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


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        <classId>C000154895</classId>
      </seriesClassInfo>


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      <regFileNumber>811-04419</regFileNumber>
      <regCik>0000778207</regCik>
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      <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 American Funds Managed Risk VP</seriesName>
      <seriesId>S000049122</seriesId>
      <seriesLei>549300LDEG5SXI810D95</seriesLei>
      <repPdEnd>2025-12-31</repPdEnd>
      <repPdDate>2025-03-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
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      <totLiabs>814335.07</totLiabs>
      <netAssets>829882761.04</netAssets>
      <assetsAttrMiscSec>0.00000000</assetsAttrMiscSec>
      <assetsInvested>0.00000000</assetsInvested>
      <amtPayOneYrBanksBorr>0.00000000</amtPayOneYrBanksBorr>
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      <standByCommit>0.00000000</standByCommit>
      <liquidPref>0.00000000</liquidPref>
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      <isNonCashCollateral>N</isNonCashCollateral>
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        <monthlyReturnCats>
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        <fundsDesignatedInfo>
          <nameDesignatedIndex>Securities Portfolio VaR</nameDesignatedIndex>
          <indexIdentifier>Designated Reference Portfolio is the Fund's Securities Portfolio</indexIdentifier>

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        <currencyConditional curCd="GBP" exchangeRt="0.77414400"/>
        <valUSD>4984.86000000</valUSD>
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        <payoffProfile>N/A</payoffProfile>
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        <invCountry>GB</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <futrDeriv derivCat="FUT">
            <counterparties>
              <counterpartyName>ICE Futures Europe - Financial Products Division</counterpartyName>
              <counterpartyLei>N/A</counterpartyLei>
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            <payOffProf>Short</payOffProf>
            <descRefInstrmnt>
              <indexBasketInfo>
                <indexName>FTSE 100 Index Futures</indexName>
                <indexIdentifier>Z M5 Index</indexIdentifier>
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            <expDate>2025-06-20</expDate>
            <notionalAmt>-261619.00000000</notionalAmt>
            <curCd>GBP</curCd>
            <unrealizedAppr>4984.86000000</unrealizedAppr>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>ICE Futures U.S., Inc.</name>
        <lei>5493004R83R1LVX2IL36</lei>
        <title>Future</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Bloomberg Identifier" value="BBG013V2S5C8"/>
        </identifiers>
        <balance>-39.00000000</balance>
        <units>NC</units>
        <curCd>USD</curCd>
        <valUSD>72352.25000000</valUSD>
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        <payoffProfile>N/A</payoffProfile>
        <assetCat>DE</assetCat>
        <issuerConditional desc="derivative" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <derivativeInfo>
          <futrDeriv derivCat="FUT">
            <counterparties>
              <counterpartyName>ICE Futures U.S., Inc.</counterpartyName>
              <counterpartyLei>5493004R83R1LVX2IL36</counterpartyLei>
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            <payOffProf>Short</payOffProf>
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              <indexBasketInfo>
                <indexName>ICE U.S. MSCI Emerging Markets Index Futures</indexName>
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            <notionalAmt>-2238412.25000000</notionalAmt>
            <curCd>USD</curCd>
            <unrealizedAppr>72352.25000000</unrealizedAppr>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Chicago Mercantile Exchange</name>
        <lei>SNZ2OJLFK8MNNCLQOF39</lei>
        <title>Future</title>
        <cusip>000000000</cusip>
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          <other otherDesc="Bloomberg Identifier" value="BBG00V9VT6D4"/>
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        <balance>-3.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>842.95000000</valUSD>
        <pctVal>0.000101574588</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DFE</assetCat>
        <issuerConditional desc="derivative" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <futrDeriv derivCat="FUT">
