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        <classId>C000243949</classId>
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    </filerInfo>
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      <regFileNumber>811-05443</regFileNumber>
      <regCik>0000826732</regCik>
      <regLei>3MM2UW658H6KOU4WEW86</regLei>
      <regStreet1>2020 CALAMOS COURT</regStreet1>
      <regStreet2>C/O CALAMOS ADVISORS LLC</regStreet2>
      <regCity>NAPERVILLE</regCity>
      <regStateConditional regCountry="US" regState="US-IL"/>
      <regZipOrPostalCode>60563</regZipOrPostalCode>
      <regPhone>630-245-7200</regPhone>
      <seriesName>Calamos Merger Arbitrage Fund</seriesName>
      <seriesId>S000081268</seriesId>
      <seriesLei>5493000KIMK2YSAPJF63</seriesLei>
      <repPdEnd>2024-10-31</repPdEnd>
      <repPdDate>2024-07-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
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      <totLiabs>641300.50</totLiabs>
      <netAssets>2130731.17</netAssets>
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      <assetsInvested>0.00000000</assetsInvested>
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          <indexIdentifier>Designated Reference Portfolio is the Fund`s Securities Portfolio</indexIdentifier>

        </fundsDesignatedInfo>

      </varInfo>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Options Clearing Corp.</name>
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          <other otherDesc="Bloomberg Identifier" value="BBG01KLH6PS1"/>
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        <payoffProfile>N/A</payoffProfile>
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        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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            <putOrCall>Call</putOrCall>
            <writtenOrPur>Written</writtenOrPur>
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            <terminationDt>2499-12-31</terminationDt>
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        <fairValLevel>1</fairValLevel>
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        <name>United States Steel Corp</name>
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      <invstOrSec>
        <name>Everest Consolidator Acquisition Corp</name>
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      <invstOrSec>
        <name>iRobot Corp</name>
        <lei>5493009PRNKOUKBAT390</lei>
        <title>iRobot Corp</title>
        <cusip>462726100</cusip>
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          <isin value="US4627261005"/>
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        <balance>400.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4716.00000000</valUSD>
        <pctVal>0.221332473396</pctVal>
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        <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>
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      </invstOrSec>
      <invstOrSec>
        <name>Synopsys Inc</name>
        <lei>QG7T915N9S0NY5UKNE63</lei>
        <title>Synopsys Inc</title>
        <cusip>871607107</cusip>
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          <isin value="US8716071076"/>
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        <balance>-106.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>-59181.92000000</valUSD>
        <pctVal>-2.77754044401</pctVal>
        <payoffProfile>Short</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>
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      </invstOrSec>
      <invstOrSec>
        <name>ALIBABA GROUP HOLDING</name>
        <lei>5493001NTNQJDH60PM02</lei>
        <title>Alibaba Group Holding Ltd</title>
        <cusip>01609WBF8</cusip>
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          <isin value="US01609WBF86"/>
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        <balance>43000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>43236.50000000</valUSD>
        <pctVal>2.029186065739</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>KY</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2031-06-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.50000000</annualizedRt>
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          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
          <isMandatoryConvrtbl>N</isMandatoryConvrtbl>
          <isContngtConvrtbl>N</isContngtConvrtbl>
          <dbtSecRefInstruments>
            <dbtSecRefInstrument>
              <name>Alibaba Group Holding Ltd.</name>
              <title>Alibaba Group Holding Ltd.</title>
              <curCd>USD</curCd>
              <identifiers>
                <cusip value="01609W102"/>
                <isin value="US01609W1027"/>
              </identifiers>
            </dbtSecRefInstrument>
          </dbtSecRefInstruments>
          <currencyInfos>
            <currencyInfo convRatio="9.72710000" curCd="USD"/>
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          <delta>XXXX</delta>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Albertsons Cos Inc</name>
        <lei>549300YKWOC0AOR16R51</lei>
        <title>Albertsons Cos Inc</title>
        <cusip>013091103</cusip>
        <identifiers>
          <isin value="US0130911037"/>
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        <balance>7246.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>143688.18000000</valUSD>
        <pctVal>6.743609049470</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>
