<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<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.amg.com/role/AffiliateEquity" xlink:href="amg-20160331.xsd#AffiliateEquity" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/AffiliateEquityAffiliatedEquityDetails" xlink:href="amg-20160331.xsd#AffiliateEquityAffiliatedEquityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/AffiliateEquityScheduleOfChangesInCompanysInterestInItsAffiliatesOnControllingInterestsEquityDetails" xlink:href="amg-20160331.xsd#AffiliateEquityScheduleOfChangesInCompanysInterestInItsAffiliatesOnControllingInterestsEquityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/AffiliateEquityScheduleOfChangesInRedeemableNonControllingInterestsDetails" xlink:href="amg-20160331.xsd#AffiliateEquityScheduleOfChangesInRedeemableNonControllingInterestsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/AffiliateEquitySummaryOfAffiliateEquityRecognizedAndUnrecognizedExpenseDetails" xlink:href="amg-20160331.xsd#AffiliateEquitySummaryOfAffiliateEquityRecognizedAndUnrecognizedExpenseDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/AffiliateEquityTables" xlink:href="amg-20160331.xsd#AffiliateEquityTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/BasisOfPresentationAndUseOfEstimates" xlink:href="amg-20160331.xsd#BasisOfPresentationAndUseOfEstimates" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/BasisOfPresentationAndUseOfEstimatesPolicies" xlink:href="amg-20160331.xsd#BasisOfPresentationAndUseOfEstimatesPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/CommitmentsAndContingencies" xlink:href="amg-20160331.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/CommitmentsAndContingenciesDetails" xlink:href="amg-20160331.xsd#CommitmentsAndContingenciesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/ComprehensiveIncome" xlink:href="amg-20160331.xsd#ComprehensiveIncome" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/ComprehensiveIncomeScheduleOfComponentsOfAccumulatedOtherComprehensiveIncomeDetails" xlink:href="amg-20160331.xsd#ComprehensiveIncomeScheduleOfComponentsOfAccumulatedOtherComprehensiveIncomeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/ComprehensiveIncomeSummaryOfTaxEffectsAllocatedToEachComponentOfOtherComprehensiveIncomedetails" xlink:href="amg-20160331.xsd#ComprehensiveIncomeSummaryOfTaxEffectsAllocatedToEachComponentOfOtherComprehensiveIncomedetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/ComprehensiveIncomeTables" xlink:href="amg-20160331.xsd#ComprehensiveIncomeTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/ConsolidatedBalanceSheetsUnaudited" xlink:href="amg-20160331.xsd#ConsolidatedBalanceSheetsUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" xlink:href="amg-20160331.xsd#ConsolidatedStatementsOfCashFlowsUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/ConsolidatedStatementsOfChangesInEquityUnaudited" xlink:href="amg-20160331.xsd#ConsolidatedStatementsOfChangesInEquityUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/ConsolidatedStatementsOfComprehensiveIncomeUnaudited" xlink:href="amg-20160331.xsd#ConsolidatedStatementsOfComprehensiveIncomeUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/ConsolidatedStatementsOfIncomeUnaudited" xlink:href="amg-20160331.xsd#ConsolidatedStatementsOfIncomeUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/DocumentAndEntityInformation" xlink:href="amg-20160331.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/EarningsPerShare" xlink:href="amg-20160331.xsd#EarningsPerShare" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/EarningsPerShareScheduleOfBasicAndDilutedEarningsPerShareDetails" xlink:href="amg-20160331.xsd#EarningsPerShareScheduleOfBasicAndDilutedEarningsPerShareDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/EarningsPerShareScheduleOfSharesExcludedFromCalculationOfBasicAndDilutedEarningsPerShareDetails" xlink:href="amg-20160331.xsd#EarningsPerShareScheduleOfSharesExcludedFromCalculationOfBasicAndDilutedEarningsPerShareDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/EarningsPerShareTables" xlink:href="amg-20160331.xsd#EarningsPerShareTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/FairValueMeasurements" xlink:href="amg-20160331.xsd#FairValueMeasurements" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/FairValueMeasurementsScheduleOfChangesInLevel3AssetsAndLiabilitiesDetails" xlink:href="amg-20160331.xsd#FairValueMeasurementsScheduleOfChangesInLevel3AssetsAndLiabilitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/FairValueMeasurementsScheduleOfFairValueOfAssetsAndLiabilitiesMeasuredOnRecurringBasisDetails" xlink:href="amg-20160331.xsd#FairValueMeasurementsScheduleOfFairValueOfAssetsAndLiabilitiesMeasuredOnRecurringBasisDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/FairValueMeasurementsScheduleOfQuantitativeInformationUsedInValuingLevel3LiabilitiesDetails" xlink:href="amg-20160331.xsd#FairValueMeasurementsScheduleOfQuantitativeInformationUsedInValuingLevel3LiabilitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/FairValueMeasurementsSummaryOfFinancialAssetsAndLiabilitiesNotCarriedAtFairValueDetails" xlink:href="amg-20160331.xsd#FairValueMeasurementsSummaryOfFinancialAssetsAndLiabilitiesNotCarriedAtFairValueDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/FairValueMeasurementsSummaryOfInvestmentsInCertainEntitiesThatCalculateNetAssetValueDetails" xlink:href="amg-20160331.xsd#FairValueMeasurementsSummaryOfInvestmentsInCertainEntitiesThatCalculateNetAssetValueDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/FairValueMeasurementsTables" xlink:href="amg-20160331.xsd#FairValueMeasurementsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/IncomeTaxes" xlink:href="amg-20160331.xsd#IncomeTaxes" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/IncomeTaxesDetails" xlink:href="amg-20160331.xsd#IncomeTaxesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/IncomeTaxesScheduleOfIncomeTaxProvisionsByControllingAndNoncontrollingInterestsDetails" xlink:href="amg-20160331.xsd#IncomeTaxesScheduleOfIncomeTaxProvisionsByControllingAndNoncontrollingInterestsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/IncomeTaxesTables" xlink:href="amg-20160331.xsd#IncomeTaxesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/IntangibleAssets" xlink:href="amg-20160331.xsd#IntangibleAssets" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/IntangibleAssetsDetails" xlink:href="amg-20160331.xsd#IntangibleAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/IntangibleAssetsScheduleOfChangesInComponentsOfAcquiredClientRelationshipsDetails" xlink:href="amg-20160331.xsd#IntangibleAssetsScheduleOfChangesInComponentsOfAcquiredClientRelationshipsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/IntangibleAssetsScheduleOfChangesInGoodwillDetails" xlink:href="amg-20160331.xsd#IntangibleAssetsScheduleOfChangesInGoodwillDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/IntangibleAssetsTables" xlink:href="amg-20160331.xsd#IntangibleAssetsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/InvestmentsInMarketableSecurities" xlink:href="amg-20160331.xsd#InvestmentsInMarketableSecurities" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/InvestmentsInMarketableSecuritiesScheduleOfAvailableForSaleAndTradingSecuritiesDetails" xlink:href="amg-20160331.xsd#InvestmentsInMarketableSecuritiesScheduleOfAvailableForSaleAndTradingSecuritiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/InvestmentsInMarketableSecuritiesTables" xlink:href="amg-20160331.xsd#InvestmentsInMarketableSecuritiesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/PrinciplesOfConsolidation" xlink:href="amg-20160331.xsd#PrinciplesOfConsolidation" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/RecentAccountingDevelopments" xlink:href="amg-20160331.xsd#RecentAccountingDevelopments" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/SegmentInformation" xlink:href="amg-20160331.xsd#SegmentInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/SegmentInformationScheduleOfSegmentInformationDetails" xlink:href="amg-20160331.xsd#SegmentInformationScheduleOfSegmentInformationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/SegmentInformationScheduleOfSegmentInformationDetailsCalc2" xlink:href="amg-20160331.xsd#SegmentInformationScheduleOfSegmentInformationDetailsCalc2" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/SegmentInformationTables" xlink:href="amg-20160331.xsd#SegmentInformationTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/ShareBasedCompensation" xlink:href="amg-20160331.xsd#ShareBasedCompensation" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/ShareBasedCompensationScheduleOfCompanyRestrictedStockUnitTransactionsDetails" xlink:href="amg-20160331.xsd#ShareBasedCompensationScheduleOfCompanyRestrictedStockUnitTransactionsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/ShareBasedCompensationScheduleOfTransactionsOfCompanysStockOptionsDetails" xlink:href="amg-20160331.xsd#ShareBasedCompensationScheduleOfTransactionsOfCompanysStockOptionsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/ShareBasedCompensationShareBasedCompensationScheduleOfFairValueOptionsGrantedAndAssumptionsDetails" xlink:href="amg-20160331.xsd#ShareBasedCompensationShareBasedCompensationScheduleOfFairValueOptionsGrantedAndAssumptionsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/ShareBasedCompensationSummaryOfShareBasedCompensationDetails" xlink:href="amg-20160331.xsd#ShareBasedCompensationSummaryOfShareBasedCompensationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/ShareBasedCompensationTables" xlink:href="amg-20160331.xsd#ShareBasedCompensationTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/VariableInterestEntities" xlink:href="amg-20160331.xsd#VariableInterestEntities" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/VariableInterestEntitiesScheduleOfUnconsolidatedViesAndCompanyRiskDetails" xlink:href="amg-20160331.xsd#VariableInterestEntitiesScheduleOfUnconsolidatedViesAndCompanyRiskDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amg.com/role/VariableInterestEntitiesTables" xlink:href="amg-20160331.xsd#VariableInterestEntitiesTables" xlink:type="simple" />
  <calculationLink xlink:role="http://www.amg.com/role/AffiliateEquity" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/AffiliateEquityAffiliatedEquityDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/AffiliateEquityScheduleOfChangesInCompanysInterestInItsAffiliatesOnControllingInterestsEquityDetails" xlink:type="extended">
    <loc xlink:href="amg-20160331.xsd#amg_IncreaseDecreaseInEquityDueToProfitLossAndNetTransfersWithNoncontrollingInterests" xlink:label="loc_amg_IncreaseDecreaseInEquityDueToProfitLossAndNetTransfersWithNoncontrollingInterests_22fbcd11-95b0-4cee-99a7-c581315ba8c9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_e62ce8b8-4401-2622-8598-3e644745e95e" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amg_IncreaseDecreaseInEquityDueToProfitLossAndNetTransfersWithNoncontrollingInterests_22fbcd11-95b0-4cee-99a7-c581315ba8c9" xlink:to="loc_us-gaap_NetIncomeLoss_e62ce8b8-4401-2622-8598-3e644745e95e" xlink:type="arc" />
    <loc xlink:href="amg-20160331.xsd#amg_AdjustmentsToAdditionalPaidInCapitalIncreaseDecreaseInCarryingAmountOfRedeemableNoncontrollingInterests" xlink:label="loc_amg_AdjustmentsToAdditionalPaidInCapitalIncreaseDecreaseInCarryingAmountOfRedeemableNoncontrollingInterests_8737995b-a900-5826-f828-c5813199f1eb" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amg_IncreaseDecreaseInEquityDueToProfitLossAndNetTransfersWithNoncontrollingInterests_22fbcd11-95b0-4cee-99a7-c581315ba8c9" xlink:to="loc_amg_AdjustmentsToAdditionalPaidInCapitalIncreaseDecreaseInCarryingAmountOfRedeemableNoncontrollingInterests_8737995b-a900-5826-f828-c5813199f1eb" xlink:type="arc" />
    <loc xlink:href="amg-20160331.xsd#amg_AdjustmentstoAdditionalPaidinCapitalDecreaseinCarryingAmountofRedeemableNoncontrollingInterests" xlink:label="loc_amg_AdjustmentstoAdditionalPaidinCapitalDecreaseinCarryingAmountofRedeemableNoncontrollingInterests_2CF01913B1A8B4631935D17F5FCE3ACC" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amg_IncreaseDecreaseInEquityDueToProfitLossAndNetTransfersWithNoncontrollingInterests_22fbcd11-95b0-4cee-99a7-c581315ba8c9" xlink:to="loc_amg_AdjustmentstoAdditionalPaidinCapitalDecreaseinCarryingAmountofRedeemableNoncontrollingInterests_2CF01913B1A8B4631935D17F5FCE3ACC" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.amg.com/role/AffiliateEquityScheduleOfChangesInRedeemableNonControllingInterestsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/AffiliateEquitySummaryOfAffiliateEquityRecognizedAndUnrecognizedExpenseDetails" xlink:type="extended">
    <loc xlink:href="amg-20160331.xsd#amg_CompensationExpensesRelatedToAffiliateEquity" xlink:label="loc_amg_CompensationExpensesRelatedToAffiliateEquity_0ff47ee6-7a97-8382-1956-c581316af3ff" xlink:type="locator" />