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              <counterpartyName>Chicago Mercantile Exchange</counterpartyName>
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            <payOffProf>Short</payOffProf>
            <descRefInstrmnt>
              <indexBasketInfo>
                <indexName>CME British Pound Currency Futures</indexName>
                <indexIdentifier>BPM5 Curncy</indexIdentifier>
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            <expDate>2025-06-16</expDate>
            <notionalAmt>-242924.20000000</notionalAmt>
            <curCd>USD</curCd>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Chicago Mercantile Exchange</name>
        <lei>SNZ2OJLFK8MNNCLQOF39</lei>
        <title>Future</title>
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        <identifiers>
          <other otherDesc="Bloomberg Identifier" value="BBG01LX7ZV67"/>
        </identifiers>
        <balance>-2.00000000</balance>
        <units>NC</units>
        <curCd>USD</curCd>
        <valUSD>3401.00000000</valUSD>
        <pctVal>0.000409816923</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DE</assetCat>
        <issuerConditional desc="derivative" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <derivativeInfo>
          <futrDeriv derivCat="FUT">
            <counterparties>
              <counterpartyName>Chicago Mercantile Exchange</counterpartyName>
              <counterpartyLei>SNZ2OJLFK8MNNCLQOF39</counterpartyLei>
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            <payOffProf>Short</payOffProf>
            <descRefInstrmnt>
              <indexBasketInfo>
                <indexName>CME E-mini Russell 2000 Index Futures</indexName>
                <indexIdentifier>RTYM5 Index</indexIdentifier>
              </indexBasketInfo>
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            <expDate>2025-06-20</expDate>
            <notionalAmt>-206111.00000000</notionalAmt>
            <curCd>USD</curCd>
            <unrealizedAppr>3401.00000000</unrealizedAppr>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Chicago Mercantile Exchange</name>
        <lei>SNZ2OJLFK8MNNCLQOF39</lei>
        <title>Future</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Bloomberg Identifier" value="BBG00V9VT886"/>
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        <balance>-12.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>12953.25000000</valUSD>
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        <assetCat>DFE</assetCat>
        <issuerConditional desc="derivative" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <derivativeInfo>
          <futrDeriv derivCat="FUT">
            <counterparties>
              <counterpartyName>Chicago Mercantile Exchange</counterpartyName>
              <counterpartyLei>SNZ2OJLFK8MNNCLQOF39</counterpartyLei>
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            <payOffProf>Short</payOffProf>
            <descRefInstrmnt>
              <indexBasketInfo>
                <indexName>CME Euro Foreign Exchange Currency Futures</indexName>
                <indexIdentifier>ECM5 Curncy</indexIdentifier>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Chicago Mercantile Exchange</name>
        <lei>SNZ2OJLFK8MNNCLQOF39</lei>
        <title>Future</title>
        <cusip>000000000</cusip>
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          <other otherDesc="Bloomberg Identifier" value="BBG01FTN83M4"/>
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        <balance>-209.00000000</balance>
        <units>NC</units>
        <curCd>USD</curCd>
        <valUSD>396576.25000000</valUSD>
        <pctVal>0.047787021085</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DE</assetCat>
        <issuerConditional desc="derivative" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <derivativeInfo>
          <futrDeriv derivCat="FUT">
            <counterparties>
              <counterpartyName>Chicago Mercantile Exchange</counterpartyName>
              <counterpartyLei>SNZ2OJLFK8MNNCLQOF39</counterpartyLei>
            </counterparties>
            <payOffProf>Short</payOffProf>
            <descRefInstrmnt>
              <indexBasketInfo>
                <indexName>CME E-mini S&amp;P 500 Index Futures</indexName>
                <indexIdentifier>ESM5 Index</indexIdentifier>
              </indexBasketInfo>
            </descRefInstrmnt>
            <expDate>2025-06-20</expDate>
            <notionalAmt>-59473038.75000000</notionalAmt>
            <curCd>USD</curCd>
            <unrealizedAppr>396576.25000000</unrealizedAppr>
          </futrDeriv>
        </derivativeInfo>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Chicago Mercantile Exchange</name>
