<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/nport" xmlns:com="http://www.sec.gov/edgar/common" xmlns:ncom="http://www.sec.gov/edgar/nportcommon" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sec.gov/edgar/nport eis_NPORT_Filer.xsd">
  <headerData>
    <submissionType>NPORT-P</submissionType>
    <isConfidential>false</isConfidential>
    <filerInfo>

      <filer>
        <issuerCredentials>
          <cik>0000892538</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>


      <seriesClassInfo>
        <seriesId>S000008081</seriesId>
        <classId>C000021969</classId>
        <classId>C000021971</classId>
        <classId>C000021970</classId>
      </seriesClassInfo>


    </filerInfo>
  </headerData>
  <formData>
    <genInfo>
      <regName>SUNAMERICA SERIES TRUST</regName>
      <regFileNumber>811-07238</regFileNumber>
      <regCik>0000892538</regCik>
      <regLei>549300YDIAXUNCUXFM44</regLei>
      <regStreet1>21650 Oxnard Street, 10 Floor</regStreet1>
      <regCity>Woodland Hills</regCity>
      <regStateConditional regCountry="US" regState="US-CA"/>
      <regZipOrPostalCode>91367</regZipOrPostalCode>
      <regPhone>800-445-7862</regPhone>
      <seriesName>SA AB Growth Portfolio</seriesName>
      <seriesId>S000008081</seriesId>
      <seriesLei>549300GGLCEW2DHSTH76</seriesLei>
      <repPdEnd>2020-01-31</repPdEnd>
      <repPdDate>2019-10-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>1613769623.64</totAssets>
      <totLiabs>5777372.82</totLiabs>
      <netAssets>1607992250.82</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>
      <amtPayAftOneYrOthAffil>0.00000000</amtPayAftOneYrOthAffil>
      <amtPayAftOneYrOther>0.00000000</amtPayAftOneYrOther>
      <delayDeliv>0.00000000</delayDeliv>
      <standByCommit>0.00000000</standByCommit>
      <liquidPref>0.00000000</liquidPref>
      <cshNotRptdInCorD>134570205.95000000</cshNotRptdInCorD>
      <isNonCashCollateral>N</isNonCashCollateral>
      <returnInfo>
        <monthlyTotReturns>
          <monthlyTotReturn classId="C000021970" rtn1="-1.01000000" rtn2="0.10000000" rtn3="3.46000000"/>
          <monthlyTotReturn classId="C000021971" rtn1="-1.02000000" rtn2="0.10000000" rtn3="3.45000000"/>
          <monthlyTotReturn classId="C000021969" rtn1="-0.98000000" rtn2="0.10000000" rtn3="3.47000000"/>
        </monthlyTotReturns>
        <othMon1 netRealizedGain="9101604.97000000" netUnrealizedAppr="-25583498.02000000"/>
        <othMon2 netRealizedGain="11113335.97000000" netUnrealizedAppr="-9369940.96000000"/>
        <othMon3 netRealizedGain="13551814.63000000" netUnrealizedAppr="40558972.99000000"/>
      </returnInfo>
      <mon1Flow redemption="17028155.13000000" reinvestment="0.00000000" sales="1042004.77000000"/>
      <mon2Flow redemption="14690524.46000000" reinvestment="0.00000000" sales="713106.19000000"/>
      <mon3Flow redemption="18143767.91000000" reinvestment="0.00000000" sales="2128883.76000000"/>


    </fundInfo>
    <invstOrSecs>
      <invstOrSec>
        <name>Monster Beverage Corp</name>
        <lei>52990090AP0E7HCB6F33</lei>
        <title>Monster Beverage Corp</title>
        <cusip>61174X109</cusip>
        <identifiers>
          <isin value="US61174X1090"/>
        </identifiers>
        <balance>981694.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>55102484.22000000</valUSD>
        <pctVal>3.426787920893</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>ABIOMED Inc</name>
        <lei>5493001EZN4ZTB4Z5887</lei>
        <title>ABIOMED Inc</title>
        <cusip>003654100</cusip>
        <identifiers>
          <isin value="US0036541003"/>
        </identifiers>
        <balance>50920.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>10569973.60000000</valUSD>
        <pctVal>0.657339834480</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Apple Inc</name>
        <lei>HWUPKR0MPOU8FGXBT394</lei>
        <title>Apple Inc</title>
        <cusip>037833100</cusip>
        <identifiers>
          <isin value="US0378331005"/>
        </identifiers>
        <balance>60940.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>15159434.40000000</valUSD>
        <pctVal>0.942755438794</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Sherwin-Williams Co/The</name>
        <lei>Z15BMIOX8DDH0X2OBP21</lei>
        <title>Sherwin-Williams Co/The</title>
        <cusip>824348106</cusip>
        <identifiers>
          <isin value="US8243481061"/>
        </identifiers>
        <balance>60890.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>34848564.80000000</valUSD>
        <pctVal>2.167209747573</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>AMETEK Inc</name>
        <lei>549300WZDEF9KKE40E98</lei>
        <title>AMETEK Inc</title>
        <cusip>031100100</cusip>
        <identifiers>