    <loc xlink:href="amg-20160331.xsd#amg_CompensationExpensesRelatedToAffiliateEquityAttributableToControllingInterest" xlink:label="loc_amg_CompensationExpensesRelatedToAffiliateEquityAttributableToControllingInterest_822d21db-bf9b-c06f-d8a8-c581319950c9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amg_CompensationExpensesRelatedToAffiliateEquity_0ff47ee6-7a97-8382-1956-c581316af3ff" xlink:to="loc_amg_CompensationExpensesRelatedToAffiliateEquityAttributableToControllingInterest_822d21db-bf9b-c06f-d8a8-c581319950c9" xlink:type="arc" />
    <loc xlink:href="amg-20160331.xsd#amg_AffiliateEquityCompensationExpenseTaxBenefitExpense" xlink:label="loc_amg_AffiliateEquityCompensationExpenseTaxBenefitExpense_3668887a-e1d6-79af-95fb-c581316aa937" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amg_CompensationExpensesRelatedToAffiliateEquity_0ff47ee6-7a97-8382-1956-c581316af3ff" xlink:to="loc_amg_AffiliateEquityCompensationExpenseTaxBenefitExpense_3668887a-e1d6-79af-95fb-c581316aa937" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.amg.com/role/AffiliateEquityTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/BasisOfPresentationAndUseOfEstimates" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/BasisOfPresentationAndUseOfEstimatesPolicies" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/CommitmentsAndContingencies" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/CommitmentsAndContingenciesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/ComprehensiveIncome" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/ComprehensiveIncomeScheduleOfComponentsOfAccumulatedOtherComprehensiveIncomeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_e716acb8-9d7f-1564-a267-c0491db420a5" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_9cb44be5-2a71-02f6-ec1b-e73ec75bdeb8" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_e716acb8-9d7f-1564-a267-c0491db420a5" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_9cb44be5-2a71-02f6-ec1b-e73ec75bdeb8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_899dfaa0-0733-036e-1b68-7a4e8ba40bf8" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_e716acb8-9d7f-1564-a267-c0491db420a5" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_899dfaa0-0733-036e-1b68-7a4e8ba40bf8" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.amg.com/role/ComprehensiveIncomeSummaryOfTaxEffectsAllocatedToEachComponentOfOtherComprehensiveIncomedetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_58e3e908-4af5-683d-5a7a-0ca47c8e456d" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_01d4ad47-cae9-4c92-0f76-4a1ef3b23b7f" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_58e3e908-4af5-683d-5a7a-0ca47c8e456d" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_01d4ad47-cae9-4c92-0f76-4a1ef3b23b7f" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_e31c69cc-f9fc-9854-fa97-e3fe35a62c92" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_01d4ad47-cae9-4c92-0f76-4a1ef3b23b7f" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_e31c69cc-f9fc-9854-fa97-e3fe35a62c92" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax_c26d9a76-abe1-d89f-914b-96f5e55f6a5c" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_01d4ad47-cae9-4c92-0f76-4a1ef3b23b7f" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax_c26d9a76-abe1-d89f-914b-96f5e55f6a5c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax_dbbc809d-7b72-e35e-a843-722310509913" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_01d4ad47-cae9-4c92-0f76-4a1ef3b23b7f" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax_dbbc809d-7b72-e35e-a843-722310509913" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTax_87c36270-1df1-292c-84be-35c80760d032" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_58e3e908-4af5-683d-5a7a-0ca47c8e456d" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossTax_87c36270-1df1-292c-84be-35c80760d032" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax_36ec1a4d-b487-282e-9688-528ff1c407d8" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossTax_87c36270-1df1-292c-84be-35c80760d032" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax_36ec1a4d-b487-282e-9688-528ff1c407d8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax_0741d1ec-b273-948a-af99-907f3b4ac4cb" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossTax_87c36270-1df1-292c-84be-35c80760d032" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax_0741d1ec-b273-948a-af99-907f3b4ac4cb" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax_2a51a449-9fb3-7ded-3eee-836a96688eaf" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossTax_87c36270-1df1-292c-84be-35c80760d032" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax_2a51a449-9fb3-7ded-3eee-836a96688eaf" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_8449f638-e094-e8fc-6726-9e09a5f21c54" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_8449f638-e094-e8fc-6726-9e09a5f21c54" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax_dbbc809d-7b72-e35e-a843-722310509913" xlink:type="arc" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_8449f638-e094-e8fc-6726-9e09a5f21c54" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax_2a51a449-9fb3-7ded-3eee-836a96688eaf" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_7443b8c0-35a8-1f56-7e6b-5e71bdbce930" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_7443b8c0-35a8-1f56-7e6b-5e71bdbce930" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax_c26d9a76-abe1-d89f-914b-96f5e55f6a5c" xlink:type="arc" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_7443b8c0-35a8-1f56-7e6b-5e71bdbce930" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax_36ec1a4d-b487-282e-9688-528ff1c407d8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_fbd5cad0-09ca-a68e-f9d5-77ff2ba61ae4" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_fbd5cad0-09ca-a68e-f9d5-77ff2ba61ae4" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_e31c69cc-f9fc-9854-fa97-e3fe35a62c92" xlink:type="arc" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_fbd5cad0-09ca-a68e-f9d5-77ff2ba61ae4" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax_0741d1ec-b273-948a-af99-907f3b4ac4cb" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.amg.com/role/ComprehensiveIncomeTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/ConsolidatedBalanceSheetsUnaudited" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_cd34decb-53b6-e0a9-28d5-0a9741c4b0f8" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_cd34decb-53b6-e0a9-28d5-0a9741c4b0f8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsReceivableNet" xlink:label="loc_us-gaap_AccountsReceivableNet_70ba54db-2944-a735-13b2-febb7d7e1d9d" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_AccountsReceivableNet_70ba54db-2944-a735-13b2-febb7d7e1d9d" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MarketableSecurities" xlink:label="loc_us-gaap_MarketableSecurities_f1fc4a92-401e-376e-32d8-5f2bddc267cb" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_MarketableSecurities_f1fc4a92-401e-376e-32d8-5f2bddc267cb" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherInvestments" xlink:label="loc_us-gaap_OtherInvestments_31cebd9a-0b32-257c-144d-721d4be1c090" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_OtherInvestments_31cebd9a-0b32-257c-144d-721d4be1c090" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_7ce178a4-245f-fa78-36a1-552609a67554" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_7ce178a4-245f-fa78-36a1-552609a67554" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_b108d604-1348-4e65-3817-2944b734c65a" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_Goodwill_b108d604-1348-4e65-3817-2944b734c65a" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_894a128f-2068-d267-1e3e-64c93d0ed5ca" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_894a128f-2068-d267-1e3e-64c93d0ed5ca" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:label="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_f8997f17-8864-7436-3fb0-adaa3dd1f50d" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_f8997f17-8864-7436-3fb0-adaa3dd1f50d" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherAssets" xlink:label="loc_us-gaap_OtherAssets_b3090934-8a46-705d-b2a1-f192f64fe191" xlink:type="locator" />
    <calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_OtherAssets_b3090934-8a46-705d-b2a1-f192f64fe191" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_4a314f0d-c6fa-5cf2-0be1-add747465af3" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_4a314f0d-c6fa-5cf2-0be1-add747465af3" xlink:to="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_9210187e-cdda-2312-446f-000237db141c" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:to="loc_us-gaap_LongTermDebt_9210187e-cdda-2312-446f-000237db141c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SeniorNotes" xlink:label="loc_us-gaap_SeniorNotes_b62538ef-d1ab-9997-1dfb-a6113874b22f" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:to="loc_us-gaap_SeniorNotes_b62538ef-d1ab-9997-1dfb-a6113874b22f" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConvertibleDebt" xlink:label="loc_us-gaap_ConvertibleDebt_6091d733-3079-3b54-6f0b-05369e0272ac" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:to="loc_us-gaap_ConvertibleDebt_6091d733-3079-3b54-6f0b-05369e0272ac" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxLiabilities" xlink:label="loc_us-gaap_DeferredTaxLiabilities_f790ef08-9e64-0989-2e62-f1a00cb26d64" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:to="loc_us-gaap_DeferredTaxLiabilities_f790ef08-9e64-0989-2e62-f1a00cb26d64" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherLiabilities" xlink:label="loc_us-gaap_OtherLiabilities_d7b6985e-cae4-a764-0321-aae10c57fb01" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:to="loc_us-gaap_OtherLiabilities_d7b6985e-cae4-a764-0321-aae10c57fb01" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_fcd278b6-8e24-0a5d-971d-6bcafdcb6d74" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_fcd278b6-8e24-0a5d-971d-6bcafdcb6d74" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount" xlink:label="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_659662eb-c2df-fc96-19bb-5136227dcce2" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_4a314f0d-c6fa-5cf2-0be1-add747465af3" xlink:to="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_659662eb-c2df-fc96-19bb-5136227dcce2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_9a5c5aff-ee63-a4f2-571a-3515b5d26a3b" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_4a314f0d-c6fa-5cf2-0be1-add747465af3" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_9a5c5aff-ee63-a4f2-571a-3515b5d26a3b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_d0f349aa-18e3-6323-86ad-665f8773c064" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_9a5c5aff-ee63-a4f2-571a-3515b5d26a3b" xlink:to="loc_us-gaap_StockholdersEquity_d0f349aa-18e3-6323-86ad-665f8773c064" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquityBeforeTreasuryStock" xlink:label="loc_us-gaap_StockholdersEquityBeforeTreasuryStock_f5c023a3-008c-a4b0-267e-21a99db51726" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_d0f349aa-18e3-6323-86ad-665f8773c064" xlink:to="loc_us-gaap_StockholdersEquityBeforeTreasuryStock_f5c023a3-008c-a4b0-267e-21a99db51726" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_ce40a301-9b6b-9fc3-bfb6-dfbb8fcdf29b" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityBeforeTreasuryStock_f5c023a3-008c-a4b0-267e-21a99db51726" xlink:to="loc_us-gaap_CommonStockValue_ce40a301-9b6b-9fc3-bfb6-dfbb8fcdf29b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_8d1ec446-d346-e57d-d34b-0cb90bceaaba" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityBeforeTreasuryStock_f5c023a3-008c-a4b0-267e-21a99db51726" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_8d1ec446-d346-e57d-d34b-0cb90bceaaba" xlink:type="arc" />
    <loc xlink:href="amg-20160331.xsd#amg_AccumulatedOtherComprehensiveIncomeLossAttributableToParentNetOfTax" xlink:label="loc_amg_AccumulatedOtherComprehensiveIncomeLossAttributableToParentNetOfTax_a80e1a4c-aa87-e95f-4e86-c5813199e5e9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityBeforeTreasuryStock_f5c023a3-008c-a4b0-267e-21a99db51726" xlink:to="loc_amg_AccumulatedOtherComprehensiveIncomeLossAttributableToParentNetOfTax_a80e1a4c-aa87-e95f-4e86-c5813199e5e9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_1d565cd0-d7bf-de89-4dbe-a484007b1fe8" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityBeforeTreasuryStock_f5c023a3-008c-a4b0-267e-21a99db51726" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_1d565cd0-d7bf-de89-4dbe-a484007b1fe8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_0b2a392d-b5d5-0c30-4a0c-bcaab86d8160" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_d0f349aa-18e3-6323-86ad-665f8773c064" xlink:to="loc_us-gaap_TreasuryStockValue_0b2a392d-b5d5-0c30-4a0c-bcaab86d8160" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherMinorityInterests" xlink:label="loc_us-gaap_OtherMinorityInterests_ab917cfe-fe8a-eee0-8b47-6bd9b1fc3f70" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_9a5c5aff-ee63-a4f2-571a-3515b5d26a3b" xlink:to="loc_us-gaap_OtherMinorityInterests_ab917cfe-fe8a-eee0-8b47-6bd9b1fc3f70" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_53d4115f-c3d1-6e9c-3f23-fd144b27061e" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_4a314f0d-c6fa-5cf2-0be1-add747465af3" xlink:to="loc_us-gaap_CommitmentsAndContingencies_53d4115f-c3d1-6e9c-3f23-fd144b27061e" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.amg.