<?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">
  <headerData>
    <submissionType>NPORT-P/A</submissionType>
    <isConfidential>false</isConfidential>
    <accessionNumber>0001145549-25-010419</accessionNumber>
    <filerInfo>

      <filer>
        <issuerCredentials>
          <cik>0001976322</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>


      <seriesClassInfo>
        <seriesId>S000081037</seriesId>
        <classId>C000243676</classId>
      </seriesClassInfo>


    </filerInfo>
  </headerData>
  <formData>
    <genInfo>
      <regName>Themes ETF Trust</regName>
      <regFileNumber>811-23872</regFileNumber>
      <regCik>0001976322</regCik>
      <regLei>529900NYKGD1N3B8DB45</regLei>
      <regStreet1>34 East Putnam Avenue</regStreet1>
      <regStreet2>Suite 112</regStreet2>
      <regCity>Greenwich</regCity>
      <regStateConditional regCountry="US" regState="US-CT"/>
      <regZipOrPostalCode>06830</regZipOrPostalCode>
      <regPhone>646-206-1788</regPhone>
      <seriesName>Themes Cybersecurity ETF</seriesName>
      <seriesId>S000081037</seriesId>
      <seriesLei>5299005IP7HT8CKPQW22</seriesLei>
      <repPdEnd>2025-09-30</repPdEnd>
      <repPdDate>2024-12-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>1758511.960000000000</totAssets>
      <totLiabs>717.160000000000</totLiabs>
      <netAssets>1757794.800000000000</netAssets>
      <assetsAttrMiscSec>0.000000000000</assetsAttrMiscSec>
      <assetsInvested>0.000000000000</assetsInvested>
      <amtPayOneYrBanksBorr>0.000000000000</amtPayOneYrBanksBorr>
      <amtPayOneYrCtrldComp>0.000000000000</amtPayOneYrCtrldComp>
      <amtPayOneYrOthAffil>0.000000000000</amtPayOneYrOthAffil>
      <amtPayOneYrOther>0.000000000000</amtPayOneYrOther>
      <amtPayAftOneYrBanksBorr>0.000000000000</amtPayAftOneYrBanksBorr>
      <amtPayAftOneYrCtrldComp>0.000000000000</amtPayAftOneYrCtrldComp>
      <amtPayAftOneYrOthAffil>0.000000000000</amtPayAftOneYrOthAffil>
      <amtPayAftOneYrOther>0.000000000000</amtPayAftOneYrOther>
      <delayDeliv>0.000000000000</delayDeliv>
      <standByCommit>0.000000000000</standByCommit>
      <liquidPref>0.000000000000</liquidPref>
      <cshNotRptdInCorD>391.640000000000</cshNotRptdInCorD>
      <isNonCashCollateral>N</isNonCashCollateral>
      <returnInfo>
        <monthlyTotReturns>
          <monthlyTotReturn classId="C000243676" rtn1="-0.75" rtn2="5.560000000000" rtn3="-3.320000000000"/>
        </monthlyTotReturns>
        <othMon1 netRealizedGain="-16905.830000000000" netUnrealizedAppr="4403.630000000000"/>
        <othMon2 netRealizedGain="75980.270000000000" netUnrealizedAppr="35448.720000000000"/>
        <othMon3 netRealizedGain="-3802.240000000000" netUnrealizedAppr="-57882.780000000000"/>
      </returnInfo>
      <mon1Flow redemption=".000000000000" reinvestment=".000000000000" sales=".000000000000"/>
      <mon2Flow redemption="301173.000000000000" reinvestment=".000000000000" sales="285815.000000000000"/>
      <mon3Flow redemption=".000000000000" reinvestment=".000000000000" sales=".000000000000"/>



      <varInfo>

        <fundsDesignatedInfo>
          <nameDesignatedIndex>N/A</nameDesignatedIndex>
          <indexIdentifier>N/A</indexIdentifier>