          <isin value="US0311001004"/>
        </identifiers>
        <balance>126200.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>11566230.00000000</valUSD>
        <pctVal>0.719296376838</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>NIKE Inc</name>
        <lei>787RXPR0UX0O0XUXPZ81</lei>
        <title>NIKE Inc</title>
        <cusip>654106103</cusip>
        <identifiers>
          <isin value="US6541061031"/>
        </identifiers>
        <balance>458500.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>41058675.00000000</valUSD>
        <pctVal>2.553412491824</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Vertex Pharmaceuticals Inc</name>
        <lei>54930015RAQRRZ5ZGJ91</lei>
        <title>Vertex Pharmaceuticals Inc</title>
        <cusip>92532F100</cusip>
        <identifiers>
          <isin value="US92532F1003"/>
        </identifiers>
        <balance>295114.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>57688884.72000000</valUSD>
        <pctVal>3.587634498274</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Paycom Software Inc</name>
        <lei>254900LSB0HNJUDC6Q18</lei>
        <title>Paycom Software Inc</title>
        <cusip>70432V102</cusip>
        <identifiers>
          <isin value="US70432V1026"/>
        </identifiers>
        <balance>28859.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>6104544.27000000</valUSD>
        <pctVal>0.379637667214</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>ASML Holding NV</name>
        <lei>724500Y6DUVHQD6OXN27</lei>
        <title>ASML Holding NV</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="USN070592100"/>
        </identifiers>
        <balance>24290.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>6363251.30000000</valUSD>
        <pctVal>0.395726490395</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>NL</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>IDEX Corp</name>
        <lei>549300U5Y5EL6PHYLF13</lei>
        <title>IDEX Corp</title>
        <cusip>45167R104</cusip>
        <identifiers>
          <isin value="US45167R1041"/>
        </identifiers>
        <balance>51450.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>8002018.50000000</valUSD>
        <pctVal>0.497640364617</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>IPG Photonics Corp</name>
        <lei>5493002KZ51CADQ94G15</lei>
        <title>IPG Photonics Corp</title>
        <cusip>44980X109</cusip>
        <identifiers>
          <isin value="US44980X1090"/>
        </identifiers>
        <balance>51465.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>6910720.20000000</valUSD>
        <pctVal>0.429773227854</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Visa Inc</name>
        <lei>549300JZ4OKEHW3DPJ59</lei>
        <title>Visa, Inc. Class A</title>
        <cusip>92826C839</cusip>
        <identifiers>
          <isin value="US92826C8394"/>
        </identifiers>
        <balance>445150.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>79619529.00000000</valUSD>
        <pctVal>4.951487108187</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Allegion PLC</name>
        <lei>N/A</lei>
        <title>Allegion PLC</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="IE00BFRT3W74"/>
        </identifiers>
        <balance>244280.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>28346251.20000000</valUSD>
        <pctVal>1.762835062516</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>IE</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Ulta Salon Cosmetics &amp; Fragrance Inc</name>
        <lei>529900CIV6HN8M28YM82</lei>
        <title>Ulta Salon Cosmetics &amp; Fragrance Inc</title>
        <cusip>90384S303</cusip>
        <identifiers>
          <isin value="US90384S3031"/>
        </identifiers>
        <balance>86133.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>20081908.95000000</valUSD>
        <pctVal>1.248880953235</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Roper Technologies Inc</name>
        <lei>54930003T4SXCIWVXY35</lei>
        <title>Roper Technologies Inc</title>
        <cusip>776696106</cusip>
        <identifiers>
          <isin value="US7766961061"/>
        </identifiers>
        <balance>70880.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>23883724.80000000</valUSD>
        <pctVal>1.485313426592</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Burlington Stores Inc</name>
        <lei>5299003Z37DVGKKC1W09</lei>
        <title>Burlington Stores Inc</title>
        <cusip>122017106</cusip>
        <identifiers>
          <isin value="US1220171060"/>
        </identifiers>
        <balance>121629.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>23373444.93000000</valUSD>
