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      <regLei>5493000QR1WGXIM5V222</regLei>
      <regStreet1>1801 CALIFORNIA STREET</regStreet1>
      <regStreet2>SUITE 5200</regStreet2>
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      <regStateConditional regCountry="US" regState="US-CO"/>
      <regZipOrPostalCode>80202</regZipOrPostalCode>
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      <seriesName>Transamerica BlackRock iShares Edge 50 VP</seriesName>
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      <repPdEnd>2020-12-31</repPdEnd>
      <repPdDate>2020-06-30</repPdDate>
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      <totLiabs>46282894.39</totLiabs>
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        <name>iShares Edge MSCI USA Size Factor ETF</name>
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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 Edge MSCI Min Vol EAFE ETF</name>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>iShares Core U.S. Aggregate Bond ETF</name>
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        <title>iShares Core U.S. Aggregate Bond ETF</title>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
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        <title>iShares Edge MSCI USA Momentum Factor ETF</title>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <loanByFundCondition isLoanByFund="Y" loanVal="16668698.00000000"/>
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      </invstOrSec>
      <invstOrSec>
        <name>iShares Edge MSCI USA Value Factor ETF</name>
        <lei>549300QCMVXVCAPD3O82</lei>
        <title>iShares Edge MSCI USA Value Factor ETF</title>
        <cusip>46432F388</cusip>
        <identifiers>
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        <balance>457888.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>33096144.64000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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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>2020-07-29</ncom:dateSigned>
      <ncom:nameOfApplicant>TRANSAMERICA SERIES TRUST</ncom:nameOfApplicant>
      <ncom:signature>Vincent Toner</ncom:signature>
      <ncom:signerName>Vincent Toner</ncom:signerName>
      <ncom:title>Treasurer</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