        </fundsDesignatedInfo>

      </varInfo>
    </fundInfo>
    <invstOrSecs>
      <invstOrSec>
        <name>Rapid7 Inc</name>
        <lei>549300GNVG5D60KEYN14</lei>
        <title>Rapid7 Inc</title>
        <cusip>753422104</cusip>
        <identifiers>
          <isin value="US7534221046"/>
          <ticker value="RPD"/>
        </identifiers>
        <balance>1937.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>77925.510000000000</valUSD>
        <pctVal>4.4331403188</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>BlackBerry Ltd</name>
        <lei>549300HJD8NEGT71RF07</lei>
        <title>BlackBerry Ltd</title>
        <cusip>09228F103</cusip>
        <identifiers>
          <isin value="CA09228F1036"/>
          <ticker value="BB"/>
        </identifiers>
        <balance>25442.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>96170.760000000000</valUSD>
        <pctVal>5.4711027704</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>CA</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Alarm.com Holdings Inc</name>
        <lei>549300HIH92U1EKIHZ32</lei>
        <title>Alarm.com Holdings Inc</title>
        <cusip>011642105</cusip>
        <identifiers>
          <isin value="US0116421050"/>
          <ticker value="ALRM"/>
        </identifiers>
        <balance>1458.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>88646.400000000000</valUSD>
        <pctVal>5.0430459801</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>Fortinet Inc</name>
        <lei>549300O0QJWDBAS0QX03</lei>
        <title>Fortinet Inc</title>
        <cusip>34959E109</cusip>
        <identifiers>
          <isin value="US34959E1091"/>
          <ticker value="FTNT"/>
        </identifiers>
        <balance>971.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>91740.080000000000</valUSD>
        <pctVal>5.2190437701</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>Digital Arts Inc</name>
        <lei>N/A</lei>
        <title>Digital Arts Inc</title>
        <cusip>J1228V105</cusip>
        <identifiers>
          <isin value="JP3549020000"/>
          <ticker value="2326"/>
        </identifiers>
        <balance>500.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="JPY" exchangeRt="157.345000000000"/>
        <valUSD>19193.490000000000</valUSD>
        <pctVal>1.0919073148</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>JP</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Okta Inc</name>
        <lei>549300N8J06I8MRHU620</lei>
        <title>Okta Inc</title>
        <cusip>679295105</cusip>
        <identifiers>
          <isin value="US6792951054"/>
          <ticker value="OKTA"/>
        </identifiers>
        <balance>1019.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>80297.200000000000</valUSD>
        <pctVal>4.5680644863</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>NEXTDC Ltd</name>
        <lei>529900RTERU3X7G3D672</lei>
        <title>NEXTDC Ltd</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="AU000000NXT8"/>
          <ticker value="NXT"/>
        </identifiers>
        <balance>6538.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="AUD" exchangeRt="1.615640000000"/>
        <valUSD>60983.670000000000</valUSD>
        <pctVal>3.4693281605</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>AU</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>CyberArk Software Ltd</name>
        <lei>529900YEXNDM894PWS93</lei>
        <title>CyberArk Software Ltd</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="IL0011334468"/>
          <ticker value="CYBR"/>
        </identifiers>
        <balance>270.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>89950.500000000000</valUSD>
        <pctVal>5.1172355272</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>IL</invCountry>

