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    <filerInfo>

      <filer>
        <issuerCredentials>
          <cik>0000778207</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>


      <seriesClassInfo>
        <seriesId>S000053165</seriesId>
        <classId>C000167272</classId>
      </seriesClassInfo>


    </filerInfo>
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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 50 VP</seriesName>
      <seriesId>S000053165</seriesId>
      <seriesLei>5493005DHS3XEMT7GH18</seriesLei>
      <repPdEnd>2021-12-31</repPdEnd>
      <repPdDate>2021-12-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>600912150.79</totAssets>
      <totLiabs>60557077.63</totLiabs>
      <netAssets>540355073.16</netAssets>
      <assetsAttrMiscSec>0.00000000</assetsAttrMiscSec>
      <assetsInvested>0.00000000</assetsInvested>
      <amtPayOneYrBanksBorr>0.00000000</amtPayOneYrBanksBorr>
      <amtPayOneYrCtrldComp>0.00000000</amtPayOneYrCtrldComp>
      <amtPayOneYrOthAffil>0.00000000</amtPayOneYrOthAffil>
      <amtPayOneYrOther>0.00000000</amtPayOneYrOther>
      <amtPayAftOneYrBanksBorr>0.00000000</amtPayAftOneYrBanksBorr>
      <amtPayAftOneYrCtrldComp>0.00000000</amtPayAftOneYrCtrldComp>
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      <amtPayAftOneYrOther>0.00000000</amtPayAftOneYrOther>
      <delayDeliv>0.00000000</delayDeliv>
      <standByCommit>0.00000000</standByCommit>
      <liquidPref>0.00000000</liquidPref>
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      <borrowers>
        <borrower aggrVal="684860.00000000" lei="VYVVCKR63DVZZN70PB21" name="Wells Fargo Securities, LLC"/>
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      <aggregateCondition isNonCashCollateral="Y">
        <aggregateInfos>
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            <invstCat>UST</invstCat>
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      <returnInfo>
        <monthlyTotReturns>
          <monthlyTotReturn classId="C000167272" rtn1="2.44000000" rtn2="-0.98000000" rtn3="1.91000000"/>
        </monthlyTotReturns>
        <othMon1 netRealizedGain="219111.00000000" netUnrealizedAppr="12372386.68000000"/>
        <othMon2 netRealizedGain="436440.35000000" netUnrealizedAppr="-5865258.44000000"/>
        <othMon3 netRealizedGain="221501.45000000" netUnrealizedAppr="7900415.55000000"/>
      </returnInfo>
      <mon1Flow redemption="2220910.17000000" reinvestment="0.00000000" sales="7847534.32000000"/>
      <mon2Flow redemption="2619056.45000000" reinvestment="0.00000000" sales="858658.26000000"/>
      <mon3Flow redemption="2207062.40000000" reinvestment="0.00000000" sales="3552529.21000000"/>


    </fundInfo>
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        <units>NS</units>
        <curCd>USD</curCd>
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        <pctVal>48.16911257959</pctVal>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>iShares MSCI Emerging Markets Min Vol Factor ETF</name>
        <lei>XWXMX00WTU4PW8BLTO28</lei>
        <title>iShares MSCI Emerging Markets Min Vol Factor ETF</title>
        <cusip>464286533</cusip>
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          <isin value="US4642865335"/>
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        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>14543269.74000000</valUSD>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>State Street Global Advisors</name>
        <lei>5493008BJIBKQ5KTIF74</lei>
        <title>State Street Navigator Securities Lending Government Money Market Portfolio</title>
        <cusip>857492706</cusip>
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        <valUSD>30138025.00000000</valUSD>
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        <assetCat>STIV</assetCat>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <cashCollateralCondition cashCollateralVal="30138025.00000000" isCashCollateral="Y"/>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>iShares MSCI USA Min Vol Factor ETF</name>
        <lei>54930006KUZN6GLGL496</lei>
        <title>iShares MSCI USA Min Vol Factor ETF</title>
        <cusip>46429B697</cusip>
        <identifiers>
          <isin value="US46429B6974"/>
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        <balance>585801.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>47391300.90000000</valUSD>
        <pctVal>8.770399919233</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>iShares MSCI USA Value Factor ETF</name>
        <lei>549300QCMVXVCAPD3O82</lei>
        <title>iShares MSCI USA Value Factor ETF</title>
        <cusip>46432F388</cusip>
        <identifiers>
          <isin value="US46432F3881"/>
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        <balance>414322.00000000</balance>
        <units>NS</units>
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        <assetCat>EC</assetCat>
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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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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>iShares MSCI EAFE Min Vol Factor ETF</name>
        <lei>549300N5K4JSWEZ74544</lei>
        <title>iShares MSCI EAFE Min Vol Factor ETF</title>
        <cusip>46429B689</cusip>
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        <curCd>USD</curCd>
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        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <loanByFundCondition isLoanByFund="Y" loanVal="29111184.00000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>iShares MSCI USA Quality Factor ETF</name>
        <lei>5493007KMK0CQLE2O168</lei>
        <title>iShares MSCI USA Quality Factor ETF</title>
        <cusip>46432F339</cusip>
        <identifiers>
          <isin value="US46432F3394"/>
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        <balance>324893.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>47291425.08000000</valUSD>
        <pctVal>8.751916550619</pctVal>
        <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>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>iShares MSCI USA Momentum Factor ETF</name>
        <lei>5493002ZOOZ0SN3YYI81</lei>
        <title>iShares MSCI USA Momentum Factor ETF</title>
        <cusip>46432F396</cusip>
        <identifiers>
          <isin value="US46432F3964"/>
        </identifiers>
        <balance>249405.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>45346817.10000000</valUSD>
        <pctVal>8.392040595605</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>
          <loanByFundCondition isLoanByFund="Y" loanVal="462391.48000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>iShares MSCI USA Size Factor ETF</name>
        <lei>5493007FX38U4LSCPO86</lei>
        <title>iShares MSCI USA Size Factor ETF</title>
        <cusip>46432F370</cusip>
        <identifiers>
          <isin value="US46432F3709"/>
        </identifiers>
        <balance>206279.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>28313855.54000000</valUSD>
        <pctVal>5.239861148044</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"/>
      <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>2022-01-25</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>
