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      <regStreet1>1801 CALIFORNIA STREET</regStreet1>
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      <regStateConditional regCountry="US" regState="US-CO"/>
      <regZipOrPostalCode>80202</regZipOrPostalCode>
      <regPhone>720-493-4256</regPhone>
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      <repPdEnd>2025-12-31</repPdEnd>
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        <name>iShares Broad USD Investment Grade Corporate Bond ETF</name>
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        <title>iShares Broad USD Investment Grade Corporate Bond ETF</title>
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      <invstOrSec>
        <name>iShares MSCI Emerging Markets Min Vol Factor ETF</name>
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        <title>iShares MSCI Emerging Markets Min Vol Factor ETF</title>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>State Street Global Advisors</name>
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        <fairValLevel>1</fairValLevel>
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        <name>iShares MSCI USA Min Vol Factor ETF</name>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>iShares MSCI USA Value Factor ETF</name>
        <lei>549300QCMVXVCAPD3O82</lei>
        <title>iShares MSCI USA Value Factor ETF</title>
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        <fairValLevel>1</fairValLevel>
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        <name>iShares MSCI EAFE Min Vol Factor ETF</name>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>iShares MSCI USA Quality Factor ETF</name>
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        <title>iShares MSCI USA Quality Factor ETF</title>
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        <payoffProfile>Long</payoffProfile>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>iShares MSCI USA Momentum Factor ETF</name>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
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        <title>iShares MSCI USA Size Factor ETF</title>
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        <curCd>USD</curCd>
        <valUSD>8251817.84000000</valUSD>
        <pctVal>4.060042092625</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <loanByFundCondition isLoanByFund="Y" loanVal="15360.00000000"/>
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      </invstOrSec>
    </invstOrSecs>
    <explntrNotes>
      <explntrNote note="Monthly returns presented in Item B.5(a) have been calculated without deducting any applicable sales loads or redemption fees." noteItem="B.5.a"/>
    </explntrNotes>
    <signature>
      <ncom:dateSigned>2025-07-15</ncom:dateSigned>
      <ncom:nameOfApplicant>TRANSAMERICA SERIES TRUST</ncom:nameOfApplicant>
      <ncom:signature>Joshua Durham</ncom:signature>
      <ncom:signerName>Joshua Durham</ncom:signerName>
      <ncom:title>Chief Operating Officer and Interim Treasurer</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