        <isRestrictedSec>N</isRestrictedSec>
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>A10 Networks Inc</name>
        <lei>549300UQD4IWUML81Q35</lei>
        <title>A10 Networks Inc</title>
        <cusip>002121101</cusip>
        <identifiers>
          <isin value="US0021211018"/>
          <ticker value="ATEN"/>
        </identifiers>
        <balance>3137.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>57720.800000000000</valUSD>
        <pctVal>3.2837052425</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>Clear Secure Inc</name>
        <lei>N/A</lei>
        <title>Clear Secure Inc</title>
        <cusip>18467V109</cusip>
        <identifiers>
          <isin value="US18467V1098"/>
          <ticker value="YOU"/>
        </identifiers>
        <balance>2339.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>62310.960000000000</valUSD>
        <pctVal>3.5448369741</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>Palo Alto Networks Inc</name>
        <lei>549300QXR2YVZV231H43</lei>
        <title>Palo Alto Networks Inc</title>
        <cusip>697435105</cusip>
        <identifiers>
          <isin value="US6974351057"/>
          <ticker value="PANW"/>
        </identifiers>
        <balance>428.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>77878.880000000000</valUSD>
        <pctVal>4.4304875632</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>Zscaler Inc</name>
        <lei>529900MZ0RTK1BWRNF46</lei>
        <title>Zscaler Inc</title>
        <cusip>98980G102</cusip>
        <identifiers>
          <isin value="US98980G1022"/>
          <ticker value="ZS"/>
        </identifiers>
        <balance>420.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>75772.200000000000</valUSD>
        <pctVal>4.3106396719</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>Crowdstrike Holdings Inc</name>
        <lei>549300YBY08K9KM4HX32</lei>
        <title>Crowdstrike Holdings Inc</title>
        <cusip>22788C105</cusip>
        <identifiers>
          <isin value="US22788C1053"/>
          <ticker value="CRWD"/>
        </identifiers>
        <balance>260.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>88961.600000000000</valUSD>
        <pctVal>5.0609775384</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>OneSpan Inc</name>
        <lei>549300D67QDZG593UX89</lei>
        <title>OneSpan Inc</title>
        <cusip>68287N100</cusip>
        <identifiers>
          <isin value="US68287N1000"/>
          <ticker value="OSPN"/>
        </identifiers>
        <balance>1550.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>28737.000000000000</valUSD>
        <pctVal>1.6348324617</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>Qualys Inc</name>
        <lei>549300EMBXYOW9W1XA17</lei>
        <title>Qualys Inc</title>
        <cusip>74758T303</cusip>
        <identifiers>
          <isin value="US74758T3032"/>
          <ticker value="QLYS"/>
        </identifiers>
        <balance>626.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>87777.720000000000</valUSD>
        <pctVal>4.9936272425</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>Tenable Holdings Inc</name>
        <lei>5493004S5OMPESF0EF83</lei>
        <title>Tenable Holdings Inc</title>
        <cusip>88025T102</cusip>
        <identifiers>
          <isin value="US88025T1025"/>
          <ticker value="TENB"/>
        </identifiers>
        <balance>1877.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>73916.260000000000</valUSD>
        <pctVal>4.2050562443</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>Varonis Systems Inc</name>
        <lei>549300SHIVNRRH7STS26</lei>
        <title>Varonis Systems Inc</title>
        <cusip>922280102</cusip>
        <identifiers>
          <isin value="US9222801022"/>
          <ticker value="VRNS"/>
        </identifiers>
        <balance>1329.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>59047.470000000000</valUSD>
        <pctVal>3.3591787847</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>Hennge KK</name>
        <lei>N/A</lei>
        <title>Hennge KK</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="JP3835150008"/>
          <ticker value="4475"/>
        </identifiers>
        <balance>700.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="JPY" exchangeRt="157.345000000000"/>
        <valUSD>5569.930000000000</valUSD>
        <pctVal>0.3168703196</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>JP</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Cyber Security Cloud Inc</name>
        <lei>N/A</lei>
        <title>Cyber Security Cloud Inc</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="JP3311590008"/>
          <ticker value="4493"/>
        </identifiers>
        <balance>300.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="JPY" exchangeRt="157.345000000000"/>
        <valUSD>3737.010000000000</valUSD>
        <pctVal>0.2125964874</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>JP</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Booz Allen Hamilton Holding Co</name>
        <lei>529900JPV47PIUWMA015</lei>
        <title>Booz Allen Hamilton Holding Corp</title>
        <cusip>099502106</cusip>
        <identifiers>
          <isin value="US0995021062"/>
          <ticker value="BAH"/>
        </identifiers>
        <balance>483.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>62162.100000000000</valUSD>
        <pctVal>3.5363684089</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>CACI International Inc</name>
        <lei>SYRPI2D1O9WRTS2WX210</lei>
        <title>CACI International Inc</title>
