A2927D" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_433BDB0FBF54DCBBBD5FF39167A2AFAA" xlink:to="loc_us-gaap_MaximumMember_F11F3479A9BC9D00ABC5F39167A2927D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfInvestmentsLineItems" xlink:label="loc_us-gaap_ScheduleOfInvestmentsLineItems_E2929C074DB3D88F8549F39167A234D5" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfInvestmentsTable_D00305E46087C32F59F3F39167A2698B" xlink:to="loc_us-gaap_ScheduleOfInvestmentsLineItems_E2929C074DB3D88F8549F39167A234D5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_99F9D8C89B0B18A3344FF39167A292A9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfInvestmentsLineItems_E2929C074DB3D88F8549F39167A234D5" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_99F9D8C89B0B18A3344FF39167A292A9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesIncomeTaxExpenseOnChangeInUnrealizedHoldingGainOrLoss" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesIncomeTaxExpenseOnChangeInUnrealizedHoldingGainOrLoss_350E903A0C1C074EF1F3F39167A2214D" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfInvestmentsLineItems_E2929C074DB3D88F8549F39167A234D5" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesIncomeTaxExpenseOnChangeInUnrealizedHoldingGainOrLoss_350E903A0C1C074EF1F3F39167A2214D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet_FCF0BD3C8E3B567E9A19F39167A20F4A" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfInvestmentsLineItems_E2929C074DB3D88F8549F39167A234D5" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet_FCF0BD3C8E3B567E9A19F39167A20F4A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableforsaleSecuritiesDebtMaturitiesDate" xlink:label="loc_us-gaap_AvailableforsaleSecuritiesDebtMaturitiesDate_41E073F8C393CB2EB40AF39167A28CB9" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfInvestmentsLineItems_E2929C074DB3D88F8549F39167A234D5" xlink:to="loc_us-gaap_AvailableforsaleSecuritiesDebtMaturitiesDate_41E073F8C393CB2EB40AF39167A28CB9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TradingSecuritiesRealizedGain" xlink:label="loc_us-gaap_TradingSecuritiesRealizedGain_9D3826E2B01FB968702CF39167A27596" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfInvestmentsLineItems_E2929C074DB3D88F8549F39167A234D5" xlink:to="loc_us-gaap_TradingSecuritiesRealizedGain_9D3826E2B01FB968702CF39167A27596" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_GainsFromCashPaymentsReceivedFromSivSecurities" xlink:label="loc_seic_GainsFromCashPaymentsReceivedFromSivSecurities_42B071093BFEAC4A71E1F39167A21F6F" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfInvestmentsLineItems_E2929C074DB3D88F8549F39167A234D5" xlink:to="loc_seic_GainsFromCashPaymentsReceivedFromSivSecurities_42B071093BFEAC4A71E1F39167A21F6F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrealizedGainLossOnSecurities" xlink:label="loc_us-gaap_UnrealizedGainLossOnSecurities_738E2B57B2D52CD19B32F39167A209A4" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfInvestmentsLineItems_E2929C074DB3D88F8549F39167A234D5" xlink:to="loc_us-gaap_UnrealizedGainLossOnSecurities_738E2B57B2D52CD19B32F39167A209A4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TradingSecuritiesRealizedGainLoss" xlink:label="loc_us-gaap_TradingSecuritiesRealizedGainLoss_3313939135FB3C711FDBF39167A2A6D1" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfInvestmentsLineItems_E2929C074DB3D88F8549F39167A234D5" xlink:to="loc_us-gaap_TradingSecuritiesRealizedGainLoss_3313939135FB3C711FDBF39167A2A6D1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue" xlink:label="loc_us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue_006350C11CBB71176651F39167A2CE12" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2009/role/netLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfInvestmentsLineItems_E2929C074DB3D88F8549F39167A234D5" xlink:to="loc_us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue_006350C11CBB71176651F39167A2CE12" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RealizedInvestmentGainsLosses" xlink:label="loc_us-gaap_RealizedInvestmentGainsLosses_0BBCCC2F0D6F1130BF82F39167A27F0F" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfInvestmentsLineItems_E2929C074DB3D88F8549F39167A234D5" xlink:to="loc_us-gaap_RealizedInvestmentGainsLosses_0BBCCC2F0D6F1130BF82F39167A27F0F" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/MarketableSecuritiesTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MarketableSecuritiesAbstract" xlink:label="loc_us-gaap_MarketableSecuritiesAbstract_E1F2B6907A3B055DDC7DF5974C06C78D" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesTextBlock" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesTextBlock_5E5DDC7684000D5DDE02F5974C066DF5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MarketableSecuritiesAbstract_E1F2B6907A3B055DDC7DF5974C06C78D" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesTextBlock_5E5DDC7684000D5DDE02F5974C066DF5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TradingSecuritiesAndCertainTradingAssetsTextBlock" xlink:label="loc_us-gaap_TradingSecuritiesAndCertainTradingAssetsTextBlock_A281939548CB522CE117F5974C067147" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MarketableSecuritiesAbstract_E1F2B6907A3B055DDC7DF5974C06C78D" xlink:to="loc_us-gaap_TradingSecuritiesAndCertainTradingAssetsTextBlock_A281939548CB522CE117F5974C067147" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/MarketableSecuritiesTradingSecuritiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MarketableSecuritiesAbstract" xlink:label="loc_us-gaap_MarketableSecuritiesAbstract_80BE01E1F4273512C4B4D53A63490B61" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsTable" xlink:label="loc_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsTable_960475629FF24E41413AD53A6349C7E7" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MarketableSecuritiesAbstract_80BE01E1F4273512C4B4D53A63490B61" xlink:to="loc_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsTable_960475629FF24E41413AD53A6349C7E7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_B54D23259E987B415454D53A6349EF18" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsTable_960475629FF24E41413AD53A6349C7E7" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_B54D23259E987B415454D53A6349EF18" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_F192F839C9A654E13A67D53A6349DD0B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_B54D23259E987B415454D53A6349EF18" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_F192F839C9A654E13A67D53A6349DD0B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SecuritiesAssetsMember" xlink:label="loc_us-gaap_SecuritiesAssetsMember_0AB2ABE976DF989E6AC7D53A6349346A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_F192F839C9A654E13A67D53A6349DD0B" xlink:to="loc_us-gaap_SecuritiesAssetsMember_0AB2ABE976DF989E6AC7D53A6349346A" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_LsvSponsoredMutualFundsMember" xlink:label="loc_seic_LsvSponsoredMutualFundsMember_91A6FBBD5D456C397082D53A63492DE4" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_F192F839C9A654E13A67D53A6349DD0B" xlink:to="loc_seic_LsvSponsoredMutualFundsMember_91A6FBBD5D456C397082D53A63492DE4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherInvestmentsMember" xlink:label="loc_us-gaap_OtherInvestmentsMember_CAF0D71D2060E98F9820D53A63499D37" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_F192F839C9A654E13A67D53A6349DD0B" xlink:to="loc_us-gaap_OtherInvestmentsMember_CAF0D71D2060E98F9820D53A63499D37" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsLineItems" xlink:label="loc_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsLineItems_1AAF5D133DEF8ABAEC92D53A634954A9" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsTable_960475629FF24E41413AD53A6349C7E7" xlink:to="loc_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsLineItems_1AAF5D133DEF8ABAEC92D53A634954A9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TradingSecuritiesCost" xlink:label="loc_us-gaap_TradingSecuritiesCost_E73DFB00BD3AE5E18990D53A63493266" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsLineItems_1AAF5D133DEF8ABAEC92D53A634954A9" xlink:to="loc_us-gaap_TradingSecuritiesCost_E73DFB00BD3AE5E18990D53A63493266" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TradingSecuritiesUnrealizedHoldingGain" xlink:label="loc_us-gaap_TradingSecuritiesUnrealizedHoldingGain_44D7F670B50DDBF734F6D53A63498BEF" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsLineItems_1AAF5D133DEF8ABAEC92D53A634954A9" xlink:to="loc_us-gaap_TradingSecuritiesUnrealizedHoldingGain_44D7F670B50DDBF734F6D53A63498BEF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TradingSecuritiesUnrealizedHoldingLoss" xlink:label="loc_us-gaap_TradingSecuritiesUnrealizedHoldingLoss_0C3AA0500D7EC0D7CA4DD53A6349BB3F" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsLineItems_1AAF5D133DEF8ABAEC92D53A634954A9" xlink:to="loc_us-gaap_TradingSecuritiesUnrealizedHoldingLoss_0C3AA0500D7EC0D7CA4DD53A6349BB3F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherMarketableSecuritiesNoncurrent" xlink:label="loc_us-gaap_OtherMarketableSecuritiesNoncurrent_07F16767FFA079390838D53A63490F67" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsLineItems_1AAF5D133DEF8ABAEC92D53A634954A9" xlink:to="loc_us-gaap_OtherMarketableSecuritiesNoncurrent_07F16767FFA079390838D53A63490F67" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/QuarterlyFinancialData" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_QuarterlyFinancialDataAbstract" xlink:label="loc_us-gaap_QuarterlyFinancialDataAbstract_575C6C9CB27E6619B13ED5674B7E3A9A" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_QuarterlyFinancialInformationTextBlock" xlink:label="loc_us-gaap_QuarterlyFinancialInformationTextBlock_2AFC0A7235455405BD0DD5674B7ED571" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_QuarterlyFinancialDataAbstract_575C6C9CB27E6619B13ED5674B7E3A9A" xlink:to="loc_us-gaap_QuarterlyFinancialInformationTextBlock_2AFC0A7235455405BD0DD5674B7ED571" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/QuarterlyFinancialDataSivRelatedGainsLossesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract_8309E8E1FABAC3BF8E3AF3314F82B349" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_7AE5B68DBF7794D15580F3314F8215CF" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_8309E8E1FABAC3BF8E3AF3314F82B349" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_7AE5B68DBF7794D15580F3314F8215CF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_1A4193F37CD1FED53936F3314F82A586" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_7AE5B68DBF7794D15580F3314F8215CF" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_1A4193F37CD1FED53936F3314F82A586" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_0342A617C0EA16C51C91F3314F820F8B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_1A4193F37CD1FED