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        <balance>16500000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>17078578.11000000</valUSD>
        <pctVal>4.180369807554</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>USGSE</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2022-01-13</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>2.38000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>FEDERAL HOME LOAN BANK</name>
        <lei>2549001DPIFGXC1TOL40</lei>
        <title>Federal Home Loan Banks</title>
        <cusip>3130AFFX0</cusip>
        <identifiers>
          <isin value="US3130AFFX04"/>
        </identifiers>
        <balance>40000000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>47277798.40000000</valUSD>
        <pctVal>11.57231472819</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>USGSE</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2028-11-16</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>3.25000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>United States Treasury Strip Coupon</title>
        <cusip>912833LS7</cusip>
        <identifiers>
          <isin value="US912833LS79"/>
        </identifiers>
        <balance>127000000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>124500331.39000000</valUSD>
        <pctVal>30.47428322317</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2024-08-15</maturityDt>
          <couponKind>None</couponKind>
          <annualizedRt>0.00000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>United States Treasury Bill</title>
        <cusip>9127962G3</cusip>
        <identifiers>
          <isin value="US9127962G32"/>
        </identifiers>
        <balance>200000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>200000.00000000</valUSD>
        <pctVal>0.048954541538</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2020-09-17</maturityDt>
          <couponKind>None</couponKind>
          <annualizedRt>0.00000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Morgan Stanley &amp; Co. LLC</name>
        <lei>9R7GPTSO7KV3UQJZQ078</lei>
        <title>S+P 500 FLEX CALL JAN24 3310 CALL</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Internal Identifier" value="AEI812412"/>
        </identifiers>
        <balance>555.00000000</balance>
        <units>NC</units>
        <curCd>USD</curCd>
        <valUSD>12707301.65000000</valUSD>
        <pctVal>3.110400632359</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DE</assetCat>
        <issuerConditional desc="derivative" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <derivativeInfo>
          <optionSwaptionWarrantDeriv derivCat="OPT">
            <counterparties>
              <counterpartyName>Morgan Stanley &amp; Co. LLC</counterpartyName>
              <counterpartyLei>9R7GPTSO7KV3UQJZQ078</counterpartyLei>
            </counterparties>
            <putOrCall>Call</putOrCall>
            <writtenOrPur>Purchased</writtenOrPur>
            <descRefInstrmnt>
              <indexBasketInfo>
                <indexName>S&amp;P 500 Index</indexName>
                <indexIdentifier>SPX Index</indexIdentifier>
              </indexBasketInfo>
            </descRefInstrmnt>
            <shareNo>100.00000000</shareNo>
            <exercisePrice>3310.00000000</exercisePrice>
            <exercisePriceCurCd>USD</exercisePriceCurCd>
            <expDt>2025-02-05</expDt>
            <delta>XXXX</delta>
            <unrealizedAppr>-14965495.52000000</unrealizedAppr>
          </optionSwaptionWarrantDeriv>
        </derivativeInfo>
        <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>