        <cusip>127190304</cusip>
        <identifiers>
          <isin value="US1271903049"/>
          <ticker value="CACI"/>
        </identifiers>
        <balance>151.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>61013.060000000000</valUSD>
        <pctVal>3.4710001418</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>Fastly Inc</name>
        <lei>549300E2FZC83FJ3H565</lei>
        <title>Fastly Inc</title>
        <cusip>31188V100</cusip>
        <identifiers>
          <isin value="US31188V1008"/>
          <ticker value="FSLY"/>
        </identifiers>
        <balance>5624.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>53090.560000000000</valUSD>
        <pctVal>3.0202933812</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>First American Treasury Obliga</name>
        <lei>549300UU586IAH2B8H03</lei>
        <title>First American Treasury Obligations Fund</title>
        <cusip>31846V328</cusip>
        <identifiers>
          <isin value="US31846V3289"/>
          <ticker value="FXFXX"/>
        </identifiers>
        <balance>3511.460000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>3511.460000000000</valUSD>
        <pctVal>0.1997650693</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</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>Trend Micro Inc/Japan</name>
        <lei>3538005O5UJ5RNAGVE16</lei>
        <title>Trend Micro Inc/Japan</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="JP3637300009"/>
          <ticker value="4704"/>
        </identifiers>
        <balance>1400.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="JPY" exchangeRt="157.345000000000"/>
        <valUSD>76226.130000000000</valUSD>
        <pctVal>4.3364635053</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>JP</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>SentinelOne Inc</name>
        <lei>984500DCD44DBF954221</lei>
        <title>SentinelOne Inc</title>
        <cusip>81730H109</cusip>
        <identifiers>
          <isin value="US81730H1095"/>
          <ticker value="S"/>
        </identifiers>
        <balance>3112.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>69086.400000000000</valUSD>
        <pctVal>3.9302881087</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>Broadband Tower Inc</name>
        <lei>N/A</lei>
        <title>Broadband Tower Inc</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="JP3831480003"/>
          <ticker value="3776"/>
        </identifiers>
        <balance>2030.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="JPY" exchangeRt="157.345000000000"/>
        <valUSD>2373.890000000000</valUSD>
        <pctVal>0.1350493243</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>JP</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Change Holdings Inc</name>
        <lei>N/A</lei>
        <title>Change Holdings Inc</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="JP3507750002"/>
          <ticker value="3962"/>
        </identifiers>
        <balance>1400.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="JPY" exchangeRt="157.345000000000"/>
        <valUSD>10641.580000000000</valUSD>
        <pctVal>0.6053937581</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>JP</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Netcompany Group A/S</name>
        <lei>5299006DEGAWX1Z1X779</lei>
        <title>Netcompany Group A/S</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="DK0060952919"/>
          <ticker value="NETC"/>
        </identifiers>
        <balance>1770.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="DKK" exchangeRt="7.199200000000"/>
        <valUSD>83346.760000000000</valUSD>
        <pctVal>4.7415523132</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>DK</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>ELEMENTS Inc/Japan</name>
        <lei>N/A</lei>
        <title>ELEMENTS Inc/Japan</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="JP3168250003"/>
          <ticker value="5246"/>
        </identifiers>
        <balance>700.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="JPY" exchangeRt="157.345000000000"/>
        <valUSD>2050.910000000000</valUSD>
        <pctVal>0.1166751660</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>JP</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Check Point Software Technolog</name>
        <lei>2549003ZVBH73EPNS513</lei>
        <title>Check Point Software Technologies Ltd</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="IL0010824113"/>
          <ticker value="CHKP"/>
        </identifiers>
        <balance>384.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>71692.800000000000</valUSD>
        <pctVal>4.0785648018</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>IL</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Radware Ltd</name>
        <lei>254900LYRZOTBQ99ZG59</lei>
        <title>Radware Ltd</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="IL0010834765"/>
          <ticker value="RDWR"/>
        </identifiers>
        <balance>1544.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>34786.320000000000</valUSD>
        <pctVal>1.9789750203</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>IL</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <signature>
      <ncom:dateSigned>2025-02-14</ncom:dateSigned>
      <ncom:nameOfApplicant>Themes ETF Trust</ncom:nameOfApplicant>
      <ncom:signature>/s/ Dobromir Kamburov</ncom:signature>
      <ncom:signerName>Dobromir Kamburov</ncom:signerName>
      <ncom:title>Treasurer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