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      </invstOrSec>
      <invstOrSec>
        <name>ChampionX Corp</name>
        <lei>549300EP2909K6DYYP38</lei>
        <title>ChampionX Corp</title>
        <cusip>15872M104</cusip>
        <identifiers>
          <isin value="US15872M1045"/>
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        <balance>975.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>33403.50000000</valUSD>
        <pctVal>1.567701288192</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>
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      </invstOrSec>
      <invstOrSec>
        <name>Quetta Acquisition Corp</name>
        <lei>N/A</lei>
        <title>Quetta Acquisition Corp</title>
        <cusip>74841A105</cusip>
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          <isin value="US74841A1051"/>
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        <balance>230.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2380.50000000</valUSD>
        <pctVal>0.111722212239</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>
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      </invstOrSec>
      <invstOrSec>
        <name>Options Clearing Corp.</name>
        <lei>549300CII6SLYGKNHA04</lei>
        <title>TEGNA INC</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Bloomberg Identifier" value="BBG01LJRDVB7"/>
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        <balance>-5.00000000</balance>
        <units>NC</units>
        <curCd>USD</curCd>
        <valUSD>-425.00000000</valUSD>
        <pctVal>-0.01994620466</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DE</assetCat>
        <issuerConditional desc="derivative" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <derivativeInfo>
          <optionSwaptionWarrantDeriv derivCat="OPT">
            <counterparties>
              <counterpartyName>Options Clearing Corp.</counterpartyName>
              <counterpartyLei>549300CII6SLYGKNHA04</counterpartyLei>
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            <putOrCall>Call</putOrCall>
            <writtenOrPur>Written</writtenOrPur>
            <descRefInstrmnt>
              <otherRefInst>
                <issuerName>TEGNA, Inc.</issuerName>
                <issueTitle>TEGNA, Inc.</issueTitle>
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                  <cusip value="87901J105"/>
                  <isin value="US87901J1051"/>
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            <shareNo>100.00000000</shareNo>
            <exercisePrice>16.00000000</exercisePrice>
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            <expDt>2024-10-18</expDt>
            <delta>XXXX</delta>
            <unrealizedAppr>50.98000000</unrealizedAppr>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>SHIFT4 PAYMENTS INC</name>
        <lei>N/A</lei>
        <title>Shift4 Payments Inc</title>
        <cusip>82452JAD1</cusip>
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          <isin value="US82452JAD19"/>
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        <balance>88000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>82544.00000000</valUSD>
        <pctVal>3.873975335893</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2027-08-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.50000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
          <isMandatoryConvrtbl>N</isMandatoryConvrtbl>
          <isContngtConvrtbl>Y</isContngtConvrtbl>
          <dbtSecRefInstruments>
            <dbtSecRefInstrument>
              <name>Shift4 Payments Inc</name>
              <title>Shift4 Payments Inc</title>
              <curCd>USD</curCd>
              <identifiers>
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                <isin value="US82452J1097"/>
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          </dbtSecRefInstruments>
          <currencyInfos>
            <currencyInfo convRatio="8.15240000" curCd="USD"/>
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          <delta>XXXX</delta>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>ENVESTNET INC</name>
        <lei>549300HLWZ5OKIDM8737</lei>
        <title>Envestnet Inc</title>
        <cusip>29404KAE6</cusip>
        <identifiers>
          <isin value="US29404KAE64"/>
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        <balance>68000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>66433.96000000</valUSD>
        <pctVal>3.117894971236</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2025-08-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.75000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
          <isMandatoryConvrtbl>N</isMandatoryConvrtbl>
          <isContngtConvrtbl>Y</isContngtConvrtbl>
          <dbtSecRefInstruments>
            <dbtSecRefInstrument>
              <name>Envestnet Inc</name>
              <title>Envestnet Inc</title>
              <curCd>USD</curCd>
              <identifiers>
                <cusip value="29404K106"/>
                <isin value="US29404K1060"/>
              </identifiers>
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          </dbtSecRefInstruments>
          <currencyInfos>
            <currencyInfo convRatio="9.36820000" curCd="USD"/>
          </currencyInfos>
          <delta>XXXX</delta>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Noble Corp PLC</name>
        <lei>549300I3HBUNXO0OG954</lei>
        <title>Noble Corp PLC</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="GB00BMXNWH07"/>