53936F3314F82A586" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_0342A617C0EA16C51C91F3314F820F8B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SecuritiesAssetsMember" xlink:label="loc_us-gaap_SecuritiesAssetsMember_B47396A98FA2FFC4D8A9F3314F82AE6C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_0342A617C0EA16C51C91F3314F820F8B" xlink:to="loc_us-gaap_SecuritiesAssetsMember_B47396A98FA2FFC4D8A9F3314F82AE6C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_DCF6172DCE1661029520F3314F82C184" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_7AE5B68DBF7794D15580F3314F8215CF" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_DCF6172DCE1661029520F3314F82C184" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_0114C50CB9D0CEE959F4F3314F829668" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_DCF6172DCE1661029520F3314F82C184" xlink:to="loc_us-gaap_Revenues_0114C50CB9D0CEE959F4F3314F829668" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_D3164C704D03ACD8700EF3314F823F36" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_DCF6172DCE1661029520F3314F82C184" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_D3164C704D03ACD8700EF3314F823F36" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_F4D0CD742830CE992975F3314F82658D" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_DCF6172DCE1661029520F3314F82C184" xlink:to="loc_us-gaap_NetIncomeLoss_F4D0CD742830CE992975F3314F82658D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_862E096DA2092B76094EF3314F829A6D" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_DCF6172DCE1661029520F3314F82C184" xlink:to="loc_us-gaap_EarningsPerShareBasic_862E096DA2092B76094EF3314F829A6D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_3E55632A2A6DF9AE3E3EF3314F82BF34" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_DCF6172DCE1661029520F3314F82C184" xlink:to="loc_us-gaap_EarningsPerShareDiluted_3E55632A2A6DF9AE3E3EF3314F82BF34" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_4B8262951CDCA064AABCF3314F8258A3" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_DCF6172DCE1661029520F3314F82C184" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_4B8262951CDCA064AABCF3314F8258A3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TradingSecuritiesRealizedGainLoss" xlink:label="loc_us-gaap_TradingSecuritiesRealizedGainLoss_E70C621963FF17E819E1F3314F824AD3" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_DCF6172DCE1661029520F3314F82C184" xlink:to="loc_us-gaap_TradingSecuritiesRealizedGainLoss_E70C621963FF17E819E1F3314F824AD3" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/QuarterlyFinancialDataTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_QuarterlyFinancialDataAbstract" xlink:label="loc_us-gaap_QuarterlyFinancialDataAbstract_4FA6979C5BD2785036FBF5974B2C6A09" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_76AB0C74A1CDE61A4DADF5974B2C9555" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_QuarterlyFinancialDataAbstract_4FA6979C5BD2785036FBF5974B2C6A09" xlink:to="loc_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_76AB0C74A1CDE61A4DADF5974B2C9555" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/RelatedPartyTransactions" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_D6390CA9762415A0A14AD567419BC5BE" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:label="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_20197FDA860D3FF89A7ED567419B46FA" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_D6390CA9762415A0A14AD567419BC5BE" xlink:to="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_20197FDA860D3FF89A7ED567419B46FA" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/RelatedPartyTransactionsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_079B4B31607EDF475D30BBA6C4FAD34B" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InvestmentAdvisoryFees" xlink:label="loc_us-gaap_InvestmentAdvisoryFees_95B7BB8F11647A1A8159BBBD4E13471C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_079B4B31607EDF475D30BBA6C4FAD34B" xlink:to="loc_us-gaap_InvestmentAdvisoryFees_95B7BB8F11647A1A8159BBBD4E13471C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DistributionAndServicingFees" xlink:label="loc_us-gaap_DistributionAndServicingFees_9B39D46E8D1B3058B15ABBB0B4ED57F7" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_079B4B31607EDF475D30BBA6C4FAD34B" xlink:to="loc_us-gaap_DistributionAndServicingFees_9B39D46E8D1B3058B15ABBB0B4ED57F7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BrokerageCommissionsRevenue" xlink:label="loc_us-gaap_BrokerageCommissionsRevenue_C165CB300A1EF48A0D7ABBA6C4FA85E4" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_079B4B31607EDF475D30BBA6C4FAD34B" xlink:to="loc_us-gaap_BrokerageCommissionsRevenue_C165CB300A1EF48A0D7ABBA6C4FA85E4" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/SaleOfSeiAssetKorea" xlink:type="extended">
    <loc xlink:href="seic-20121231.xsd#seic_SaleOfSeiAssetKoreaAbstract" xlink:label="loc_seic_SaleOfSeiAssetKoreaAbstract_69706BEF91479E9CB9E4D56748A03071" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_5A58DE1D9D873E7B4D0ED56748A0D364" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_seic_SaleOfSeiAssetKoreaAbstract_69706BEF91479E9CB9E4D56748A03071" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_5A58DE1D9D873E7B4D0ED56748A0D364" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/SaleOfSeiAssetKoreaSaleOfSeiAssetKoreaNarrativeDetails" xlink:type="extended">
    <loc xlink:href="seic-20121231.xsd#seic_SaleOfSeiAssetKoreaAbstract" xlink:label="loc_seic_SaleOfSeiAssetKoreaAbstract_5A6941B77E2FB51FB1FBF30E2F66D2DF" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_9B93803C38C8E024E6D5F30E2F66B76C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_seic_SaleOfSeiAssetKoreaAbstract_5A6941B77E2FB51FB1FBF30E2F66D2DF" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_9B93803C38C8E024E6D5F30E2F66B76C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_0D34E4293984BCD20200F30E2F6621E4" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_9B93803C38C8E024E6D5F30E2F66B76C" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_0D34E4293984BCD20200F30E2F6621E4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_46285724B62838D5D155F30E2F66BE22" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_0D34E4293984BCD20200F30E2F6621E4" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_46285724B62838D5D155F30E2F66BE22" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_SeiAssetKoreaCoLtdMember" xlink:label="loc_seic_SeiAssetKoreaCoLtdMember_442AB164B4F887A188EFF30E2F668DF0" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_46285724B62838D5D155F30E2F66BE22" xlink:to="loc_seic_SeiAssetKoreaCoLtdMember_442AB164B4F887A188EFF30E2F668DF0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_DF84DC3178BBEFC7EEC4F30E2F66966B" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_9B93803C38C8E024E6D5F30E2F66B76C" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_DF84DC3178BBEFC7EEC4F30E2F66966B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SaleOfStockPercentageOfOwnershipBeforeTransaction" xlink:label="loc_us-gaap_SaleOfStockPercentageOfOwnershipBeforeTransaction_CEE8D0C5175CA2BE3234F30E2F662561" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_DF84DC3178BBEFC7EEC4F30E2F66966B" xlink:to="loc_us-gaap_SaleOfStockPercentageOfOwnershipBeforeTransaction_CEE8D0C5175CA2BE3234F30E2F662561" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationSegmentThatIncludesDisposalGroup" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationSegmentThatIncludesDisposalGroup_F1D3FA1BBFAEE2FA093BF316E3B84557" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_DF84DC3178BBEFC7EEC4F30E2F66966B" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationSegmentThatIncludesDisposalGroup_F1D3FA1BBFAEE2FA093BF316E3B84557" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_CE055C6FB9340CAC314EF30E2F66E2AD" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_DF84DC3178BBEFC7EEC4F30E2F66966B" xlink:to="loc_us-gaap_Assets_CE055C6FB9340CAC314EF30E2F66E2AD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_3422C2BE3080D29C7064F30E2F66839F" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_DF84DC3178BBEFC7EEC4F30E2F66966B" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_3422C2BE3080D29C7064F30E2F66839F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccruedIncomeTaxesNoncurrent" xlink:label="loc_us-gaap_AccruedIncomeTaxesNoncurrent_52D7F19A434F1B762B9AF30E2F66223B" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_DF84DC3178BBEFC7EEC4F30E2F66966B" xlink:to="loc_us-gaap_AccruedIncomeTaxesNoncurrent_52D7F19A434F1B762B9AF30E2F66223B" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/ScheduleIiValuationAndQualifyingAccountsAndReserves" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsAbstract" xlink:label="loc_us-gaap_ValuationAndQualifyingAccountsAbstract_3C69B8D5AEDDBE3515C2D56743BED54C" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" xlink:label="loc_us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_2C466573BCE5CC830855D56743BE880B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationAndQualifyingAccountsAbstract_3C69B8D5AEDDBE3515C2D56743BED54C" xlink:to="loc_us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_2C466573BCE5CC830855D56743BE880B" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/ScheduleIiValuationAndQualifyingAccountsAndReservesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsAbstract" xlink:label="loc_us-gaap_ValuationAndQualifyingAccountsAbstract_016935D4EA6A7B4FF6CFF33818219FEE" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureTable" xlink:label="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureTable_4D22CAA7B5AEEDA185AAF33818212601" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationAndQualifyingAccountsAbstract_016935D4EA6A7B4FF6CFF33818219FEE" xlink:to="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureTable_4D22CAA7B5AEEDA185AAF33818212601" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_50C2ED9504C2ACFD90CEF3381821A0F4" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureTable_4D22CAA7B5AEEDA185AAF33818212601" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_50C2ED9504C2ACFD90CEF3381821A0F4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDomain_7C71BD849434E4C402B5F3381821270D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_50C2ED9504C2ACFD90CEF3381821A0F4" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDomain_7C71BD849434E4C402B5F3381821270D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsMember" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsMember_8E3891163906C949CE3EF3381821F025" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_7C71BD849434E4C402B5F3381821270D" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsMember_8E3891163906C949CE3EF3381821F025" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember" xlink:label="loc_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_6F5F955565E48BF8DD14F33818219CFE" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_7C71BD849434E4C402B5F3381821270D" xlink:to="loc_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_6F5F955565E48BF8DD14F33818219CFE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:label="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_BED1C6E90033F768FC2DF338182101D1" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureTable_4D22CAA7B5AEEDA185AAF33818212601" xlink:to="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_BED1C6E90033F768FC2DF338182101D1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MovementInValuationAllowancesAndReservesRollForward" xlink:label="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_1A8A1A023183CA4C93AAF33EAA6F42EE" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_BED1C6E90033F768FC2DF338182101D1" xlink:to="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_1A8A1A023183CA4C93AAF33EAA6F42EE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesBalance_90DBB86A46C48FDDEF07F3381821618A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_1A8A1A023183CA4C93AAF33EAA6F42EE" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesBalance_90DBB86A46C48FDDEF07F3381821618A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_72A9CC140B0E314CC501F3381821E142" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_1A8A1A023183CA4C93AAF33EAA6F42EE" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_72A9CC140B0E314CC501F3381821E142" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts_D6AAE91176F4182F984AF33818213CBB" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_1A8A1A023183CA4C93AAF33EAA6F42EE" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts_D6AAE91176F4182F984AF33818213CBB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDeductions" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDeductions_C91DC9F0CE6F4D09E7CCF338182180B4" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_1A8A1A023183CA4C93AAF33EAA6F42EE" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDeductions_C91DC9F0CE6F4D09E7CCF338182180B4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesBalance_CFEF369382E156A0CE13F3381821FFBE" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_1A8A1A023183CA4C93AAF33EAA6F42EE" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesBalance_CFEF369382E156A0CE13F3381821FFBE" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/ScheduleIiValuationAndQualifyingAccountsAndReservesValuationAndQualifyingAccountsAndReservesTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsAbstract" xlink:label="loc_us-gaap_ValuationAndQualifyingAccountsAbstract_640CE1C1654C88F10755F5974B206321" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SummaryOfValuationAllowanceTextBlock" xlink:label="loc_us-gaap_SummaryOfValuationAllowanceTextBlock_788C86B3982792F83B7CF5974B21220F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationAndQualifyingAccountsAbstract_640CE1C1654C88F10755F5974B206321" xlink:to="loc_us-gaap_SummaryOfValuationAllowanceTextBlock_788C86B3982792F83B7CF5974B21220F" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/ShareholdersEquity" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="loc_us-gaap_StockholdersEquityNoteAbstract_724DBEB8F72932112F7FD5673FE6D2BB" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:label="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock_500A75109211C9C2068CD5673FE6E4DE" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract_724DBEB8F72932112F7FD5673FE6D2BB" xlink:to="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock_500A75109211C9C2068CD5673FE6E4DE" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/ShareholdersEquityNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="loc_us-gaap_StockholdersEquityNoteAbstract_9970014414ACA6E73159FE07BE0F4839" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_5A93EF92D1318ADEDF74FE07BE0F86C2" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract_9970014414ACA6E73159FE07BE0F4839" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_5A93EF92D1318ADEDF74FE07BE0F86C2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_032996B11AA3D1966B08FE07BE0F862E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_5A93EF92D1318ADEDF74FE07BE0F86C2" xlink:to="loc_us-gaap_PlanNameAxis_032996B11AA3D1966B08FE07BE0F862E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_48404AB6D56FF29CBFE4FE07BE0FA0F7" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PlanNameAxis_032996B11AA3D1966B08FE07BE0F862E" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_48404AB6D56FF29CBFE4FE07BE0FA0F7" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_TwoThousandSevenPlanMember" xlink:label="loc_seic_TwoThousandSevenPlanMember_AB85E49CC53C68362AD6FE07BE0F3190" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_48404AB6D56FF29CBFE4FE07BE0FA0F7" xlink:to="loc_seic_TwoThousandSevenPlanMember_AB85E49CC53C68362AD6FE07BE0F3190" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_A1998PlanMember" xlink:label="loc_seic_A1998PlanMember_F36D2F158E453E3EF3F4FE07BE0F345B" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_48404AB6D56FF29CBFE4FE07BE0FA0F7" xlink:to="loc_seic_A1998PlanMember_F36D2F158E453E3EF3F4FE07BE0F345B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_0027E1D727B9C0CC3B86FE07BE0F58BF" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_5A93EF92D1318ADEDF74FE07BE0F86C2" xlink:to="loc_us-gaap_RangeAxis_0027E1D727B9C0CC3B86FE07BE0F58BF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_04DEED9CBCE0C40409EAFE07BE0F4DDD" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeAxis_0027E1D727B9C0CC3B86FE07BE0F58BF" xlink:to="loc_us-gaap_RangeMember_04DEED9CBCE0C40409EAFE07BE0F4DDD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_F15453F40D427947E8F1FE07BE0F18E5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_04DEED9CBCE0C40409EAFE07BE0F4DDD" xlink:to="loc_us-gaap_MinimumMember_F15453F40D427947E8F1FE07BE0F18E5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_A925CA88D94FC9EDCA81FE07BE0F186A" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_04DEED9CBCE0C40409EAFE07BE0F4DDD" xlink:to="loc_us-gaap_MaximumMember_A925CA88D94FC9EDCA81FE07BE0F186A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsAxis" xlink:label="loc_us-gaap_DividendsAxis_9787C4E540E3DD7A2C36FE07BE0F26BB" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_5A93EF92D1318ADEDF74FE07BE0F86C2" xlink:to="loc_us-gaap_DividendsAxis_9787C4E540E3DD7A2C36FE07BE0F26BB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsDomain" xlink:label="loc_us-gaap_DividendsDomain_5FEE741C49A9156FA725FE07BE0F14C1" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DividendsAxis_9787C4E540E3DD7A2C36FE07BE0F26BB" xlink:to="loc_us-gaap_DividendsDomain_5FEE741C49A9156FA725FE07BE0F14C1" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_InterimCashDividendsMember" xlink:label="loc_seic_InterimCashDividendsMember_6CC78554A3DB7853BFBDFE07BE0FB234" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DividendsDomain_5FEE741C49A9156FA725FE07BE0F14C1" xlink:to="loc_seic_InterimCashDividendsMember_6CC78554A3DB7853BFBDFE07BE0FB234" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_FinalCashDividendsMember" xlink:label="loc_seic_FinalCashDividendsMember_809B1CF6C6AE0913F498FE07BE0FBC0D" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DividendsDomain_5FEE741C49A9156FA725FE07BE0F14C1" xlink:to="loc_seic_FinalCashDividendsMember_809B1CF6C6AE0913F498FE07BE0FBC0D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_5A93EF92D1318ADEDF74FE07BE0F86C2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfActivePlans" xlink:label="loc_seic_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfActivePlans_4E657C56297C311E3448FE07BE0FD205" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_seic_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfActivePlans_4E657C56297C311E3448FE07BE0FD205" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_692EB3D34FD91A33BE4DFE07BE0FCF97" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_692EB3D34FD91A33BE4DFE07BE0FCF97" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_VestingRateWhenSpecifiedDilutedEarningsPerShareTargetsAreAchieved" xlink:label="loc_seic_VestingRateWhenSpecifiedDilutedEarningsPerShareTargetsAreAchieved_0DD4A3DAC4A91228E72FFE07BE0F4469" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_seic_VestingRateWhenSpecifiedDilutedEarningsPerShareTargetsAreAchieved_0DD4A3DAC4A91228E72FFE07BE0F4469" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_VestingRateHigherSpecifiedDilutedEarningsPerShareTargetsAreAchieved" xlink:label="loc_seic_VestingRateHigherSpecifiedDilutedEarningsPerShareTargetsAreAchieved_D949D733BE23CD3B025FFE07BE0F6F0B" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_seic_VestingRateHigherSpecifiedDilutedEarningsPerShareTargetsAreAchieved_D949D733BE23CD3B025FFE07BE0F6F0B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_470EC3DBFACD2BC55CCAFE07BE0FBDC8" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_470EC3DBFACD2BC55CCAFE07BE0FBDC8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed_C1F23C147155FBF46F1AFE07BE0F6406" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed_C1F23C147155FBF46F1AFE07BE0F6406" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_BA89F1749FE56E376CB8FE07BE0F4776" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_BA89F1749FE56E376CB8FE07BE0F4776" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_ChangeInManagementEstimateOfStockBasedCompensationExpenseAmortization" xlink:label="loc_seic_ChangeInManagementEstimateOfStockBasedCompensationExpenseAmortization_200313761B5B4CD01BDCFE07BE0FD7C7" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_seic_ChangeInManagementEstimateOfStockBasedCompensationExpenseAmortization_200313761B5B4CD01BDCFE07BE0FD7C7" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_AmountOfPreviouslyRecognizedStockBasedCompensationCostsReversed" xlink:label="loc_seic_AmountOfPreviouslyRecognizedStockBasedCompensationCostsReversed_3F3DF3D2687296B809F3FE07BE0F272E" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_seic_AmountOfPreviouslyRecognizedStockBasedCompensationCostsReversed_3F3DF3D2687296B809F3FE07BE0F272E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_7DD5D202B721F75A01A3FE07BE0FDE58" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_7DD5D202B721F75A01A3FE07BE0FDE58" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_9BDF5DB0651AA9ACAECDFE07BE0FE76D" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_9BDF5DB0651AA9ACAECDFE07BE0FE76D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate_9F55EB13F357C09FD728FE07BE0F239C" xlink:type="locator" />
    <presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate_9F55EB13F357C09FD728FE07BE0F239C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_5795CC903815BE77B4D3FE07BE0F1E27" xlink:type="locator" />
