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        <pctVal>3.887867394777</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>
      <invstOrSec>
        <name>Transamerica WMC US Growth VP</name>
        <lei>5493001V6580U6S22125</lei>
        <title>Transamerica WMC US Growth VP</title>
        <cusip>89360C332</cusip>
        <identifiers>
          <isin value="US89360C3328"/>
        </identifiers>
        <balance>2570058.98400000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>75020021.74000000</valUSD>
        <pctVal>6.261459863797</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>
      <invstOrSec>
        <name>Transamerica JPMorgan Mid Cap Value VP</name>
        <lei>549300MXP8VPJ6N4LS61</lei>
        <title>Transamerica JPMorgan Mid Cap Value VP</title>
        <cusip>89360C647</cusip>
        <identifiers>
          <isin value="US89360C6479"/>
        </identifiers>
        <balance>1215226.54100000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>13622689.52000000</valUSD>
        <pctVal>1.137002118742</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>
      <invstOrSec>
        <name>FIXED INC CLEARING CORP.REPO</name>
        <lei>549300H47WTHXPU08X20</lei>
        <title>FIXED INC CLEARING CORP.REPO</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Internal Identifier" value="85748R009"/>
        </identifiers>
        <balance>3011711.46000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>3011711.46000000</valUSD>
        <pctVal>0.251369034435</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>RA</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <repurchaseAgrmt>
          <transCat>Repurchase</transCat>
          <clearedCentCparty centralCounterparty="FIXED INC CLEARING CORP.REPO" isCleared="Y"/>
          <isTriParty>N</isTriParty>
          <repurchaseRt>0.00000000</repurchaseRt>
          <maturityDt>2020-04-01</maturityDt>
          <repurchaseCollaterals>
            <repurchaseCollateral>
              <principalAmt>2945000.00000000</principalAmt>
              <principalCd>USD</principalCd>
              <collateralVal>3072303.51500000</collateralVal>
              <collateralCd>USD</collateralCd>
              <invstCat>UST</invstCat>
            </repurchaseCollateral>
          </repurchaseCollaterals>
        </repurchaseAgrmt>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>TA GLOBAL ALLOC LIQUID TRUST MUTUAL FUND</name>
        <lei>N/A</lei>
        <title>TA GLOBAL ALLOC LIQUID TRUST MUTUAL FUND</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Internal Identifier" value="ACI08ZQ19"/>
        </identifiers>
        <balance>13520.76200000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>50620.38000000</valUSD>
        <pctVal>0.004224971818</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>Y</isRestrictedSec>

        <fairValLevel>N/A</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>