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInContinuingOperations_2aa673b2-67f5-95c4-9233-f8daf616ca67" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_2ccd1614-9a87-83c1-3be9-8188ac1300a8" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInContinuingOperations_2aa673b2-67f5-95c4-9233-f8daf616ca67" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_2ccd1614-9a87-83c1-3be9-8188ac1300a8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_5f8983ec-dfa4-10d0-f53d-c0676300a16f" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_2ccd1614-9a87-83c1-3be9-8188ac1300a8" xlink:to="loc_us-gaap_ProfitLoss_5f8983ec-dfa4-10d0-f53d-c0676300a16f" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_682e13ed-74ef-f976-16fa-3796f1bc898f" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_2ccd1614-9a87-83c1-3be9-8188ac1300a8" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_682e13ed-74ef-f976-16fa-3796f1bc898f" xlink:type="arc" />
    <loc xlink:href="amg-20160331.xsd#amg_DepreciationAndOtherAmortization" xlink:label="loc_amg_DepreciationAndOtherAmortization_4dd8ad9d-a121-3651-44c7-c58131f7a964" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_2ccd1614-9a87-83c1-3be9-8188ac1300a8" xlink:to="loc_amg_DepreciationAndOtherAmortization_4dd8ad9d-a121-3651-44c7-c58131f7a964" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_8b437d2d-6bbf-1f71-a341-6d3ac2b36703" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_2ccd1614-9a87-83c1-3be9-8188ac1300a8" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_8b437d2d-6bbf-1f71-a341-6d3ac2b36703" xlink:type="arc" />
    <loc xlink:href="amg-20160331.xsd#amg_ImputedInterestExpenseIncomeAndContingentPaymentArrangements" xlink:label="loc_amg_ImputedInterestExpenseIncomeAndContingentPaymentArrangements_34CB27FC1D19C814CE066F6E7647D3E8" xlink:type="locator" />
    <calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_2ccd1614-9a87-83c1-3be9-8188ac1300a8" xlink:to="loc_amg_ImputedInterestExpenseIncomeAndContingentPaymentArrangements_34CB27FC1D19C814CE066F6E7647D3E8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_b71b86f8-adb0-6f61-c3a9-37e1e67b4d68" xlink:type="locator" />
    <calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_2ccd1614-9a87-83c1-3be9-8188ac1300a8" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_b71b86f8-adb0-6f61-c3a9-37e1e67b4d68" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvestmentDividendsOrDistributions" xlink:label="loc_us-gaap_EquityMethodInvestmentDividendsOrDistributions_0e5a2a64-8b1d-dac0-216b-5578fd3b85d8" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_2ccd1614-9a87-83c1-3be9-8188ac1300a8" xlink:to="loc_us-gaap_EquityMethodInvestmentDividendsOrDistributions_0e5a2a64-8b1d-dac0-216b-5578fd3b85d8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_d4c99b59-c44a-c4ac-309f-0bddfdb944a5" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_2ccd1614-9a87-83c1-3be9-8188ac1300a8" xlink:to="loc_us-gaap_ShareBasedCompensation_d4c99b59-c44a-c4ac-309f-0bddfdb944a5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_8a9fbf97-3c14-4351-6d6b-553e136a9df1" xlink:type="locator" />
    <calculationArc order="9" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_2ccd1614-9a87-83c1-3be9-8188ac1300a8" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_8a9fbf97-3c14-4351-6d6b-553e136a9df1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_91d80b53-6368-7466-a11d-02030d33de5c" xlink:type="locator" />
    <calculationArc order="10" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_2ccd1614-9a87-83c1-3be9-8188ac1300a8" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_91d80b53-6368-7466-a11d-02030d33de5c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_709900d0-f7b0-b950-eae5-eeb8fc36b367" xlink:type="locator" />
    <calculationArc order="11" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_2ccd1614-9a87-83c1-3be9-8188ac1300a8" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_709900d0-f7b0-b950-eae5-eeb8fc36b367" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingLiabilities_b7007837-064d-eb68-36f2-6dfcb2b81f88" xlink:type="locator" />
    <calculationArc order="12" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_2ccd1614-9a87-83c1-3be9-8188ac1300a8" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingLiabilities_b7007837-064d-eb68-36f2-6dfcb2b81f88" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_9b0336f3-1570-e518-771d-91dfd9dbbc96" xlink:type="locator" />
    <calculationArc order="13" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_2ccd1614-9a87-83c1-3be9-8188ac1300a8" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_9b0336f3-1570-e518-771d-91dfd9dbbc96" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_1399ec7f-d333-641c-d0c0-2d49567c2e2a" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInContinuingOperations_2aa673b2-67f5-95c4-9233-f8daf616ca67" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_1399ec7f-d333-641c-d0c0-2d49567c2e2a" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates" xlink:label="loc_us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates_49e614e9-bbfe-4bdb-2512-075024832489" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_1399ec7f-d333-641c-d0c0-2d49567c2e2a" xlink:to="loc_us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates_49e614e9-bbfe-4bdb-2512-075024832489" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_386292ff-155c-0309-455a-2b91b395b3da" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_1399ec7f-d333-641c-d0c0-2d49567c2e2a" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_386292ff-155c-0309-455a-2b91b395b3da" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquireMarketableSecurities" xlink:label="loc_us-gaap_PaymentsToAcquireMarketableSecurities_b50bc0fe-5a45-ab8f-d888-988ef6477f74" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_1399ec7f-d333-641c-d0c0-2d49567c2e2a" xlink:to="loc_us-gaap_PaymentsToAcquireMarketableSecurities_b50bc0fe-5a45-ab8f-d888-988ef6477f74" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_2c8955f9-62e0-a544-62b8-ab524d07f0c3" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_1399ec7f-d333-641c-d0c0-2d49567c2e2a" xlink:to="loc_