    <presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_5795CC903815BE77B4D3FE07BE0F1E27" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_A5089934CA304FED7061FE07BE0F38CE" xlink:type="locator" />
    <presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_A5089934CA304FED7061FE07BE0F38CE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_906DB2C46E290F675EF2FE07BE0F501E" xlink:type="locator" />
    <presentationArc order="15" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_906DB2C46E290F675EF2FE07BE0F501E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_65E2409DC8FF8FFECFBBFE07BE0F633B" xlink:type="locator" />
    <presentationArc order="16" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_65E2409DC8FF8FFECFBBFE07BE0F633B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharePrice" xlink:label="loc_us-gaap_SharePrice_A0FEC8A157F370CAE987FE07BE0F6959" xlink:type="locator" />
    <presentationArc order="17" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_us-gaap_SharePrice_A0FEC8A157F370CAE987FE07BE0F6959" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPriceOfferingDate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPriceOfferingDate_A961BE3FB15112229F01FE07BE0F52E3" xlink:type="locator" />
    <presentationArc order="18" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPriceOfferingDate_A961BE3FB15112229F01FE07BE0F52E3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_3D341AD0C418A23ED841FE07BE0F1D44" xlink:type="locator" />
    <presentationArc order="19" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_3D341AD0C418A23ED841FE07BE0F1D44" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_718F04881D1E5B14566CFE07BE0FD6B7" xlink:type="locator" />
    <presentationArc order="20" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_718F04881D1E5B14566CFE07BE0FD6B7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense" xlink:label="loc_us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense_C8E1DC04B3B1A3642864FE07BE0FBD5F" xlink:type="locator" />
    <presentationArc order="21" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense_C8E1DC04B3B1A3642864FE07BE0FBD5F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount" xlink:label="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount_FA244287F9CA973829B3FE07BE0F3CCF" xlink:type="locator" />
    <presentationArc order="22" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount_FA244287F9CA973829B3FE07BE0F3CCF" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_RightsReceivedByCommonShareholderForEachCommonShareOutstandingRights" xlink:label="loc_seic_RightsReceivedByCommonShareholderForEachCommonShareOutstandingRights_B586977BA47622A65F2CFE07BE0F651F" xlink:type="locator" />
    <presentationArc order="23" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_seic_RightsReceivedByCommonShareholderForEachCommonShareOutstandingRights_B586977BA47622A65F2CFE07BE0F651F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_6B72370678F820ED1123FE07BE0F111E" xlink:type="locator" />
    <presentationArc order="24" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_6B72370678F820ED1123FE07BE0F111E" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_SecuritiesAndAssetsOfEquivalentValuePurchasePricePerUnit" xlink:label="loc_seic_SecuritiesAndAssetsOfEquivalentValuePurchasePricePerUnit_A9A5D866FCDD3829BA32FE07BE0F56C0" xlink:type="locator" />
    <presentationArc order="25" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_seic_SecuritiesAndAssetsOfEquivalentValuePurchasePricePerUnit_A9A5D866FCDD3829BA32FE07BE0F56C0" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_NumberOfDaysRightsBecomeExercisableFollowingPublicAnnouncement" xlink:label="loc_seic_NumberOfDaysRightsBecomeExercisableFollowingPublicAnnouncement_BA89C3A1277BCA597587FE07BE0F7865" xlink:type="locator" />
    <presentationArc order="26" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_seic_NumberOfDaysRightsBecomeExercisableFollowingPublicAnnouncement_BA89C3A1277BCA597587FE07BE0F7865" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LeveragedBuyoutContinuingOwnershipInterestByContinuingStockholders" xlink:label="loc_us-gaap_LeveragedBuyoutContinuingOwnershipInterestByContinuingStockholders_E1DF83B2AE504A798CF8FE07BE0F1D47" xlink:type="locator" />
    <presentationArc order="27" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_us-gaap_LeveragedBuyoutContinuingOwnershipInterestByContinuingStockholders_E1DF83B2AE504A798CF8FE07BE0F1D47" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_HoldersOtherThanAcquiringPersonRightToPurchaseOfCommonStockUponExerciseOfRights" xlink:label="loc_seic_HoldersOtherThanAcquiringPersonRightToPurchaseOfCommonStockUponExerciseOfRights_5D82CAF8071D309B442BFE07BE0F7B89" xlink:type="locator" />
    <presentationArc order="28" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_seic_HoldersOtherThanAcquiringPersonRightToPurchaseOfCommonStockUponExerciseOfRights_5D82CAF8071D309B442BFE07BE0F7B89" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_CommonSharesReceivedByHoldersUponSurrenderOfRightsPercentage" xlink:label="loc_seic_CommonSharesReceivedByHoldersUponSurrenderOfRightsPercentage_6DECDB60A3697E9D8204FE07BE0FC5D5" xlink:type="locator" />
    <presentationArc order="29" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_seic_CommonSharesReceivedByHoldersUponSurrenderOfRightsPercentage_6DECDB60A3697E9D8204FE07BE0FC5D5" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_RightsNonVotingRedeemableDays" xlink:label="loc_seic_RightsNonVotingRedeemableDays_B61BDD30ACD3C9485281FE07BE0F1E5B" xlink:type="locator" />
    <presentationArc order="30" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_seic_RightsNonVotingRedeemableDays_B61BDD30ACD3C9485281FE07BE0F1E5B" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_RightRedeemablePricePerRight" xlink:label="loc_seic_RightRedeemablePricePerRight_A8B64C115E3094058627FE07BE0FA659" xlink:type="locator" />
    <presentationArc order="31" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_seic_RightRedeemablePricePerRight_A8B64C115E3094058627FE07BE0FA659" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_F60155866B57C12BC292FE07BE0F38F8" xlink:type="locator" />
    <presentationArc order="32" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_F60155866B57C12BC292FE07BE0F38F8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsCommonStock" xlink:label="loc_us-gaap_DividendsCommonStock_E341156EB16F1F363329FE07BE0F69D5" xlink:type="locator" />
    <presentationArc order="33" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_95059C64634F11081D8CFE07BE0FD759" xlink:to="loc_us-gaap_DividendsCommonStock_E341156EB16F1F363329FE07BE0F69D5" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/ShareholdersEquityScheduleOfReconciliationOfNoncontrollingInterestOnConsolidatedBalanceSheetDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="loc_us-gaap_StockholdersEquityNoteAbstract_D10805190E4DAACCE91EF985A86C117A" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinorityInterestTable" xlink:label="loc_us-gaap_MinorityInterestTable_A3605F4F4762CCE4F82AF985A86CB528" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract_D10805190E4DAACCE91EF985A86C117A" xlink:to="loc_us-gaap_MinorityInterestTable_A3605F4F4762CCE4F82AF985A86CB528" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_6AF8788B65B01CDA8C72F985A86CC94C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MinorityInterestTable_A3605F4F4762CCE4F82AF985A86CB528" xlink:to="loc_dei_LegalEntityAxis_6AF8788B65B01CDA8C72F985A86CC94C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_7AC259ABDE5D83426F34F985A86C9F09" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_6AF8788B65B01CDA8C72F985A86CC94C" xlink:to="loc_dei_EntityDomain_7AC259ABDE5D83426F34F985A86C9F09" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_us-gaap_NoncontrollingInterestMember_53E0B8F347194DCCF620F985A86C6A69" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7AC259ABDE5D83426F34F985A86C9F09" xlink:to="loc_us-gaap_NoncontrollingInterestMember_53E0B8F347194DCCF620F985A86C6A69" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_LSVAssetManagementMember" xlink:label="loc_seic_LSVAssetManagementMember_D609D81D321623810EB7F985A86C1CC7" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7AC259ABDE5D83426F34F985A86C9F09" xlink:to="loc_seic_LSVAssetManagementMember_D609D81D321623810EB7F985A86C1CC7" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_LsvEmployeeGroupMember" xlink:label="loc_seic_LsvEmployeeGroupMember_CE0D2752E4351E7113BFF985A86C1C3D" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7AC259ABDE5D83426F34F985A86C9F09" xlink:to="loc_seic_LsvEmployeeGroupMember_CE0D2752E4351E7113BFF985A86C1C3D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinorityInterestLineItems" xlink:label="loc_us-gaap_MinorityInterestLineItems_74FEECDB5795F8777382F985A86C231B" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MinorityInterestTable_A3605F4F4762CCE4F82AF985A86CB528" xlink:to="loc_us-gaap_MinorityInterestLineItems_74FEECDB5795F8777382F985A86C231B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MovementInMinorityInterestRollForward" xlink:label="loc_us-gaap_MovementInMinorityInterestRollForward_6B0204E5F7C0D0A4D890F985A86C1DF0" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MinorityInterestLineItems_74FEECDB5795F8777382F985A86C231B" xlink:to="loc_us-gaap_MovementInMinorityInterestRollForward_6B0204E5F7C0D0A4D890F985A86C1DF0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_us-gaap_MinorityInterest_E514C68A727089F857D1F985A86C4795" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInMinorityInterestRollForward_6B0204E5F7C0D0A4D890F985A86C1DF0" xlink:to="loc_us-gaap_MinorityInterest_E514C68A727089F857D1F985A86C4795" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_7A21C9FEC4732AF6B686F985A86CA3FB" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInMinorityInterestRollForward_6B0204E5F7C0D0A4D890F985A86C1DF0" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_7A21C9FEC4732AF6B686F985A86CA3FB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest_12B1756224F851745FF6F985A86C8A19" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInMinorityInterestRollForward_6B0204E5F7C0D0A4D890F985A86C1DF0" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest_12B1756224F851745FF6F985A86C8A19" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation" xlink:label="loc_us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation_23B0CD62EC9D581932E8F985A86C6CBC" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInMinorityInterestRollForward_6B0204E5F7C0D0A4D890F985A86C1DF0" xlink:to="loc_us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation_23B0CD62EC9D581932E8F985A86C6CBC