        <pctVal>1.453579450901</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>PayPal Holdings Inc</name>
        <lei>5493005X2GO78EFZ3E94</lei>
        <title>PayPal Holdings Inc</title>
        <cusip>70450Y103</cusip>
        <identifiers>
          <isin value="US70450Y1038"/>
        </identifiers>
        <balance>400430.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>41684763.00000000</valUSD>
        <pctVal>2.592348500357</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Microsoft Corp</name>
        <lei>INR2EJN1ERAN0W5ZP974</lei>
        <title>Microsoft Corp</title>
        <cusip>594918104</cusip>
        <identifiers>
          <isin value="US5949181045"/>
        </identifiers>
        <balance>758520.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>108749012.40000000</valUSD>
        <pctVal>6.763030875586</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Constellation Brands Inc</name>
        <lei>5493005GKEG8QCVY7037</lei>
        <title>Constellation Brands Inc</title>
        <cusip>21036P108</cusip>
        <identifiers>
          <isin value="US21036P1084"/>
        </identifiers>
        <balance>44620.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>8492524.60000000</valUSD>
        <pctVal>0.528144622318</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Euronet Worldwide Inc</name>
        <lei>YG3575C4DSHJPA5KET68</lei>
        <title>Euronet Worldwide Inc</title>
        <cusip>298736109</cusip>
        <identifiers>
          <isin value="US2987361092"/>
        </identifiers>
        <balance>1673.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>234337.11000000</valUSD>
        <pctVal>0.014573273588</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Illumina Inc</name>
        <lei>SQ95QG8SR5Q56LSNF682</lei>
        <title>Illumina Inc</title>
        <cusip>452327109</cusip>
        <identifiers>
          <isin value="US4523271090"/>
        </identifiers>
        <balance>73550.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>21735496.00000000</valUSD>
        <pctVal>1.351716464362</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Edwards Lifesciences Corp</name>
        <lei>YA13X31F3V31L8TMPR58</lei>
        <title>Edwards Lifesciences Corp</title>
        <cusip>28176E108</cusip>
        <identifiers>
          <isin value="US28176E1082"/>
        </identifiers>
        <balance>160410.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>38238535.80000000</valUSD>
        <pctVal>2.378029855585</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>AO Smith Corp</name>
        <lei>549300XG4US7UJNECY36</lei>
        <title>AO Smith Corp</title>
        <cusip>831865209</cusip>
        <identifiers>
          <isin value="US8318652091"/>
        </identifiers>
        <balance>119474.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>5935468.32000000</valUSD>
        <pctVal>0.369122943034</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Tyler Technologies Inc</name>
        <lei>N/A</lei>
        <title>Tyler Technologies Inc</title>
        <cusip>902252105</cusip>
        <identifiers>
          <isin value="US9022521051"/>
        </identifiers>
        <balance>24870.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>6678092.40000000</valUSD>
        <pctVal>0.415306255151</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Alphabet Inc</name>
        <lei>5493006MHB84DD0ZWV18</lei>
        <title>Alphabet Inc</title>
        <cusip>02079K107</cusip>
        <identifiers>
          <isin value="US02079K1079"/>
        </identifiers>
        <balance>98610.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>124259447.10000000</valUSD>
        <pctVal>7.727614796441</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Booking Holdings Inc</name>
        <lei>FXM8FAOHMYDIPD38UZ17</lei>
        <title>Booking Holdings Inc</title>
        <cusip>09857L108</cusip>
        <identifiers>
          <isin value="US09857L1089"/>
        </identifiers>
        <balance>22690.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>46486591.30000000</valUSD>
        <pctVal>2.890971102397</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Veeva Systems Inc</name>
        <lei>549300YZEXPDB92M2F02</lei>
        <title>Veeva Systems, Inc. Class A</title>
        <cusip>922475108</cusip>
        <identifiers>
          <isin value="US9224751084"/>
        </identifiers>
        <balance>23844.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>3381794.52000000</valUSD>
        <pctVal>0.210311617999</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>UnitedHealth Group Inc</name>
        <lei>549300GHBMY8T5GXDE41</lei>
        <title>UnitedHealth Group Inc</title>
        <cusip>91324P102</cusip>
        <identifiers>
          <isin value="US91324P1021"/>