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_2c8955f9-62e0-a544-62b8-ab524d07f0c3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_e5890061-8327-8e2a-3fbd-6d1690a72b44" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInContinuingOperations_2aa673b2-67f5-95c4-9233-f8daf616ca67" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_e5890061-8327-8e2a-3fbd-6d1690a72b44" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromLongTermLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_b73a7a42-8148-cb80-1a87-b515f0d1ea79" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_e5890061-8327-8e2a-3fbd-6d1690a72b44" xlink:to="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_b73a7a42-8148-cb80-1a87-b515f0d1ea79" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepaymentsOfLongTermLinesOfCredit" xlink:label="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_f5a241f9-04d4-309b-9b65-a2b4145507c8" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_e5890061-8327-8e2a-3fbd-6d1690a72b44" xlink:to="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_f5a241f9-04d4-309b-9b65-a2b4145507c8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_8c608436-f07c-e907-aa0d-bfd819a80a12" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_e5890061-8327-8e2a-3fbd-6d1690a72b44" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_8c608436-f07c-e907-aa0d-bfd819a80a12" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_4c2e87e5-41d0-b35b-6dfd-e3ab5b253709" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_e5890061-8327-8e2a-3fbd-6d1690a72b44" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_4c2e87e5-41d0-b35b-6dfd-e3ab5b253709" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfOtherLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfOtherLongTermDebt_3cae8e47-1ebb-f1af-3e4f-6a668f78c986" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_e5890061-8327-8e2a-3fbd-6d1690a72b44" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfOtherLongTermDebt_3cae8e47-1ebb-f1af-3e4f-6a668f78c986" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsOfDividendsMinorityInterest" xlink:label="loc_us-gaap_PaymentsOfDividendsMinorityInterest_cce3d520-309d-6212-9247-868ee853c70f" xlink:type="locator" />
    <calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_e5890061-8327-8e2a-3fbd-6d1690a72b44" xlink:to="loc_us-gaap_PaymentsOfDividendsMinorityInterest_cce3d520-309d-6212-9247-868ee853c70f" xlink:type="arc" />
    <loc xlink:href="amg-20160331.xsd#amg_ProceedsFromPaymentsForAffiliateEquityIssuancesAndRepurchases" xlink:label="loc_amg_ProceedsFromPaymentsForAffiliateEquityIssuancesAndRepurchases_7304aca2-ee7c-5d7b-38e7-c58131e70174" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_e5890061-8327-8e2a-3fbd-6d1690a72b44" xlink:to="loc_amg_ProceedsFromPaymentsForAffiliateEquityIssuancesAndRepurchases_7304aca2-ee7c-5d7b-38e7-c58131e70174" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_9dbeb004-67a9-1b19-c357-8b5cbf0013ee" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_e5890061-8327-8e2a-3fbd-6d1690a72b44" xlink:to="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_9dbeb004-67a9-1b19-c357-8b5cbf0013ee" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_03b01b21-9333-5ba7-dbad-c8702c225fae" xlink:type="locator" />
    <calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_e5890061-8327-8e2a-3fbd-6d1690a72b44" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_03b01b21-9333-5ba7-dbad-c8702c225fae" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations_791aba78-3ace-4eb4-b202-a0c54f2572bf" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInContinuingOperations_2aa673b2-67f5-95c4-9233-f8daf616ca67" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations_791aba78-3ace-4eb4-b202-a0c54f2572bf" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.amg.com/role/ConsolidatedStatementsOfChangesInEquityUnaudited" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/ConsolidatedStatementsOfComprehensiveIncomeUnaudited" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_640557c9-9806-6bef-9084-9cc792948f77" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_038f4602-9abc-1f60-05a2-6f69306a77ae" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_640557c9-9806-6bef-9084-9cc792948f77" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_038f4602-9abc-1f60-05a2-6f69306a77ae" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_5f8983ec-dfa4-10d0-f53d-c0676300a16f" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_038f4602-9abc-1f60-05a2-6f69306a77ae" xlink:to="loc_us-gaap_ProfitLoss_5f8983ec-dfa4-10d0-f53d-c0676300a16f" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_58e3e908-4af5-683d-5a7a-0ca47c8e456d" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_038f4602-9abc-1f60-05a2-6f69306a77ae" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_58e3e908-4af5-683d-5a7a-0ca47c8e456d" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_fbd5cad0-09ca-a68e-f9d5-77ff2ba61ae4" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_58e3e908-4af5-683d-5a7a-0ca47c8e456d" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_fbd5cad0-09ca-a68e-f9d5-77ff2ba61ae4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_7443b8c0-35a8-1f56-7e6b-5e71bdbce930" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_58e3e908-4af5-683d-5a7a-0ca47c8e456d" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_7443b8c0-35a8-1f56-7e6b-5e71bdbce930" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_8449f638-e094-e8fc-6726-9e09a5f21c54" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_58e3e908-4af5-683d-5a7a-0ca47c8e456d" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_8449f638-e094-e8fc-6726-9e09a5f21c54" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_560dfcb1-0fb6-5ffa-6e3b-8257ed923a94" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_640557c9-9806-6bef-9084-9cc792948f77" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_560dfcb1-0fb6-5ffa-6e3b-8257ed923a94" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.amg.com/role/ConsolidatedStatementsOfIncomeUnaudited" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_e62ce8b8-4401-2622-8598-3e644745e95e" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_5f8983ec-dfa4-10d0-f53d-c0676300a16f" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_e62ce8b8-4401-2622-8598-3e644745e95e" xlink:to="loc_us-gaap_ProfitLoss_5f8983ec-dfa4-10d0-f53d-c0676300a16f" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2c8c6c89-9465-bb81-ea21-29a749a3199b" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_5