<?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</submissionType>
    <isConfidential>false</isConfidential>
    <filerInfo>

      <filer>
        <issuerCredentials>
          <cik>0001976517</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>


      <seriesClassInfo>
        <seriesId>S000097755</seriesId>
        <classId>C000267246</classId>
      </seriesClassInfo>


    </filerInfo>
  </headerData>
  <formData>
    <genInfo>
      <regName>Roundhill ETF Trust</regName>
      <regFileNumber>811-23887</regFileNumber>
      <regCik>0001976517</regCik>
      <regLei>5299005P0GRW4PIQ0W17</regLei>
      <regStreet1>154 West 14th Street</regStreet1>
      <regStreet2>2nd Floor</regStreet2>
      <regCity>New York</regCity>
      <regStateConditional regCountry="US" regState="US-NY"/>
      <regZipOrPostalCode>10011</regZipOrPostalCode>
      <regPhone>855-561-5728</regPhone>
      <seriesName>Roundhill Space &amp; Technology ETF</seriesName>
      <seriesId>S000097755</seriesId>
      <seriesLei>529900QP2T5URBYZO892</seriesLei>
      <repPdEnd>2026-12-31</repPdEnd>
      <repPdDate>2026-06-30</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>82262908.260000000000</totAssets>
      <totLiabs>7359303.270000000000</totLiabs>
      <netAssets>74903604.990000000000</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>7275554.800000000000</cshNotRptdInCorD>
      <isNonCashCollateral>N</isNonCashCollateral>
      <returnInfo>
        <monthlyTotReturns>
          <monthlyTotReturn classId="C000267246" rtn1="21.110000000000" rtn2="40.260000000000" rtn3="-25.130000000000"/>
        </monthlyTotReturns>
        <othMon1 netRealizedGain="444597.610000000000" netUnrealizedAppr="2254536.430000000000"/>
        <othMon2 netRealizedGain="-3950.730000000000" netUnrealizedAppr="15137198.370000000000"/>
        <othMon3 netRealizedGain="-2525341.950000000000" netUnrealizedAppr="-27665162.100000000000"/>
      </returnInfo>
      <mon1Flow redemption="1495400.000000000000" reinvestment=".000000000000" sales="16013583.000000000000"/>
      <mon2Flow redemption=".000000000000" reinvestment=".000000000000" sales="56904653.000000000000"/>
      <mon3Flow redemption="15184332.000000000000" reinvestment=".000000000000" sales="19406025.000000000000"/>