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        <balance>-483.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>-22807.26000000</valUSD>
        <pctVal>-1.07039594300</pctVal>
        <payoffProfile>Short</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>
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      <invstOrSec>
        <name>Schlumberger NV</name>
        <lei>213800ZUA17OK3QLGM62</lei>
        <title>Schlumberger NV</title>
        <cusip>806857108</cusip>
        <identifiers>
          <isin value="AN8068571086"/>
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        <balance>-717.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>-34623.93000000</valUSD>
        <pctVal>-1.62497880950</pctVal>
        <payoffProfile>Short</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>CW</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Generation Asia I Acquisition Ltd</name>
        <lei>N/A</lei>
        <title>Generation Asia I Acquisition Ltd</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="KYG382581026"/>
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        <balance>200.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2251.00000000</valUSD>
        <pctVal>0.105644486347</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>KY</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Juniper Networks Inc</name>
        <lei>AUHIXNGG7U2U7JEHM527</lei>
        <title>Juniper Networks Inc</title>
        <cusip>48203R104</cusip>
        <identifiers>
          <isin value="US48203R1041"/>
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        <balance>4215.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>158863.35000000</valUSD>
        <pctVal>7.455813865059</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>PERFICIENT INC</name>
        <lei>549300HTBXKL2755T650</lei>
        <title>Perficient Inc</title>
        <cusip>71375UAF8</cusip>
        <identifiers>
          <isin value="US71375UAF84"/>
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        <balance>133000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>130532.85000000</valUSD>
        <pctVal>6.126199862181</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2026-11-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.13000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
          <isMandatoryConvrtbl>N</isMandatoryConvrtbl>
          <isContngtConvrtbl>Y</isContngtConvrtbl>
          <dbtSecRefInstruments>
            <dbtSecRefInstrument>
              <name>PERFICIENT INC</name>
              <title>PERFICIENT INC</title>
              <curCd>USD</curCd>
              <identifiers>
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                <isin value="US71375UAD37"/>
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          </dbtSecRefInstruments>
          <currencyInfos>
            <currencyInfo convRatio="5.21000000" curCd="USD"/>
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          <delta>XXXX</delta>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Black Hawk Acquisition Corp</name>
        <lei>N/A</lei>
        <title>Black Hawk Acquisition Corp</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="KYG1148A1278"/>
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        <balance>409.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>4233.15000000</valUSD>
        <pctVal>0.198671238286</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>KY</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Options Clearing Corp.</name>
        <lei>549300CII6SLYGKNHA04</lei>
        <title>IROBOT CORP</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Bloomberg Identifier" value="BBG01L3MGYZ0"/>
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        <balance>-4.00000000</balance>
        <units>NC</units>
        <curCd>USD</curCd>
        <valUSD>-800.00000000</valUSD>
        <pctVal>-0.03754579701</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DE</assetCat>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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            <putOrCall>Call</putOrCall>
            <writtenOrPur>Written</writtenOrPur>
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                <issuerName>iRobot Corp.</issuerName>
                <issueTitle>iRobot Corp.</issueTitle>
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                  <isin value="US4627261005"/>
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            <shareNo>100.00000000</shareNo>
            <exercisePrice>11.00000000</exercisePrice>
            <exercisePriceCurCd>USD</exercisePriceCurCd>
            <expDt>2024-09-20</expDt>
            <delta>XXXX</delta>
            <unrealizedAppr>-129.49000000</unrealizedAppr>
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          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>PNM Resources Inc</name>
        <lei>5493003JOBJGLZSDDQ28</lei>
        <title>PNM Resources Inc</title>
        <cusip>69349H107</cusip>
        <identifiers>
          <isin value="US69349H1077"/>
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        <balance>1200.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>49896.00000000</valUSD>
        <pctVal>2.341731359756</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>CEREVEL THERAP HLDS INC</name>
        <lei>254900RJNIRS9COSQR41</lei>
        <title>Cerevel Therapeutics Holdings Inc</title>
        <cusip>15678UAA0</cusip>
        <identifiers>
          <isin value="US15678UAA07"/>