        <lei>SNZ2OJLFK8MNNCLQOF39</lei>
        <title>Future</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Bloomberg Identifier" value="BBG01LX7ZSX4"/>
        </identifiers>
        <balance>-22.00000000</balance>
        <units>NC</units>
        <curCd>USD</curCd>
        <valUSD>25904.25000000</valUSD>
        <pctVal>0.003121434884</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DE</assetCat>
        <issuerConditional desc="derivative" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <derivativeInfo>
          <futrDeriv derivCat="FUT">
            <counterparties>
              <counterpartyName>Chicago Mercantile Exchange</counterpartyName>
              <counterpartyLei>SNZ2OJLFK8MNNCLQOF39</counterpartyLei>
            </counterparties>
            <payOffProf>Short</payOffProf>
            <descRefInstrmnt>
              <indexBasketInfo>
                <indexName>CME E-mini S&amp;P MidCap 400 Index Futures</indexName>
                <indexIdentifier>FAM5 Index</indexIdentifier>
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            </descRefInstrmnt>
            <expDate>2025-06-20</expDate>
            <notionalAmt>-6490824.25000000</notionalAmt>
            <curCd>USD</curCd>
            <unrealizedAppr>25904.25000000</unrealizedAppr>
          </futrDeriv>
        </derivativeInfo>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>American Funds Insurance Series - Asset Allocation Fund</name>
        <lei>NZ0CKTWRMGPUOK1M2496</lei>
        <title>American Funds Insurance Series - Asset Allocation Fund</title>
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        <identifiers>
          <isin value="US0303726014"/>
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        <balance>31331671.63000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>810237028.46000000</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>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Eurex Deutschland</name>
        <lei>529900LN3S50JPU47S06</lei>
        <title>Future</title>
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        <identifiers>
          <other otherDesc="Bloomberg Identifier" value="BBG018BS2XR3"/>
        </identifiers>
        <balance>-25.00000000</balance>
        <units>NC</units>
        <currencyConditional curCd="EUR" exchangeRt="0.92481300"/>
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        <pctVal>0.007239294852</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DE</assetCat>
        <issuerConditional desc="derivative" issuerCat="OTHER"/>
        <invCountry>DE</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <derivativeInfo>
          <futrDeriv derivCat="FUT">
            <counterparties>
              <counterpartyName>Eurex Deutschland</counterpartyName>
              <counterpartyLei>529900LN3S50JPU47S06</counterpartyLei>
            </counterparties>
            <payOffProf>Short</payOffProf>
            <descRefInstrmnt>
              <indexBasketInfo>
                <indexName>Eurex EURO STOXX 50 Futures</indexName>
                <indexIdentifier>VGM5 Index</indexIdentifier>
              </indexBasketInfo>
            </descRefInstrmnt>
            <expDate>2025-06-20</expDate>
            <notionalAmt>-1352810.60000000</notionalAmt>
            <curCd>EUR</curCd>
            <unrealizedAppr>60077.66000000</unrealizedAppr>
          </futrDeriv>
        </derivativeInfo>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Fixed Income Clearing Corp</name>
        <lei>549300H47WTHXPU08X20</lei>
        <title>FIXED INC CLEARING CORP.REPO</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Internal Identifier" value="85748R009"/>
        </identifiers>
        <balance>17178173.92000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>17178173.92000000</valUSD>
        <pctVal>2.069951892779</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 Income Clearing Corp" isCleared="Y"/>
          <isTriParty>N</isTriParty>
          <repurchaseRt>1.80000000</repurchaseRt>
          <maturityDt>2025-04-01</maturityDt>
          <repurchaseCollaterals>
            <repurchaseCollateral>
              <principalAmt>18174400.00000000</principalAmt>
              <principalCd>USD</principalCd>
              <collateralVal>17521757.84000000</collateralVal>
              <collateralCd>USD</collateralCd>
              <invstCat>UST</invstCat>
            </repurchaseCollateral>
          </repurchaseCollaterals>
        </repurchaseAgrmt>
        <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>2025-04-25</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>
  <documents>XXXX</documents>
</edgarSubmission>