      <varInfo>

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

        </fundsDesignatedInfo>

      </varInfo>
    </fundInfo>
    <invstOrSecs>
      <invstOrSec>
        <name>First American Government Obli</name>
        <lei>549300R5MYM6VZF1RM44</lei>
        <title>First American Government Obligations Fund</title>
        <cusip>31846V336</cusip>
        <identifiers>
          <isin value="US31846V3362"/>
          <ticker value="FGXXX"/>
        </identifiers>
        <balance>261280.040000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>261280.040000000000</valUSD>
        <pctVal>0.3488217156</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>Planet Labs PBC</name>
        <lei>254900Q7PVI3HTQBRB44</lei>
        <title>Planet Labs PBC</title>
        <cusip>72703X106</cusip>
        <identifiers>
          <isin value="US72703X1063"/>
          <ticker value="PL"/>
        </identifiers>
        <balance>115060.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>3811937.800000000000</valUSD>
        <pctVal>5.0891246162</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>Eutelsat Communications SACA</name>
        <lei>549300EFWH9UR17YSK05</lei>
        <title>Eutelsat Communications SACA</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="FR0010221234"/>
          <ticker value="ETL"/>
        </identifiers>
        <balance>643188.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="EUR" exchangeRt=".874660000000"/>
        <valUSD>1774418.220000000000</valUSD>
        <pctVal>2.3689356744</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>FR</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>QPS Holdings Inc</name>
        <lei>N/A</lei>
        <title>QPS Holdings Inc</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="JP3244860007"/>
          <ticker value="464A"/>
        </identifiers>
        <balance>63800.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="JPY" exchangeRt="162.525000000000"/>
        <valUSD>764697.120000000000</valUSD>
        <pctVal>1.0209082995</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>Rocket Lab Corp</name>
        <lei>254900LNRW7906KUMM93</lei>
        <title>Rocket Lab Corp</title>
        <cusip>773121108</cusip>
        <identifiers>
          <isin value="US7731211089"/>
          <ticker value="RKLB"/>
        </identifiers>
        <balance>75258.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>7649975.700000000000</valUSD>
        <pctVal>10.2130941508</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>SPACEX</name>
        <lei>549300B9WLO96RQCXP87</lei>
        <title>Space Exploration Technologies Corp</title>
        <cusip>84615Q103</cusip>
        <identifiers>
          <isin value="US84615Q1031"/>
          <ticker value="SPCX"/>
        </identifiers>
        <balance>99686.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>17032349.960000000000</valUSD>
        <pctVal>22.7390256614</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>Viasat Inc</name>
        <lei>UFC8NYMNFSYIHNSM2I38</lei>
        <title>Viasat Inc</title>
        <cusip>92552V100</cusip>
        <identifiers>
          <isin value="US92552V1008"/>
          <ticker value="VSAT"/>
        </identifiers>
        <balance>45708.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4105035.480000000000</valUSD>
        <pctVal>5.4804244476</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>Astroscale Holdings Inc</name>
        <lei>254900E6SUMFYWM7KA11</lei>
        <title>Astroscale Holdings Inc</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="JP3119820003"/>
          <ticker value="186A"/>
        </identifiers>
        <balance>133400.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="JPY" exchangeRt="162.525000000000"/>
        <valUSD>965257.040000000000</valUSD>
        <pctVal>1.2886656659</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>Satellogic Inc</name>
        <lei>5299009D26BMHHTAHA11</lei>
        <title>Satellogic Inc</title>
        <cusip>80401C100</cusip>
        <identifiers>
          <isin value="US80401C1009"/>
          <ticker value="SATL"/>
        </identifiers>
        <balance>158121.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>904452.120000000000</valUSD>
        <pctVal>1.2074881044</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>SES SA</name>
        <lei>5493008JPA4HYMH1HX51</lei>
        <title>SES SA</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="LU0088087324"/>
          <ticker value="SESG"/>
        </identifiers>
        <balance>231144.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="EUR" exchangeRt=".874660000000"/>
        <valUSD>1893474.900000000000</valUSD>
        <pctVal>2.5278822031</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>LU</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Telesat Corp</name>
        <lei>N/A</lei>
        <title>Telesat Corp</title>
        <cusip>879512309</cusip>
        <identifiers>
          <isin value="CA8795123097"/>
          <ticker value="TSAT"/>
        </identifiers>
        <balance>32816.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="CAD" exchangeRt="1.418750000000"/>
        <valUSD>1663756.740000000000</valUSD>
        <pctVal>2.2211971510</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>Spire Global Inc</name>
        <lei>549300EZFBLFFHJ5MF06</lei>
        <title>Spire Global Inc</title>
        <cusip>848560306</cusip>
        <identifiers>
          <isin value="US8485603067"/>
          <ticker value="SPIR"/>
        </identifiers>
        <balance>46450.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>863970.000000000000</valUSD>
        <pctVal>1.1534424813</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>Seraphim Space Investment Trus</name>
        <lei>2138002THGUZBGZC2V85</lei>
        <title>Seraphim Space Investment Trust PLC</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="GB00BKPG0138"/>
          <ticker value="SSIT"/>
        </identifiers>
        <balance>320289.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="GBP" exchangeRt=".753440000000"/>
        <valUSD>798341.930000000000</valUSD>
        <pctVal>1.0658257772</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>GB</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>OHB SE</name>
        <lei>391200Y9EA2FRAPKRQ70</lei>
        <title>OHB SE</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="DE0005936124"/>
          <ticker value="OHB"/>
        </identifiers>
        <balance>6551.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="EUR" exchangeRt=".874660000000"/>
        <valUSD>2115859.310000000000</valUSD>
        <pctVal>2.8247763379</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>DE</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Intuitive Machines Inc</name>
        <lei>254900386IE2PEPLVM59</lei>
        <title>Intuitive Machines Inc</title>
        <cusip>46125A100</cusip>
        <identifiers>
          <isin value="US46125A1007"/>
          <ticker value="LUNR"/>
        </identifiers>
        <balance>102383.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2189972.370000000000</valUSD>
        <pctVal>2.9237209214</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>Redwire Corp</name>
        <lei>5299003GVI811TBDK812</lei>
        <title>Redwire Corp</title>
        <cusip>75776W103</cusip>
        <identifiers>
          <isin value="US75776W1036"/>