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_us-gaap_MinorityInterest_579DCEEF606A823E46F6F985A86CA3DB" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInMinorityInterestRollForward_6B0204E5F7C0D0A4D890F985A86C1DF0" xlink:to="loc_us-gaap_MinorityInterest_579DCEEF606A823E46F6F985A86CA3DB" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/ShareholdersEquityShareholdersEquityAssumptionsUsedInWeightedAverageFairValueOfStockOptionsGrantedDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_333A50C646FCAC90BBDB4A557D8EC816" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_AC41DB476238CB0B0A484A557D8E60CC" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_333A50C646FCAC90BBDB4A557D8EC816" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_AC41DB476238CB0B0A484A557D8E60CC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_E587B1343A8BCCB1C4924A557D8E3EB9" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_333A50C646FCAC90BBDB4A557D8EC816" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_E587B1343A8BCCB1C4924A557D8E3EB9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_B0B4D441ED01650C11FF4A557D8E5FB6" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_333A50C646FCAC90BBDB4A557D8EC816" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_B0B4D441ED01650C11FF4A557D8E5FB6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_7F3D8BF76A3DA7D81D894A557D8E3955" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_333A50C646FCAC90BBDB4A557D8EC816" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_7F3D8BF76A3DA7D81D894A557D8E3955" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/ShareholdersEquityShareholdersEquityCommonStockBuybackDetails" xlink:type="extended">
    <loc xlink:href="seic-20121231.xsd#seic_CommonStockBuybackAbstract" xlink:label="loc_seic_CommonStockBuybackAbstract_463E8DA73E54034F250574A88DF74788" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_98E0CCE1A07B82D2DD1A74A88DF8F68C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_seic_CommonStockBuybackAbstract_463E8DA73E54034F250574A88DF74788" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_98E0CCE1A07B82D2DD1A74A88DF8F68C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodValue" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodValue_49280FA0048C910CC91A74A88DF8B054" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_seic_CommonStockBuybackAbstract_463E8DA73E54034F250574A88DF74788" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodValue_49280FA0048C910CC91A74A88DF8B054" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/ShareholdersEquityStockBasedCompensationExpenseDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="loc_us-gaap_StockholdersEquityNoteAbstract_166524E7C9476716CFC92507445AE680" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_29D5B33C950755D26BE32507445AEB68" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract_166524E7C9476716CFC92507445AE680" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_29D5B33C950755D26BE32507445AEB68" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_587165C3B37CE254C3692507445AD10F" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract_166524E7C9476716CFC92507445AE680" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_587165C3B37CE254C3692507445AD10F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_7D658212C5E80E664FFD2507445A620D" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract_166524E7C9476716CFC92507445AE680" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_7D658212C5E80E664FFD2507445A620D" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/ShareholdersEquityStockOptionPlansDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="loc_us-gaap_StockholdersEquityNoteAbstract_1DB5507FCBE1C924F67A74A88E04946E" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_9D8996B1A8BBDFC4BBC874A88E0525E0" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract_1DB5507FCBE1C924F67A74A88E04946E" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_9D8996B1A8BBDFC4BBC874A88E0525E0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_2FBD51213F4EDF4E21C574A88E05414C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_9D8996B1A8BBDFC4BBC874A88E0525E0" xlink:to="loc_us-gaap_AwardTypeAxis_2FBD51213F4EDF4E21C574A88E05414C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C0623AF394FA29E6950974A88E05100C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_2FBD51213F4EDF4E21C574A88E05414C" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C0623AF394FA29E6950974A88E05100C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockOptionsMember" xlink:label="loc_us-gaap_StockOptionsMember_CEC78FDAE06B76DC781274A88E05645E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C0623AF394FA29E6950974A88E05100C" xlink:to="loc_us-gaap_StockOptionsMember_CEC78FDAE06B76DC781274A88E05645E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5EF746AB4AA9BB92B73674A88E0543D7" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_9D8996B1A8BBDFC4BBC874A88E0525E0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5EF746AB4AA9BB92B73674A88E0543D7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_74BD705E0EE64BD5687274A88E05D802" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5EF746AB4AA9BB92B73674A88E0543D7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_74BD705E0EE64BD5687274A88E05D802" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_8DD413830493C2731F5E74A88E05E048" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5EF746AB4AA9BB92B73674A88E0543D7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_8DD413830493C2731F5E74A88E05E048" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_16EAE70F543DEB9DB90574A88E05B44E" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5EF746AB4AA9BB92B73674A88E0543D7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_16EAE70F543DEB9DB90574A88E05B44E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_0CF2B5CB1AC3044BB01C74A88E05A078" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5EF746AB4AA9BB92B73674A88E0543D7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_0CF2B5CB1AC3044BB01C74A88E05A078" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_D6C595FDCF124804BAB474A88E054B85" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5EF746AB4AA9BB92B73674A88E0543D7" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_D6C595FDCF124804BAB474A88E054B85" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_0035CD7B3C4197CD2C6674A88E060D46" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5EF746AB4AA9BB92B73674A88E0543D7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_0035CD7B3C4197CD2C6674A88E060D46" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_DF12A813BF04AE955AB374A88E060D03" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5EF746AB4AA9BB92B73674A88E0543D7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_DF12A813BF04AE955AB374A88E060D03" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_98EA86EB0B978E9AD00674A88E068211" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5EF746AB4AA9BB92B73674A88E0543D7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_98EA86EB0B978E9AD00674A88E068211" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_7EE94E10DE8441BFDA5374A88E066DE5" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5EF746AB4AA9BB92B73674A88E0543D7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_7EE94E10DE8441BFDA5374A88E066DE5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_6A6D5844D88D6DBF46CF74A88E06E70D" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5EF746AB4AA9BB92B73674A88E0543D7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_6A6D5844D88D6DBF46CF74A88E06E70D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_D0F2092E3C06EAA9E65774A88E06A5D8" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5EF746AB4AA9BB92B73674A88E0543D7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_D0F2092E3C06EAA9E65774A88E06A5D8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_D288CDF331853446F9CE74A88E06CFA1" xlink:type="locator" />
    <presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5EF746AB4AA9BB92B73674A88E0543D7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_D288CDF331853446F9CE74A88E06CFA1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_A90BAE30F7CB4C09197874A88E06F7CA" xlink:type="locator" />
    <presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5EF746AB4AA9BB92B73674A88E0543D7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_A90BAE30F7CB4C09197874A88E06F7CA" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/ShareholdersEquityStockOptionsOutstandingAndExercisableDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="loc_us-gaap_StockholdersEquityNoteAbstract_DB5C9B5863E94F6785E3F56B26AA1235" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable_0146A0B75746746067F1F56B26AB10B3" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract_DB5C9B5863E94F6785E3F56B26AA1235" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable_0146A0B75746746067F1F56B26AB10B3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_0A08421BAFEAD5E83725F56B26ABA8B8" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable_0146A0B75746746067F1F56B26AB10B3" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_0A08421BAFEAD5E83725F56B26ABA8B8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_0B5F018BB4B62F36EC10F56B26AB69A8" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_0A08421BAFEAD5E83725F56B26ABA8B8" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_0B5F018BB4B62F36EC10F56B26AB69A8" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_FirstRangeOfExercisePricesMember" xlink:label="loc_seic_FirstRangeOfExercisePricesMember_9BACAA32F5D8195C09B6F56B26AB4FC9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_0B5F018BB4B62F36EC10F56B26AB69A8" xlink:to="loc_seic_FirstRangeOfExercisePricesMember_9BACAA32F5D8195C09B6F56B26AB4FC9" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_SecondRangeOfExercisePricesMember" xlink:label="loc_seic_SecondRangeOfExercisePricesMember_4E9C8ADC0C9E36631E3EF56B26AB2DAA" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_0B5F018BB4B62F36EC10F56B26AB69A8" xlink:to="loc_seic_SecondRangeOfExercisePricesMember_4E9C8ADC0C9E36631E3EF56B26AB2DAA" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_ThirdRangeOfExercisePricesMember" xlink:label="loc_seic_ThirdRangeOfExercisePricesMember_5825D6E772F8A83B1748F56B26ABD0EB" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_0B5F018BB4B62F36EC10F56B26AB69A8" xlink:to="loc_seic_ThirdRangeOfExercisePricesMember_5825D6E772F8A83B1748F56B26ABD0EB" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_FourthRangeOfExercisePricesMember" xlink:label="loc_seic_FourthRangeOfExercisePricesMember_04275CA70197D531FC2EF56B26ABC411" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_0B5F018BB4B62F36EC10F56B26AB69A8" xlink:to