f8983ec-dfa4-10d0-f53d-c0676300a16f" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2c8c6c89-9465-bb81-ea21-29a749a3199b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_0ea1551e-1643-5e21-4c6e-6431fd87aa68" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2c8c6c89-9465-bb81-ea21-29a749a3199b" xlink:to="loc_us-gaap_OperatingIncomeLoss_0ea1551e-1643-5e21-4c6e-6431fd87aa68" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_8d80f9f2-ec8e-5a02-2390-b5ea959a18b0" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_0ea1551e-1643-5e21-4c6e-6431fd87aa68" xlink:to="loc_us-gaap_OperatingExpenses_8d80f9f2-ec8e-5a02-2390-b5ea959a18b0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LaborAndRelatedExpense" xlink:label="loc_us-gaap_LaborAndRelatedExpense_eae5f7af-8c00-e315-7382-101bb9d749cf" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_8d80f9f2-ec8e-5a02-2390-b5ea959a18b0" xlink:to="loc_us-gaap_LaborAndRelatedExpense_eae5f7af-8c00-e315-7382-101bb9d749cf" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_37d23128-e0be-7b8b-d6c6-f3d1ac14cac9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_8d80f9f2-ec8e-5a02-2390-b5ea959a18b0" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_37d23128-e0be-7b8b-d6c6-f3d1ac14cac9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_682e13ed-74ef-f976-16fa-3796f1bc898f" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_8d80f9f2-ec8e-5a02-2390-b5ea959a18b0" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_682e13ed-74ef-f976-16fa-3796f1bc898f" xlink:type="arc" />
    <loc xlink:href="amg-20160331.xsd#amg_DepreciationAndOtherAmortization" xlink:label="loc_amg_DepreciationAndOtherAmortization_4dd8ad9d-a121-3651-44c7-c58131f7a964" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_8d80f9f2-ec8e-5a02-2390-b5ea959a18b0" xlink:to="loc_amg_DepreciationAndOtherAmortization_4dd8ad9d-a121-3651-44c7-c58131f7a964" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherCostAndExpenseOperating" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_a085a883-1972-f13c-a978-1b42ab0edba3" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_8d80f9f2-ec8e-5a02-2390-b5ea959a18b0" xlink:to="loc_us-gaap_OtherCostAndExpenseOperating_a085a883-1972-f13c-a978-1b42ab0edba3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetManagementFees1" xlink:label="loc_us-gaap_AssetManagementFees1_7785996f-47fd-a4f0-747d-9e81bd58b541" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_0ea1551e-1643-5e21-4c6e-6431fd87aa68" xlink:to="loc_us-gaap_AssetManagementFees1_7785996f-47fd-a4f0-747d-9e81bd58b541" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_b71b86f8-adb0-6f61-c3a9-37e1e67b4d68" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2c8c6c89-9465-bb81-ea21-29a749a3199b" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_b71b86f8-adb0-6f61-c3a9-37e1e67b4d68" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_915682f7-b9cc-2ed3-6852-178ddfcb101f" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2c8c6c89-9465-bb81-ea21-29a749a3199b" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_915682f7-b9cc-2ed3-6852-178ddfcb101f" xlink:type="arc" />
    <loc xlink:href="amg-20160331.xsd#amg_InvestmentAndOtherIncomeLoss" xlink:label="loc_amg_InvestmentAndOtherIncomeLoss_dd00757d-7a09-00e9-05c5-c58131f7bb3a" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_915682f7-b9cc-2ed3-6852-178ddfcb101f" xlink:to="loc_amg_InvestmentAndOtherIncomeLoss_dd00757d-7a09-00e9-05c5-c58131f7bb3a" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_8d3aa4ad-dbea-9eba-4578-5d3b83ba3bc6" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_915682f7-b9cc-2ed3-6852-178ddfcb101f" xlink:to="loc_us-gaap_InterestExpense_8d3aa4ad-dbea-9eba-4578-5d3b83ba3bc6" xlink:type="arc" />
    <loc xlink:href="amg-20160331.xsd#amg_ImputedInterestExpenseIncomeAndContingentPaymentArrangements" xlink:label="loc_amg_ImputedInterestExpenseIncomeAndContingentPaymentArrangements_34CB27FC1D19C814CE066F6E7647D3E8" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_915682f7-b9cc-2ed3-6852-178ddfcb101f" xlink:to="loc_amg_ImputedInterestExpenseIncomeAndContingentPaymentArrangements_34CB27FC1D19C814CE066F6E7647D3E8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_b8dcf191-083d-828d-7b9f-e2d2969b89f4" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_5f8983ec-dfa4-10d0-f53d-c0676300a16f" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_b8dcf191-083d-828d-7b9f-e2d2969b89f4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsRedeemable" xlink:label="loc_us-gaap_NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsRedeemable_5085ea44-9594-990d-9f6e-95e581547d2a" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_e62ce8b8-4401-2622-8598-3e644745e95e" xlink:to="loc_us-gaap_NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsRedeemable_5085ea44-9594-990d-9f6e-95e581547d2a" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.amg.com/role/DocumentAndEntityInformation" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/EarningsPerShare" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/EarningsPerShareScheduleOfBasicAndDilutedEarningsPerShareDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_ca9bebe4-4073-b721-7b75-1a0086593d58" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_8afbf9ec-40f2-ac04-dde9-64f96fdfbf74" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_ca9bebe4-4073-b721-7b75-1a0086593d58" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_8afbf9ec-40f2-ac04-dde9-64f96fdfbf74" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_0449447d-2475-b5e7-892e-ced6d0229840" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_ca9bebe4-4073-b721-7b75-1a0086593d58" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_0449447d-2475-b5e7-892e-ced6d0229840" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities_31a357f7-bea9-101b-a609-5b002d70d78d" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_ca9bebe4-4073-b721-7b75-1a0086593d58" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities_31a357f7-bea9-101b-a609-5b002d70d78d" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_6bff86ee-e32e-51d0-aeda-1599604eacef" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_e62ce8b8-4401-2622-8598-3e644745e95e" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_6bff86ee-e32e-51d0-aeda-1599604eacef" xlink:to="loc_us-gaap_NetIncomeLoss_e62ce8b8-4401-2622-8598-3e644745e95e" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestOnConvertibleDebtNetOfTax" xlink:label="loc_us-gaap_InterestOnConvertibleDebtNetOfTax_11be0c5d-855e-6108