          <ticker value="RDW"/>
        </identifiers>
        <balance>117408.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1435899.840000000000</valUSD>
        <pctVal>1.9169969726</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>Voyager Technologies Inc</name>
        <lei>254900DDCLSP240FE187</lei>
        <title>Voyager Technologies Inc</title>
        <cusip>92892B103</cusip>
        <identifiers>
          <isin value="US92892B1035"/>
          <ticker value="VOYG"/>
        </identifiers>
        <balance>39498.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1273810.500000000000</valUSD>
        <pctVal>1.7005997244</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>Avio SpA</name>
        <lei>8156008F25C4B0E7C860</lei>
        <title>Avio SpA</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="IT0005119810"/>
          <ticker value="AVIO"/>
        </identifiers>
        <balance>34365.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="EUR" exchangeRt=".874660000000"/>
        <valUSD>1235656.430000000000</valUSD>
        <pctVal>1.6496621627</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>IT</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>AST SpaceMobile Inc</name>
        <lei>254900MBSC9P2UCI6623</lei>
        <title>AST SpaceMobile Inc</title>
        <cusip>00217D100</cusip>
        <identifiers>
          <isin value="US00217D1000"/>
          <ticker value="ASTS"/>
        </identifiers>
        <balance>67064.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>5959307.040000000000</valUSD>
        <pctVal>7.9559682619</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>BlackSky Technology Inc</name>
        <lei>N/A</lei>
        <title>BlackSky Technology Inc</title>
        <cusip>09263B207</cusip>
        <identifiers>
          <isin value="US09263B2079"/>
          <ticker value="BKSY"/>
        </identifiers>
        <balance>35960.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1004003.200000000000</valUSD>
        <pctVal>1.3403936969</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>Firefly Aerospace Inc</name>
        <lei>529900JPYLDP30163X55</lei>
        <title>Firefly Aerospace Inc</title>
        <cusip>31816X106</cusip>
        <identifiers>
          <isin value="US31816X1063"/>
          <ticker value="FLY"/>
        </identifiers>
        <balance>73909.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2172924.600000000000</valUSD>
        <pctVal>2.9009613093</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>Globalstar Inc</name>
        <lei>549300NEX8I0MSOW0R64</lei>
        <title>Globalstar Inc</title>
        <cusip>378973507</cusip>
        <identifiers>
          <isin value="US3789735079"/>
          <ticker value="GSAT"/>
        </identifiers>
        <balance>39899.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>3243389.710000000000</valUSD>
        <pctVal>4.3300849277</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>Iridium Communications Inc</name>
        <lei>549300U620NVQ4J1CT96</lei>
        <title>Iridium Communications Inc</title>
        <cusip>46269C102</cusip>
        <identifiers>
          <isin value="US46269C1027"/>
          <ticker value="IRDM"/>
        </identifiers>
        <balance>47823.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2623091.550000000000</valUSD>
        <pctVal>3.5019563482</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>MDA Space Ltd</name>
        <lei>984500ND87A4R2K6ED80</lei>
        <title>MDA Space Ltd</title>
        <cusip>55293N109</cusip>
        <identifiers>
          <isin value="CA55293N1096"/>
          <ticker value="MDA"/>
        </identifiers>
        <balance>58110.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2398780.800000000000</valUSD>
        <pctVal>3.2024904547</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>York Space Systems Inc</name>
        <lei>N/A</lei>
        <title>York Space Systems Inc</title>
        <cusip>987084100</cusip>
        <identifiers>
          <isin value="US9870841007"/>
          <ticker value="YSS"/>
        </identifiers>
        <balance>64911.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1598108.820000000000</valUSD>
        <pctVal>2.1335539461</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>SKY Perfect JSAT Corp</name>
        <lei>5299009SAF34W9TVEF26</lei>
        <title>SKY Perfect JSAT Corp</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="JP3396350005"/>
          <ticker value="9412"/>
        </identifiers>
        <balance>115100.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="JPY" exchangeRt="162.525000000000"/>
        <valUSD>1895848.020000000000</valUSD>
        <pctVal>2.5310504351</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>Satrec Initiative Co Ltd</name>
        <lei>N/A</lei>
        <title>Satrec Initiative Co Ltd</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="KR7099320004"/>
          <ticker value="099320"/>
        </identifiers>
        <balance>12403.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="KRW" exchangeRt="1549.300000000000"/>
        <valUSD>722100.690000000000</valUSD>
        <pctVal>0.9640399686</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>KR</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Synspective Inc</name>
        <lei>52990035A9F4MQDCUW21</lei>
        <title>Synspective Inc</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="JP3376720003"/>
          <ticker value="290A"/>
        </identifiers>
        <balance>127600.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="JPY" exchangeRt="162.525000000000"/>
        <valUSD>967255.500000000000</valUSD>
        <pctVal>1.2913337083</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>Ispace Inc/Japan</name>
        <lei>52990002CAD9O5ESMH61</lei>
        <title>Ispace Inc/Japan</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="JP3102360009"/>
          <ticker value="9348"/>
        </identifiers>
        <balance>224700.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="JPY" exchangeRt="162.525000000000"/>
        <valUSD>620767.880000000000</valUSD>
        <pctVal>0.8287556788</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>OHB SE</name>
        <lei>391200Y9EA2FRAPKRQ70</lei>
        <title>OHB SE</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="DE000A41YFG5"/>
          <ticker value="OHBA"/>
        </identifiers>
        <balance>7251.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="EUR" exchangeRt=".874660000000"/>
        <valUSD>10213.380000000000</valUSD>
        <pctVal>0.0136353651</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>DE</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Gilat Satellite Networks Ltd</name>
        <lei>529900RVHDCYJ5YWHP12</lei>
        <title>Gilat Satellite Networks Ltd</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="IL0010825102"/>
          <ticker value="GILT"/>
        </identifiers>
        <balance>75283.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1002016.730000000000</valUSD>
        <pctVal>1.3377416616</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>2026-08-04</ncom:dateSigned>
      <ncom:nameOfApplicant>Roundhill ETF Trust</ncom:nameOfApplicant>
      <ncom:signature>/s/ Justin Katz</ncom:signature>
      <ncom:signerName>Justin Katz</ncom:signerName>
      <ncom:title>VP, Operations</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