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        <balance>58000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>67032.92000000</valUSD>
        <pctVal>3.146005509460</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2027-08-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>2.50000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
          <isMandatoryConvrtbl>N</isMandatoryConvrtbl>
          <isContngtConvrtbl>Y</isContngtConvrtbl>
          <dbtSecRefInstruments>
            <dbtSecRefInstrument>
              <name>Cerevel Therapeutics Holdings Inc</name>
              <title>Cerevel Therapeutics Holdings Inc</title>
              <curCd>USD</curCd>
              <identifiers>
                <cusip value="15678U128"/>
                <isin value="US15678U1280"/>
              </identifiers>
            </dbtSecRefInstrument>
          </dbtSecRefInstruments>
          <currencyInfos>
            <currencyInfo convRatio="21.56330000" curCd="USD"/>
          </currencyInfos>
          <delta>XXXX</delta>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Chesapeake Energy Corp</name>
        <lei>X2MT1W32SPAZ9WSKLE78</lei>
        <title>Chesapeake Energy Corp</title>
        <cusip>165167735</cusip>
        <identifiers>
          <isin value="US1651677353"/>
        </identifiers>
        <balance>-1980.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>-151133.40000000</valUSD>
        <pctVal>-7.09302994802</pctVal>
        <payoffProfile>Short</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>Matterport Inc</name>
        <lei>N/A</lei>
        <title>Matterport Inc</title>
        <cusip>577096100</cusip>
        <identifiers>
          <isin value="US5770961002"/>
        </identifiers>
        <balance>1225.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>5439.00000000</valUSD>
        <pctVal>0.255264487448</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>FIVE9 INC</name>
        <lei>254900MXP6EWY0SFFR59</lei>
        <title>Five9 Inc</title>
        <cusip>338307AE1</cusip>
        <identifiers>
          <isin value="US338307AE16"/>
        </identifiers>
        <balance>74000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>66854.56000000</valUSD>
        <pctVal>3.137634674016</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2029-03-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>1.00000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
          <isMandatoryConvrtbl>N</isMandatoryConvrtbl>
          <isContngtConvrtbl>Y</isContngtConvrtbl>
          <dbtSecRefInstruments>
            <dbtSecRefInstrument>
              <name>Five9, Inc.</name>
              <title>Five9, Inc.</title>
              <curCd>USD</curCd>
              <identifiers>
                <cusip value="338307101"/>
                <isin value="US3383071012"/>
              </identifiers>
            </dbtSecRefInstrument>
          </dbtSecRefInstruments>
          <currencyInfos>
            <currencyInfo convRatio="12.59180000" curCd="USD"/>
          </currencyInfos>
          <delta>XXXX</delta>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Ai Transportation Acquisition Corp</name>
        <lei>N/A</lei>
        <title>Ai Transportation Acquisition Corp</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="KYG014901121"/>
        </identifiers>
        <balance>327.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>3400.80000000</valUSD>
        <pctVal>0.159607183106</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>KY</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Twilio Inc</name>
        <lei>5493004W8TRGD63APX93</lei>
        <title>Twilio Inc</title>
        <cusip>90138F102</cusip>
        <identifiers>
          <isin value="US90138F1021"/>
        </identifiers>
        <balance>173.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>10229.49000000</valUSD>
        <pctVal>0.480092943869</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>WOLFSPEED INC</name>
        <lei>549300OGU88P3AW3TO93</lei>
        <title>Wolfspeed Inc</title>
        <cusip>977852AB8</cusip>
        <identifiers>
          <isin value="US977852AB88"/>
        </identifiers>
        <balance>27000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>14362.38000000</valUSD>
        <pctVal>0.674058755145</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2028-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.25000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
          <isMandatoryConvrtbl>N</isMandatoryConvrtbl>
          <isContngtConvrtbl>Y</isContngtConvrtbl>
          <dbtSecRefInstruments>
            <dbtSecRefInstrument>
              <name>Wolfspeed, Inc.</name>
              <title>Wolfspeed, Inc.</title>
              <curCd>USD</curCd>
              <identifiers>
                <cusip value="977852102"/>
                <isin value="US9778521024"/>
              </identifiers>
            </dbtSecRefInstrument>
          </dbtSecRefInstruments>
          <currencyInfos>
            <currencyInfo convRatio="7.86020000" curCd="USD"/>
          </currencyInfos>
          <delta>XXXX</delta>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>TEGNA Inc</name>
        <lei>549300YC5EDBGX85AO10</lei>
        <title>TEGNA Inc</title>
        <cusip>87901J105</cusip>
        <identifiers>
          <isin value="US87901J1051"/>
        </identifiers>
        <balance>1181.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>18813.33000000</valUSD>
