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          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>


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        <classId>C000167274</classId>
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      <regFileNumber>811-04419</regFileNumber>
      <regCik>0000778207</regCik>
      <regLei>5493000QR1WGXIM5V222</regLei>
      <regStreet1>1801 CALIFORNIA STREET</regStreet1>
      <regStreet2>SUITE 5200</regStreet2>
      <regCity>DENVER</regCity>
      <regStateConditional regCountry="US" regState="US-CO"/>
      <regZipOrPostalCode>80202</regZipOrPostalCode>
      <regPhone>720-493-4256</regPhone>
      <seriesName>Transamerica BlackRock iShares Edge 100 VP</seriesName>
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      <repPdEnd>2020-12-31</repPdEnd>
      <repPdDate>2020-03-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
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      <totLiabs>30734022.80</totLiabs>
      <netAssets>60569910.47</netAssets>
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      <assetsInvested>0.00000000</assetsInvested>
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        <name>iShares Edge MSCI USA Value Factor ETF</name>
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        <title>iShares Edge MSCI USA Value Factor ETF</title>
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        <fairValLevel>1</fairValLevel>
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        <name>iShares Edge MSCI USA Momentum Factor ETF</name>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
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      <invstOrSec>
        <name>State Street Global Advisors</name>
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        <title>State Street Navigator Securities Lending Government Money Market Portfolio</title>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</assetCat>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <cashCollateralCondition cashCollateralVal="15085488.75000000" isCashCollateral="Y"/>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>iShares Edge MSCI Min Vol USA ETF</name>
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        <title>iShares Edge MSCI Min Vol USA ETF</title>
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        <fairValLevel>1</fairValLevel>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>iShares Edge MSCI USA Size Factor ETF</name>
        <lei>5493007FX38U4LSCPO86</lei>
        <title>iShares Edge MSCI USA Size Factor ETF</title>
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        <pctVal>9.616928363935</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
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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>
      <invstOrSec>
        <name>iShares Edge MSCI Min Vol EAFE ETF</name>
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        <title>iShares Edge MSCI Min Vol EAFE ETF</title>
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        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>12013314.35000000</valUSD>
        <pctVal>19.83379908733</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>iShares Edge MSCI Min Vol Emerging Markets ETF</name>
        <lei>XWXMX00WTU4PW8BLTO28</lei>
        <title>iShares Edge MSCI Min Vol Emerging Markets ETF</title>
        <cusip>464286533</cusip>
        <identifiers>
          <isin value="US4642865335"/>
        </identifiers>
        <balance>69456.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>3258875.52000000</valUSD>
        <pctVal>5.380353866651</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>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </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>2020-04-28</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>
  <documents>XXXX</documents>
</edgarSubmission>
