<SUBMISSION>
<ACCESSION-NUMBER>0001209191-03-016849
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20030813
<FILING-DATE>20030813
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>CENTENE CORP
<CIK>0001071739
<ASSIGNED-SIC>6324
<IRS-NUMBER>041406317
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>7711 CARONDELET AVE
<CITY>ST LOUIS
<STATE>MO
<ZIP>63105
<PHONE>3147254477
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>7711 CARONDELET AVE
<STREET2>SUITE 800
<CITY>ST LOUIS
<STATE>MO
<ZIP>63105
</MAIL-ADDRESS>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>STEWARD DAVID L
<CIK>0001127053
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-33395
<FILM-NUMBER>03840309
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>C/O CENTENC CORP
<STREET2>7711 CARONDELET AVE SUITE 800
<CITY>ST LOUIS
<STATE>MO
<ZIP>63105
<PHONE>3147254477
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>135 N MERAMEC AVE
<CITY>ST LOUIS
<STATE>MO
<ZIP>63105
</MAIL-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>bob47444_bob1ds.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-08-13</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0001071739</issuerCik><issuerName>CENTENE CORP</issuerName>        <issuerTradingSymbol>CNTE</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001127053</rptOwnerCik><rptOwnerName>STEWARD DAVID L</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1></rptOwnerStreet1><rptOwnerStreet2>7711 CARONDELET AVENUE, SUITE 800</rptOwnerStreet2><rptOwnerCity>ST. LOUIS</rptOwnerCity><rptOwnerState>MO</rptOwnerState><rptOwnerZipCode>63105</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-08-13</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>P</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>2000</value></transactionShares><transactionPricePerShare><value>25.00</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>9500</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><ownerSignature><signatureName>/s/ DAVID STEWARD</signatureName><signatureDate>2003-08-13</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