="loc_seic_FourthRangeOfExercisePricesMember_04275CA70197D531FC2EF56B26ABC411" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_FifthRangeOfExercisePricesMember" xlink:label="loc_seic_FifthRangeOfExercisePricesMember_3A16BFA3FDBFC64B82FEF56B26AB2E4B" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_0B5F018BB4B62F36EC10F56B26AB69A8" xlink:to="loc_seic_FifthRangeOfExercisePricesMember_3A16BFA3FDBFC64B82FEF56B26AB2E4B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_6CC3826E7DA87BB195E0F56B26AB9EC9" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable_0146A0B75746746067F1F56B26AB10B3" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_6CC3826E7DA87BB195E0F56B26AB9EC9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_699F6C2BC05C432F8AAAF56B26AB4DED" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_6CC3826E7DA87BB195E0F56B26AB9EC9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_699F6C2BC05C432F8AAAF56B26AB4DED" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_376AA89B9E04D8BBBD16F56B26ABBEB7" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_6CC3826E7DA87BB195E0F56B26AB9EC9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_376AA89B9E04D8BBBD16F56B26ABBEB7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_4D964CFB1B102783C3E0F56B26AB7860" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_6CC3826E7DA87BB195E0F56B26AB9EC9" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_4D964CFB1B102783C3E0F56B26AB7860" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_86121FA8744994BE7C07F56B26ABEC61" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_6CC3826E7DA87BB195E0F56B26AB9EC9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_86121FA8744994BE7C07F56B26ABEC61" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_24002CFB1E7962ACA988F56B26ACD8FD" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_6CC3826E7DA87BB195E0F56B26AB9EC9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_24002CFB1E7962ACA988F56B26ACD8FD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_0E051E25CE5A352284B0F56B26AC50EC" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_6CC3826E7DA87BB195E0F56B26AB9EC9" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_0E051E25CE5A352284B0F56B26AC50EC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_13CB7182CB0D935EB4E7F56B26ACB8F8" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_6CC3826E7DA87BB195E0F56B26AB9EC9" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_13CB7182CB0D935EB4E7F56B26ACB8F8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_A0883E6BBD7BEED1DB11F56B26ACAC38" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_6CC3826E7DA87BB195E0F56B26AB9EC9" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_A0883E6BBD7BEED1DB11F56B26ACAC38" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/ShareholdersEquityTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="loc_us-gaap_StockholdersEquityNoteAbstract_45F0864338021F719AC7F9801BB897DA" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_B5E3090CEB169F5E591DF9801BC771B1" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract_45F0864338021F719AC7F9801BB897DA" xlink:to="loc_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_B5E3090CEB169F5E591DF9801BC771B1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock_EF95AE758BFD89E22733F9801BC77B18" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract_45F0864338021F719AC7F9801BB897DA" xlink:to="loc_us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock_EF95AE758BFD89E22733F9801BC77B18" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_2002EFC7E20BFD3C4067F9801BC725E4" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract_45F0864338021F719AC7F9801BB897DA" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_2002EFC7E20BFD3C4067F9801BC725E4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAndExercisableTableTextBlock" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAndExercisableTableTextBlock_E7F72A0E776FF701051BF9801BC77557" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract_45F0864338021F719AC7F9801BB897DA" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAndExercisableTableTextBlock_E7F72A0E776FF701051BF9801BC77557" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfTreasuryStockByClassTextBlock" xlink:label="loc_us-gaap_ScheduleOfTreasuryStockByClassTextBlock_58C059BA3DFCCBC99C25F980F2084573" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract_45F0864338021F719AC7F9801BB897DA" xlink:to="loc_us-gaap_ScheduleOfTreasuryStockByClassTextBlock_58C059BA3DFCCBC99C25F980F2084573" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfStockholdersEquityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfStockholdersEquityTableTextBlock_D930559A849103FA6189F98E19B95740" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract_45F0864338021F719AC7F9801BB897DA" xlink:to="loc_us-gaap_ScheduleOfStockholdersEquityTableTextBlock_D930559A849103FA6189F98E19B95740" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/SummaryOfSignificantAccountingPolicies" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_5C715970DC18AD5DD594B645028FE14B" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="loc_us-gaap_SignificantAccountingPoliciesTextBlock_4BFED1D643001C96B8DCB645028F36F9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_5C715970DC18AD5DD594B645028FE14B" xlink:to="loc_us-gaap_SignificantAccountingPoliciesTextBlock_4BFED1D643001C96B8DCB645028F36F9" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/SummaryOfSignificantAccountingPoliciesCalculationOfBasicAndDilutedEarningsPerShareDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_FA88018EC0378849CC63F89848FABE32" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_7263B1E30620C663F3FEF89848FAE013" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_FA88018EC0378849CC63F89848FABE32" xlink:to="loc_us-gaap_NetIncomeLoss_7263B1E30620C663F3FEF89848FAE013" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesIssuedBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesIssuedBasic_10CBDB308B67B614ED5DF89848FAD372" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_FA88018EC0378849CC63F89848FABE32" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesIssuedBasic_10CBDB308B67B614ED5DF89848FAD372" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_F09DA9930D362A04113BF89848FA68A7" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_FA88018EC0378849CC63F89848FABE32" xlink:to="loc_us-gaap_EarningsPerShareBasic_F09DA9930D362A04113BF89848FA68A7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits" xlink:label="loc_us-gaap_AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits_8295C1516F2558FD5C76F89848FACAFB" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_FA88018EC0378849CC63F89848FABE32" xlink:to="loc_us-gaap_AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits_8295C1516F2558FD5C76F89848FACAFB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProFormaWeightedAverageSharesOutstandingDiluted" xlink:label="loc_us-gaap_ProFormaWeightedAverageSharesOutstandingDiluted_EBD588C192038725ADC0F89848FAF58C" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_FA88018EC0378849CC63F89848FABE32" xlink:to="loc_us-gaap_ProFormaWeightedAverageSharesOutstandingDiluted_EBD588C192038725ADC0F89848FAF58C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_03AC59231816E2B3592AF89848FA1758" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_FA88018EC0378849CC63F89848FABE32" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_03AC59231816E2B3592AF89848FA1758" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_F54CA7FFC9CECF066893F89848FA9679" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_FA88018EC0378849CC63F89848FABE32" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_F54CA7FFC9CECF066893F89848FA9679" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_5E9BAD5547AAE5B3CD84F89848FAFD06" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_FA88018EC0378849CC63F89848FABE32" xlink:to="loc_us-gaap_EarningsPerShareDiluted_5E9BAD5547AAE5B3CD84F89848FAFD06" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/SummaryOfSignificantAccountingPoliciesNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_E31DDEABD6E3B0DCEA50F966B6D2620B" xlink:type="locator" />
    <loc xlink:href="seic-20121231.xsd#seic_SummaryOfSignificantAccountingPoliciesTable" xlink:label="loc_seic_SummaryOfSignificantAccountingPoliciesTable_151641F8500DB876BF0BF966B6D2EEE5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_E31DDEABD6E3B0DCEA50F966B6D2620B" xlink:to="loc_seic_SummaryOfSignificantAccountingPoliciesTable_151641F8500DB876BF0BF966B6D2EEE5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_CC5834BC2243131E26B5F966B6D217C5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_seic_SummaryOfSignificantAccountingPoliciesTable_151641F8500DB876BF0BF966B6D2EEE5" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_CC5834BC2243131E26B5F966B6D217C5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_08BC62169D37E8C1FE20F966B6D22796" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_CC5834BC2243131E26B5F966B6D217C5" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_08BC62169D37E8C1FE20F966B6D22796" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BuildingAndBuildingImprovementsMember" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_C575416A8ED81DAB860BF966B6D2033A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_08BC62169D37E8C1FE20F966B6D22796" xlink:to="loc_us-gaap_BuildingAndBuildingImprovementsMember_C575416A8ED81DAB860BF966B6D2033A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComputerEquipmentMember" xlink:label="loc_us-gaap_ComputerEquipmentMember_BF8119D708CDE82BBE63F966B6D2C828" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_08BC62169D37E8C1FE20F966B6D22796" xlink:to="loc_us-gaap_ComputerEquipmentMember_BF8119D708CDE82BBE63F966B6D2C828" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FurnitureAndFixturesMember" xlink:label="loc_us-gaap_FurnitureAndFixturesMember_F6EC8CA824A29D78C1C9F966B6D28B21" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_08BC62169D37E8C1FE20F966B6D22796" xlink:to="loc_us-gaap_FurnitureAndFixturesMember_F6EC8CA824A29D78C1C9F966B6D28B21" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_783F65078F331CDFC194F966B6D2DEB1" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_seic_SummaryOfSignificantAccountingPoliciesTable_151641F8500DB876BF0BF966B6D2EEE5" xlink:to="loc_dei_LegalEntityAxis_783F65078F331CDFC194F966B6D2DEB1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_89A1D869381F1672BB37F966B6D2D8FD" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_783F65078F331CDFC194F966B6D2DEB1" xlink:to="loc_dei_EntityDomain_89A1D869381F1672BB37F966B6D2D8FD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_us-gaap_NoncontrollingInterestMember_A2D9A22AF5EBD32E661FF966B6D25570" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_89A1D869381F1672BB37F966B6D2D8FD" xlink:to="loc_us-gaap_NoncontrollingInterestMember_A2D9A22AF5EBD32E661FF966B6D25570" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvesteeMember" xlink:label="loc_us-gaap_EquityMethodInvesteeMember_7913AEF0052B7C880C1AF966B6D2E0E3" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_89A1D869381F1672BB37F966B6D2D8FD" xlink:to="loc_us-gaap_EquityMethodInvesteeMember_7913AEF0052B7C880C1AF966B6D2E0E3" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_SeiSponsoredOpenEndedMoneyMarketMutualFundsMember" xlink:label="loc_seic_SeiSponsoredOpenEndedMoneyMarketMutualFundsMember_DE6FBD8EA15BD609B0D1F966B6D28CBA" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_89A1D869381F1672BB37F966B6D2D8FD" xlink:to="loc_seic_SeiSponsoredOpenEndedMoneyMarketMutualFundsMember_DE6FBD8EA15BD609B0D1F966B6D28CBA" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_SeiInvestmentsEuropeLimitedMember" xlink:label="loc_seic_SeiInvestmentsEuropeLimitedMember_8F9E5DBD037EEDD1344DF966B6D26C2F" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_89A1D869381F1672BB37F966B6D2D8FD" xlink:to="loc_seic_SeiInvestmentsEuropeLimitedMember_8F9E5DBD037EEDD1344DF966B6D26C2F" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_SeiInvestmentsDistributionCoSidcoMember" xlink:label="loc_seic_SeiInvestmentsDistributionCoSidcoMember_1688FE0F7775A6BF585AF966B6D20494" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_89A1D869381F1672BB37F966B6D2D8FD" xlink:to="loc_seic_SeiInvestmentsDistributionCoSidcoMember_1688FE0F7775A6BF585AF966B6D20494" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_CCB6FD43ED98DEE6A388F966B6D2D58D" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_seic_SummaryOfSignificantAccountingPoliciesTable_151641F8500DB876BF0BF966B6D2EEE5" xlink:to="loc_us-gaap_RangeAxis_CCB6FD43ED98DEE6A388F966B6D2D58D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_B486E6B3943AD7330F05F966B6D21946" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeAxis_CCB6FD43ED98DEE6A388F966B6D2D58D" xlink:to="loc_us-gaap_RangeMember_B486E6B3943AD7330F05F966B6D21946" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_2428D57BDA81DBA09AFFF966B6D22CB3" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_B486E6B3943AD7330F05F966B6D21946" xlink:to="loc_us-gaap_MinimumMember_2428D57BDA81DBA09AFFF966B6D22CB3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_CDF911627C71F0A81E40F966B6D27B63" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_B486E6B3943AD7330F05F966B6D21946" xlink:to="loc_us-gaap_MaximumMember_CDF911627C71F0A81E40F966B6D27B63" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_CapitalizedSoftwareSummaryOfSignificantAccountingPoliciesAxis" xlink:label="loc_seic_CapitalizedSoftwareSummaryOfSignificantAccountingPoliciesAxis_22C593ABD9513090A3B5F966B6D245B8" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_seic_SummaryOfSignificantAccountingPoliciesTable_151641F8500DB876BF0BF966B6D2EEE5" xlink:to="loc_seic_CapitalizedSoftwareSummaryOfSignificantAccountingPoliciesAxis_22C593ABD9513090A3B5F966B6D245B8" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_CapitalizedSoftwareSummaryOfSignificantAccountingPoliciesDomain" xlink:label="loc_seic_CapitalizedSoftwareSummaryOfSignificantAccountingPoliciesDomain_797348D3D09A7DC4F9D2F966B6D28628" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_seic_CapitalizedSoftwareSummaryOfSignificantAccountingPoliciesAxis_22C593ABD9513090A3B5F966B6D245B8" xlink:to="loc_seic_CapitalizedSoftwareSummaryOfSignificantAccountingPoliciesDomain_797348D3D09A7DC4F9D2F966B6D28628" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_GlobalWealthPlatformMember" xlink:label="loc_seic_GlobalWealthPlatformMember_EC586039A37D48E3628AF966B6D21D77" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_seic_CapitalizedSoftwareSummaryOfSignificantAccountingPoliciesDomain_797348D3D09A7DC4F9D2F966B6D28628" xlink:to="loc_seic_GlobalWealthPlatformMember_EC586039A37D48E3628AF966B6D21D77" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_3B39B36E1F18A7429243F966B6D24A1B" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_seic_SummaryOfSignificantAccountingPoliciesTable_151641F8500DB876BF0BF966B6D2EEE5" xlink:to="loc_us-gaap_StatementLineItems_3B39B36E1F18A7429243F966B6D24A1B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByParent" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_98F6AE64364DF55EE8A8F966B6D25F26" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_3B39B36E1F18A7429243F966B6D24A1B" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_98F6AE64364DF55EE8A8F966B6D25F26" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_156CFA9E50F137F9CDB5F966B6D25AC6" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_3B39B36E1F18A7429243F966B6D24A1B" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_156CFA9E50F137F9CDB5F966B6D25AC6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_73C6F50A198AE865BAA0F966B6D26B6A" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_3B39B36E1F18A7429243F966B6D24A1B" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_73C6F50A198AE865BAA0F966B6D26B6A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalents" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents_BA5150EF2C21EF249781F966B6D2ED4C" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_3B39B36E1F18A7429243F966B6D24A1B" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalents_BA5150EF2C21EF249781F966B6D2ED4C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_D4C2558369462E2CA3E3F966B6D2ACF2" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_3B39B36E1F18A7429243F966B6D24A1B" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_D4C2558369462E2CA3E3F966B6D2ACF2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalizedComputerSoftwareGross" xlink:label="loc_us-gaap_CapitalizedComputerSoftwareGross_B90AB203A46C3DF339EAF966B6D2B303" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_3B39B36E1F18A7429243F966B6D24A1B" xlink:to="loc_us-gaap_CapitalizedComputerSoftwareGross_B90AB203A46C3DF339EAF966B6D2B303" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalizedComputerSoftwareAccumulatedAmortization" xlink:label="loc_us-gaap_CapitalizedComputerSoftwareAccumulatedAmortization_5C9CEF36218FF880504FF966B6D2A6E3" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_3B39B36E1F18A7429243F966B6D24A1B" xlink:to="loc_us-gaap_CapitalizedComputerSoftwareAccumulatedAmortization_5C9CEF36218FF880504FF966B6D2A6E3" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_CapitalizedSoftwareDevelopmentCostsInProgressAssociatedWithFutureReleasesSummaryOfSignificantAccountingPolicies" xlink:label="loc_seic_CapitalizedSoftwareDevelopmentCostsInProgressAssociatedWithFutureReleasesSummaryOfSignificantAccountingPolicies_24A60701EE44F630FC84F966B6E2D9D9" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_3B39B36E1F18A7429243F966B6D24A1B" xlink:to="loc_seic_CapitalizedSoftwareDevelopmentCostsInProgressAssociatedWithFutureReleasesSummaryOfSignificantAccountingPolicies_24A60701EE44F630FC84F966B6E2D9D9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquireSoftware" xlink:label="loc_us-gaap_PaymentsToAcquireSoftware_38342F13DCE7356D65B6F966B6E2D241" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_3B39B36E1F18A7429243F966B6D24A1B" xlink:to="loc_us-gaap_PaymentsToAcquireSoftware_38342F13DCE7356D65B6F966B6E2D241" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_SoftwareDevelopmentCostUsefulLife" xlink:label="loc_seic_SoftwareDevelopmentCostUsefulLife_89D142C0EBDDCBE85CA5F966B6E2A48C" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_3B39B36E1F18A7429243F966B6D24A1B" xlink:to="loc_seic_SoftwareDevelopmentCostUsefulLife_89D142C0EBDDCBE85CA5F966B6E2A48C" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_CapitalizedSoftwareWeightedAverageRemainingLife" xlink:label="loc_seic_CapitalizedSoftwareWeightedAverageRemainingLife_25656C9DB60C6800051DF966B6E2CE43" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_3B39B36E1F18A7429243F966B6D24A1B" xlink:to="loc_seic_CapitalizedSoftwareWeightedAverageRemainingLife_25656C9DB60C6800051DF966B6E2CE43" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalizedComputerSoftwareAmortization" xlink:label="loc_us-gaap_CapitalizedComputerSoftwareAmortization_E6A5994D2A946F6EC29FF966B6E2451F" xlink:type="locator" />
    <presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_3B39B36E1F18A7429243F966B6D24A1B" xlink:to="loc_us-gaap_CapitalizedComputerSoftwareAmortization_E6A5994D2A946F6EC29FF966B6E2451F" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_AcceleratedAmortizationForGwpAbandonedComponents" xlink:label="loc_seic_AcceleratedAmortizationForGwpAbandonedComponents_610992FCB5A38D96C52AF966B6E25E4A" xlink:type="locator" />
    <presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_3B39B36E1F18A7429243F966B6D24A1B" xlink:to="loc_seic_AcceleratedAmortizationForGwpAbandonedComponents_610992FCB5A38D96C52AF966B6E25E4A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalizedComputerSoftwareImpairments" xlink:label="loc_us-gaap_CapitalizedComputerSoftwareImpairments_D37D6E386E5A88792C23F966B6E249E8" xlink:type="locator" />
    <presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_3B39B36E1F18A7429243F966B6D24A1B" xlink:to="loc_us-gaap_CapitalizedComputerSoftwareImpairments_D37D6E386E5A88792C23F966B6E249E8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossRealized" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossRealized_51B5AD295F3409FC61F1F966B6E2BFD3" xlink:type="locator" />
    <presentationArc order="15" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_3B39B36E1F18A7429243F966B6D24A1B" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossRealized_51B5AD295F3409FC61F1F966B6E2BFD3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_A0F05C4ED4DADD851C75F966B6E206D5" xlink:type="locator" />
    <presentationArc order="16" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_3B39B36E1F18A7429243F966B6D24A1B" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_A0F05C4ED4DADD851C75F966B6E206D5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfNetIncomePerOutstandingUnitAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfNetIncomePerOutstandingUnitAmount_1606C22936FF01852EFBF97112A4065B" xlink:type="locator" />