-a774-11c070c0867b" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_6bff86ee-e32e-51d0-aeda-1599604eacef" xlink:to="loc_us-gaap_InterestOnConvertibleDebtNetOfTax_11be0c5d-855e-6108-a774-11c070c0867b" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.amg.com/role/EarningsPerShareScheduleOfSharesExcludedFromCalculationOfBasicAndDilutedEarningsPerShareDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/EarningsPerShareTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/FairValueMeasurements" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/FairValueMeasurementsScheduleOfChangesInLevel3AssetsAndLiabilitiesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/FairValueMeasurementsScheduleOfFairValueOfAssetsAndLiabilitiesMeasuredOnRecurringBasisDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/FairValueMeasurementsScheduleOfQuantitativeInformationUsedInValuingLevel3LiabilitiesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/FairValueMeasurementsSummaryOfFinancialAssetsAndLiabilitiesNotCarriedAtFairValueDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/FairValueMeasurementsSummaryOfInvestmentsInCertainEntitiesThatCalculateNetAssetValueDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/FairValueMeasurementsTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/IncomeTaxes" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/IncomeTaxesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/IncomeTaxesScheduleOfIncomeTaxProvisionsByControllingAndNoncontrollingInterestsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_b8dcf191-083d-828d-7b9f-e2d2969b89f4" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_34234baa-d101-3f73-2c90-9ccf83248ac9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_b8dcf191-083d-828d-7b9f-e2d2969b89f4" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_34234baa-d101-3f73-2c90-9ccf83248ac9" xlink:type="arc" />
    <loc xlink:href="amg-20160331.xsd#amg_DeferredIncomeTaxExpenseRelatedToIntangibles" xlink:label="loc_amg_DeferredIncomeTaxExpenseRelatedToIntangibles_69d6f415-4089-43cb-ef50-c58131c82a80" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_b8dcf191-083d-828d-7b9f-e2d2969b89f4" xlink:to="loc_amg_DeferredIncomeTaxExpenseRelatedToIntangibles_69d6f415-4089-43cb-ef50-c58131c82a80" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredOtherTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredOtherTaxExpenseBenefit_2c54e2c0-7ae4-902b-b928-258cd0ab30c3" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_b8dcf191-083d-828d-7b9f-e2d2969b89f4" xlink:to="loc_us-gaap_DeferredOtherTaxExpenseBenefit_2c54e2c0-7ae4-902b-b928-258cd0ab30c3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_8b437d2d-6bbf-1f71-a341-6d3ac2b36703" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_b8dcf191-083d-828d-7b9f-e2d2969b89f4" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_8b437d2d-6bbf-1f71-a341-6d3ac2b36703" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.amg.com/role/IncomeTaxesTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/IntangibleAssets" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/IntangibleAssetsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/IntangibleAssetsScheduleOfChangesInComponentsOfAcquiredClientRelationshipsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/IntangibleAssetsScheduleOfChangesInGoodwillDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/IntangibleAssetsTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/InvestmentsInMarketableSecurities" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/InvestmentsInMarketableSecuritiesScheduleOfAvailableForSaleAndTradingSecuritiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis" xlink:label="loc_us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis_fdc974c5-e677-0a55-09af-77a6ec2c8ddc" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:label="loc_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax_4ba9ebe5-5a63-2726-2393-b71038ce00e0" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis_fdc974c5-e677-0a55-09af-77a6ec2c8ddc" xlink:to="loc_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax_4ba9ebe5-5a63-2726-2393-b71038ce00e0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:label="loc_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax_1b9f9c45-1d8c-30be-5ced-6731082de5af" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis_fdc974c5-e677-0a55-09af-77a6ec2c8ddc" xlink:to="loc_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax_1b9f9c45-1d8c-30be-5ced-6731082de5af" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AvailableForSaleSecuritiesEquitySecurities" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesEquitySecurities_4ba1377a-f8ee-25e7-8b6e-322b7d9ff2a2" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis_fdc974c5-e677-0a55-09af-77a6ec2c8ddc" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesEquitySecurities_4ba1377a-f8ee-25e7-8b6e-322b7d9ff2a2" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.amg.com/role/InvestmentsInMarketableSecuritiesTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/PrinciplesOfConsolidation" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/RecentAccountingDevelopments" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/SegmentInformation" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/SegmentInformationScheduleOfSegmentInformationDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/SegmentInformationScheduleOfSegmentInformationDetailsCalc2" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/SegmentInformationTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/ShareBasedCompensation" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/ShareBasedCompensationScheduleOfCompanyRestrictedStockUnitTransactionsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/ShareBasedCompensationScheduleOfTransactionsOfCompanysStockOptionsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/ShareBasedCompensationShareBasedCompensationScheduleOfFairValueOptionsGrantedAndAssumptionsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/ShareBasedCompensationSummaryOfShareBasedCompensationDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/ShareBasedCompensationTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/VariableInterestEntities" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/VariableInterestEntitiesScheduleOfUnconsolidatedViesAndCompanyRiskDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.amg.com/role/VariableInterestEntitiesTables" xlink:type="extended" />
</linkbase>