        </identifiers>
        <balance>323870.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>81841949.00000000</valUSD>
        <pctVal>5.089697973249</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>S&amp;P Global Inc</name>
        <lei>Y6X4K52KMJMZE7I7MY94</lei>
        <title>S&amp;P Global Inc</title>
        <cusip>78409V104</cusip>
        <identifiers>
          <isin value="US78409V1044"/>
        </identifiers>
        <balance>30810.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>7948671.90000000</valUSD>
        <pctVal>0.494322774002</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Adobe, Inc.</name>
        <lei>FU4LY2G4933NH2E1CP29</lei>
        <title>Adobe, Inc.</title>
        <cusip>00724F101</cusip>
        <identifiers>
          <isin value="US00724F1012"/>
        </identifiers>
        <balance>90620.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>25186016.60000000</valUSD>
        <pctVal>1.566302112908</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Facebook Inc</name>
        <lei>BQ4BKCS1HXDV9HN80Z93</lei>
        <title>Facebook, Inc. Class A</title>
        <cusip>30303M102</cusip>
        <identifiers>
          <isin value="US30303M1027"/>
        </identifiers>
        <balance>474630.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>90962839.50000000</valUSD>
        <pctVal>5.656920265232</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Amphenol Corp</name>
        <lei>549300D3L3G0R4U4VT04</lei>
        <title>Amphenol Corp. Class A</title>
        <cusip>032095101</cusip>
        <identifiers>
          <isin value="US0320951017"/>
        </identifiers>
        <balance>63380.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>6358915.40000000</valUSD>
        <pctVal>0.395456843573</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Stryker Corp</name>
        <lei>5493002F0SC4JTBU5137</lei>
        <title>Stryker Corp</title>
        <cusip>863667101</cusip>
        <identifiers>
          <isin value="US8636671013"/>
        </identifiers>
        <balance>110382.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>23872315.14000000</valUSD>
        <pctVal>1.484603867203</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Electronic Arts Inc</name>
        <lei>549300O7A67PUEYKDL45</lei>
        <title>Electronic Arts Inc</title>
        <cusip>285512109</cusip>
        <identifiers>
          <isin value="US2855121099"/>
        </identifiers>
        <balance>305068.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>29408555.20000000</valUSD>
        <pctVal>1.828899062480</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Zoetis Inc</name>
        <lei>549300HD9Q1LOC9KLJ48</lei>
        <title>Zoetis Inc</title>
        <cusip>98978V103</cusip>
        <identifiers>
          <isin value="US98978V1035"/>
        </identifiers>
        <balance>487810.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>62400655.20000000</valUSD>
        <pctVal>3.880656462627</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Domino's Pizza Inc</name>
        <lei>5299004V0Y8MI5D9FF45</lei>
        <title>Domino's Pizza Inc</title>
        <cusip>25754A201</cusip>
        <identifiers>
          <isin value="US25754A2015"/>
        </identifiers>
        <balance>34190.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>9286687.80000000</valUSD>
        <pctVal>0.577533119034</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Xilinx Inc</name>
        <lei>6EY4K7ZMF9UX1CU6KC79</lei>
        <title>Xilinx Inc</title>
        <cusip>983919101</cusip>
        <identifiers>
          <isin value="US9839191015"/>
        </identifiers>
        <balance>232872.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>21130805.28000000</valUSD>
        <pctVal>1.314111138858</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Intuitive Surgical Inc</name>
        <lei>54930052SRG011710797</lei>
        <title>Intuitive Surgical Inc</title>
        <cusip>46120E602</cusip>
        <identifiers>
          <isin value="US46120E6023"/>
        </identifiers>
        <balance>91969.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>50854258.55000000</valUSD>
        <pctVal>3.162593509021</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>TJX Cos Inc/The</name>
        <lei>V167QI9I69W364E2DY52</lei>
        <title>TJX Cos Inc/The</title>
        <cusip>872540109</cusip>
        <identifiers>
          <isin value="US8725401090"/>
        </identifiers>
        <balance>382650.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>22059772.50000000</valUSD>
        <pctVal>1.371883010552</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Copart Inc</name>
        <lei>549300KVYX3JWMYEHU61</lei>
        <title>Copart Inc</title>