    <presentationArc order="17" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_3B39B36E1F18A7429243F966B6D24A1B" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfNetIncomePerOutstandingUnitAmount_1606C22936FF01852EFBF97112A4065B" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/SummaryOfSignificantAccountingPoliciesPolicy" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_96542AD3D2BE73F3E5CBF804998FA3F9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NatureOfOperations" xlink:label="loc_us-gaap_NatureOfOperations_EEA760CE9C058AE3A877F804998F01B3" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_96542AD3D2BE73F3E5CBF804998FA3F9" xlink:to="loc_us-gaap_NatureOfOperations_EEA760CE9C058AE3A877F804998F01B3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="loc_us-gaap_ConsolidationPolicyTextBlock_13FAF422EE5055D82EF9F804998FF079" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_96542AD3D2BE73F3E5CBF804998FA3F9" xlink:to="loc_us-gaap_ConsolidationPolicyTextBlock_13FAF422EE5055D82EF9F804998FF079" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConsolidationVariableInterestEntityPolicy" xlink:label="loc_us-gaap_ConsolidationVariableInterestEntityPolicy_D695C6199ACCDB947485F804998F5C71" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_96542AD3D2BE73F3E5CBF804998FA3F9" xlink:to="loc_us-gaap_ConsolidationVariableInterestEntityPolicy_D695C6199ACCDB947485F804998F5C71" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UseOfEstimates" xlink:label="loc_us-gaap_UseOfEstimates_E67D46418F6600B558B4F804998FEFB0" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_96542AD3D2BE73F3E5CBF804998FA3F9" xlink:to="loc_us-gaap_UseOfEstimates_E67D46418F6600B558B4F804998FEFB0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="loc_us-gaap_RevenueRecognitionPolicyTextBlock_8A3512CEEA416F071872F804998FA0DB" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_96542AD3D2BE73F3E5CBF804998FA3F9" xlink:to="loc_us-gaap_RevenueRecognitionPolicyTextBlock_8A3512CEEA416F071872F804998FA0DB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock_A48FDFA0DD12EE58129EF804998F445D" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_96542AD3D2BE73F3E5CBF804998FA3F9" xlink:to="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock_A48FDFA0DD12EE58129EF804998F445D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TradeAndOtherAccountsReceivablePolicy" xlink:label="loc_us-gaap_TradeAndOtherAccountsReceivablePolicy_1F4CE6F69D7C2FC9BC1EF804998FA7AC" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_96542AD3D2BE73F3E5CBF804998FA3F9" xlink:to="loc_us-gaap_TradeAndOtherAccountsReceivablePolicy_1F4CE6F69D7C2FC9BC1EF804998FA7AC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConcentrationRiskCreditRisk" xlink:label="loc_us-gaap_ConcentrationRiskCreditRisk_11E45F7A458BEE4AA5A9F804998F9414" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_96542AD3D2BE73F3E5CBF804998FA3F9" xlink:to="loc_us-gaap_ConcentrationRiskCreditRisk_11E45F7A458BEE4AA5A9F804998F9414" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_5A5A28DB647BAB9ADF82F804998F5366" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_96542AD3D2BE73F3E5CBF804998FA3F9" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_5A5A28DB647BAB9ADF82F804998F5366" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MarketableSecuritiesPolicy" xlink:label="loc_us-gaap_MarketableSecuritiesPolicy_BF66A1FFD5869D50C4EFF804998FD8E3" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_96542AD3D2BE73F3E5CBF804998FA3F9" xlink:to="loc_us-gaap_MarketableSecuritiesPolicy_BF66A1FFD5869D50C4EFF804998FD8E3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:label="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy_C946F0FF6F7E9F506A31F804998FA3A2" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_96542AD3D2BE73F3E5CBF804998FA3F9" xlink:to="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy_C946F0FF6F7E9F506A31F804998FA3A2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SoftwareToBeSoldLeasedOrOtherwiseMarketedPolicy" xlink:label="loc_us-gaap_SoftwareToBeSoldLeasedOrOtherwiseMarketedPolicy_595E7168301627599021F804998F378D" xlink:type="locator" />
    <presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_96542AD3D2BE73F3E5CBF804998FA3F9" xlink:to="loc_us-gaap_SoftwareToBeSoldLeasedOrOtherwiseMarketedPolicy_595E7168301627599021F804998F378D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="loc_us-gaap_IncomeTaxPolicyTextBlock_65B6BC9F7B1770C81684F804998F8E54" xlink:type="locator" />
    <presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_96542AD3D2BE73F3E5CBF804998FA3F9" xlink:to="loc_us-gaap_IncomeTaxPolicyTextBlock_65B6BC9F7B1770C81684F804998F8E54" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:label="loc_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_784E82CA78CC51EB6FA9F804998FE632" xlink:type="locator" />
    <presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_96542AD3D2BE73F3E5CBF804998FA3F9" xlink:to="loc_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_784E82CA78CC51EB6FA9F804998FE632" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="loc_us-gaap_EarningsPerSharePolicyTextBlock_77F3A72D0FAAE7946AC7F804998F6607" xlink:type="locator" />
    <presentationArc order="15" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_96542AD3D2BE73F3E5CBF804998FA3F9" xlink:to="loc_us-gaap_EarningsPerSharePolicyTextBlock_77F3A72D0FAAE7946AC7F804998F6607" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:label="loc_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_6775ED09A3AD8DAD0B57F804998F0894" xlink:type="locator" />
    <presentationArc order="16" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_96542AD3D2BE73F3E5CBF804998FA3F9" xlink:to="loc_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_6775ED09A3AD8DAD0B57F804998F0894" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComparabilityOfPriorYearFinancialData" xlink:label="loc_us-gaap_ComparabilityOfPriorYearFinancialData_F489B620B025363A0C4BF804998FA8EA" xlink:type="locator" />
    <presentationArc order="17" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_96542AD3D2BE73F3E5CBF804998FA3F9" xlink:to="loc_us-gaap_ComparabilityOfPriorYearFinancialData_F489B620B025363A0C4BF804998FA8EA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentsPolicy" xlink:label="loc_us-gaap_EquityMethodInvestmentsPolicy_77243B8F56DFBBABBE74F804998FF2CC" xlink:type="locator" />
    <presentationArc order="18" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_96542AD3D2BE73F3E5CBF804998FA3F9" xlink:to="loc_us-gaap_EquityMethodInvestmentsPolicy_77243B8F56DFBBABBE74F804998FF2CC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MarketableSecuritiesTradingSecuritiesPolicy" xlink:label="loc_us-gaap_MarketableSecuritiesTradingSecuritiesPolicy_6FEC26142E928129A5F4F804998FF3CD" xlink:type="locator" />
    <presentationArc order="19" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_96542AD3D2BE73F3E5CBF804998FA3F9" xlink:to="loc_us-gaap_MarketableSecuritiesTradingSecuritiesPolicy_6FEC26142E928129A5F4F804998FF3CD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IndustrySpecificPoliciesBrokerDealerTextBlock" xlink:label="loc_us-gaap_IndustrySpecificPoliciesBrokerDealerTextBlock_C95E299EFE8DD7825052F804998F01E0" xlink:type="locator" />
    <presentationArc order="20" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_96542AD3D2BE73F3E5CBF804998FA3F9" xlink:to="loc_us-gaap_IndustrySpecificPoliciesBrokerDealerTextBlock_C95E299EFE8DD7825052F804998F01E0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnremittedEarningsInForeignInvestmentPolicy" xlink:label="loc_us-gaap_UnremittedEarningsInForeignInvestmentPolicy_446086CAA19D64E84B6EF804998F0000" xlink:type="locator" />
    <presentationArc order="21" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_96542AD3D2BE73F3E5CBF804998FA3F9" xlink:to="loc_us-gaap_UnremittedEarningsInForeignInvestmentPolicy_446086CAA19D64E84B6EF804998F0000" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_79757ECAB9E532AA72C8F5974C9FB3B7" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_B08D4831A584FCBA4EA3F5974C9F4E93" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_79757ECAB9E532AA72C8F5974C9FB3B7" xlink:to="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_B08D4831A584FCBA4EA3F5974C9F4E93" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/VariableInterestEntitiesInvestmentProducts" xlink:type="extended">
    <loc xlink:href="seic-20121231.xsd#seic_VariableInterestEntitiesInvestmentProductsAbstract" xlink:label="loc_seic_VariableInterestEntitiesInvestmentProductsAbstract_95E24F9826AB241FA5DBB64B46070876" xlink:type="locator" />
    <loc xlink:href="seic-20121231.xsd#seic_VariableInterestEntitiesInvestmentProductsDisclosureTextBlock" xlink:label="loc_seic_VariableInterestEntitiesInvestmentProductsDisclosureTextBlock_3CD5324608D7905F2980B676E363A98C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_seic_VariableInterestEntitiesInvestmentProductsAbstract_95E24F9826AB241FA5DBB64B46070876" xlink:to="loc_seic_VariableInterestEntitiesInvestmentProductsDisclosureTextBlock_3CD5324608D7905F2980B676E363A98C" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.seic.com/role/VariableInterestEntitiesInvestmentProductsDetails" xlink:type="extended">
    <loc xlink:href="seic-20121231.xsd#seic_VariableInterestEntitiesInvestmentProductsAbstract" xlink:label="loc_seic_VariableInterestEntitiesInvestmentProductsAbstract_130750A1C9422E9A4F7C2AC438435FC8" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:label="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_4B58ECDC06FB8801215B2AC43843927A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_seic_VariableInterestEntitiesInvestmentProductsAbstract_130750A1C9422E9A4F7C2AC438435FC8" xlink:to="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_4B58ECDC06FB8801215B2AC43843927A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis" xlink:label="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_E014473AA0DE1E76A6892AC438433132" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_4B58ECDC06FB8801215B2AC43843927A" xlink:to="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_E014473AA0DE1E76A6892AC438433132" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:label="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_B29368920E24125B8EE52AC438433478" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_E014473AA0DE1E76A6892AC438433132" xlink:to="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_B29368920E24125B8EE52AC438433478" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_VariableInterestEntityLineItems" xlink:label="loc_us-gaap_VariableInterestEntityLineItems_9BDB2F76E9B8B694DC292AC4384398B4" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_4B58ECDC06FB8801215B2AC43843927A" xlink:to="loc_us-gaap_VariableInterestEntityLineItems_9BDB2F76E9B8B694DC292AC4384398B4" xlink:type="arc" />
    <loc xlink:href="seic-20121231.xsd#seic_PercentageNotApproachedByExpectedReturnOnAnyVieInvestment" xlink:label="loc_seic_PercentageNotApproachedByExpectedReturnOnAnyVieInvestment_48F1CB12E293FD018ED32AC438439136" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_seic_VariableInterestEntitiesInvestmentProductsAbstract_130750A1C9422E9A4F7C2AC438435FC8" xlink:to="loc_seic_PercentageNotApproachedByExpectedReturnOnAnyVieInvestment_48F1CB12E293FD018ED32AC438439136" xlink:type="arc" />
  </presentationLink>
</linkbase>