        <cusip>217204106</cusip>
        <identifiers>
          <isin value="US2172041061"/>
        </identifiers>
        <balance>247198.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>20428442.72000000</valUSD>
        <pctVal>1.270431664678</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Align Technology Inc</name>
        <lei>549300N5YSE0U3LCP840</lei>
        <title>Align Technology Inc</title>
        <cusip>016255101</cusip>
        <identifiers>
          <isin value="US0162551016"/>
        </identifiers>
        <balance>49480.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>12483309.20000000</valUSD>
        <pctVal>0.776328940244</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Home Depot Inc/The</name>
        <lei>QEKMOTMBBKA8I816DO57</lei>
        <title>Home Depot Inc/The</title>
        <cusip>437076102</cusip>
        <identifiers>
          <isin value="US4370761029"/>
        </identifiers>
        <balance>225850.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>52979893.00000000</valUSD>
        <pctVal>3.294785343211</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Cognex Corp</name>
        <lei>549300JQTYZCLC43S226</lei>
        <title>Cognex Corp</title>
        <cusip>192422103</cusip>
        <identifiers>
          <isin value="US1924221039"/>
        </identifiers>
        <balance>123380.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>6352836.20000000</valUSD>
        <pctVal>0.395078782050</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Mettler-Toledo International Inc</name>
        <lei>5493000BD5GJNUDIUG10</lei>
        <title>Mettler-Toledo International Inc</title>
        <cusip>592688105</cusip>
        <identifiers>
          <isin value="US5926881054"/>
        </identifiers>
        <balance>8780.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>6189373.20000000</valUSD>
        <pctVal>0.384913123607</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Texas Instruments Inc</name>
        <lei>WDJNR2L6D8RWOEB8T652</lei>
        <title>Texas Instruments Inc</title>
        <cusip>882508104</cusip>
        <identifiers>
          <isin value="US8825081040"/>
        </identifiers>
        <balance>60950.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>7191490.50000000</valUSD>
        <pctVal>0.447234151553</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Etsy Inc</name>
        <lei>54930089Q7XT501AEA40</lei>
        <title>Etsy Inc</title>
        <cusip>29786A106</cusip>
        <identifiers>
          <isin value="US29786A1060"/>
        </identifiers>
        <balance>20496.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>911867.04000000</valUSD>
        <pctVal>0.056708422539</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Regeneron Pharmaceuticals Inc</name>
        <lei>549300RCBFWIRX3HYQ56</lei>
        <title>Regeneron Pharmaceuticals Inc</title>
        <cusip>75886F107</cusip>
        <identifiers>
          <isin value="US75886F1075"/>
        </identifiers>
        <balance>116106.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>35560945.68000000</valUSD>
        <pctVal>2.211512254606</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>ANSYS Inc</name>
        <lei>549300VJV8H15Z5FJ571</lei>
        <title>ANSYS Inc</title>
        <cusip>03662Q105</cusip>
        <identifiers>
          <isin value="US03662Q1058"/>
        </identifiers>
        <balance>4069.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>895790.35000000</valUSD>
        <pctVal>0.055708623567</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Arista Networks Inc</name>
        <lei>635400H1WKBLOQERUU95</lei>
        <title>Arista Networks Inc</title>
        <cusip>040413106</cusip>
        <identifiers>
          <isin value="US0404131064"/>
        </identifiers>
        <balance>91233.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>22312854.81000000</valUSD>
        <pctVal>1.387622036027</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Costco Wholesale Corp</name>
        <lei>29DX7H14B9S6O3FD6V18</lei>
        <title>Costco Wholesale Corp</title>
        <cusip>22160K105</cusip>
        <identifiers>
          <isin value="US22160K1051"/>
        </identifiers>
        <balance>135430.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>40237607.30000000</valUSD>
        <pctVal>2.502350821621</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</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>2019-11-27</ncom:dateSigned>
      <ncom:nameOfApplicant>SUNAMERICA SERIES TRUST</ncom:nameOfApplicant>
      <ncom:signature>Shawn Parry</ncom:signature>
      <ncom:signerName>Shawn Parry</ncom:signerName>
      <ncom:title>Assistant Treasurer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