        <pctVal>0.882951836669</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>310.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>97225.30000000</valUSD>
        <pctVal>4.563001723018</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>TECHTARGET INC</name>
        <lei>529900YQA5JL2H2VMB84</lei>
        <title>TechTarget Inc</title>
        <cusip>87874RAD2</cusip>
        <identifiers>
          <isin value="US87874RAD26"/>
        </identifiers>
        <balance>91000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>88206.30000000</valUSD>
        <pctVal>4.139719793933</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2026-12-15</maturityDt>
          <couponKind>None</couponKind>
          <annualizedRt>0.00000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
          <isMandatoryConvrtbl>N</isMandatoryConvrtbl>
          <isContngtConvrtbl>Y</isContngtConvrtbl>
          <dbtSecRefInstruments>
            <dbtSecRefInstrument>
              <name>TechTarget, Inc.</name>
              <title>TechTarget, Inc.</title>
              <curCd>USD</curCd>
              <identifiers>
                <cusip value="87874R100"/>
                <isin value="US87874R1005"/>
              </identifiers>
            </dbtSecRefInstrument>
          </dbtSecRefInstruments>
          <currencyInfos>
            <currencyInfo convRatio="7.60430000" curCd="USD"/>
          </currencyInfos>
          <delta>XXXX</delta>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Diamond Offshore Drilling Inc</name>
        <lei>F14FQJ2EEHW5VPYUHL14</lei>
        <title>Diamond Offshore Drilling Inc</title>
        <cusip>25271C201</cusip>
        <identifiers>
          <isin value="US25271C2017"/>
        </identifiers>
        <balance>2780.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>45647.60000000</valUSD>
        <pctVal>2.142344404714</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>Spark I Acquisition Corp</name>
        <lei>N/A</lei>
        <title>Spark I Acquisition Corp</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="KYG8316B1187"/>
        </identifiers>
        <balance>115.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>22.43000000</valUSD>
        <pctVal>0.001052690283</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DE</assetCat>
        <issuerConditional desc="derivative" issuerCat="OTHER"/>
        <invCountry>KY</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <derivativeInfo>
          <optionSwaptionWarrantDeriv derivCat="WAR">
            <counterparties>
              <counterpartyName>N/A</counterpartyName>
              <counterpartyLei>N/A</counterpartyLei>
            </counterparties>
            <putOrCall>Call</putOrCall>
            <writtenOrPur>Purchased</writtenOrPur>
            <descRefInstrmnt>
              <otherRefInst>
                <issuerName>Spark I Acquisition Corp.</issuerName>
                <issueTitle>Spark I Acquisition Corp.</issueTitle>
                <identifiers>
                  <isin value="KYG8316B1005"/>
                </identifiers>
              </otherRefInst>
            </descRefInstrmnt>
            <shareNo>1.00000000</shareNo>
            <exercisePrice>11.50000000</exercisePrice>
            <exercisePriceCurCd>USD</exercisePriceCurCd>
            <expDt>2028-11-27</expDt>
            <delta>XXXX</delta>
            <unrealizedAppr>6.18000000</unrealizedAppr>
          </optionSwaptionWarrantDeriv>
        </derivativeInfo>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Southwestern Energy Co</name>
        <lei>EFWMP121W54QV9MGOP87</lei>
        <title>Southwestern Energy Co</title>
        <cusip>845467109</cusip>
        <identifiers>
          <isin value="US8454671095"/>
        </identifiers>
        <balance>22845.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>147350.25000000</valUSD>
        <pctVal>6.915478220558</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>Boston Beer Co Inc/The</name>
        <lei>529900Q02MQ0DCQNRM58</lei>
        <title>Boston Beer Co Inc/The</title>
        <cusip>100557107</cusip>
        <identifiers>
          <isin value="US1005571070"/>
        </identifiers>
        <balance>58.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>16252.18000000</valUSD>
        <pctVal>0.762751314141</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>Four Leaf Acquisition Corp</name>
        <lei>N/A</lei>
        <title>Four Leaf Acquisition Corp</title>
        <cusip>35088F107</cusip>
        <identifiers>
          <isin value="US35088F1075"/>
        </identifiers>
        <balance>1500.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>16455.00000000</valUSD>
        <pctVal>0.772270112329</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>Spark I Acquisition Corp</name>
        <lei>N/A</lei>
        <title>Spark I Acquisition Corp</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="KYG8316B1005"/>
        </identifiers>
        <balance>231.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2407.02000000</valUSD>
        <pctVal>0.112966855410</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>KY</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <explntrNotes>
      <explntrNote note="Total returns reported in Item B.5(a) do not reflect the effect of sales loads or contingent deferred sales charges." noteItem="B.5.a"/>
    </explntrNotes>
    <signature>
      <ncom:dateSigned>2024-09-27</ncom:dateSigned>
      <ncom:nameOfApplicant>CALAMOS INVESTMENT TRUST/IL</ncom:nameOfApplicant>
      <ncom:signature>Stephen Atkins</ncom:signature>
      <ncom:signerName>Stephen Atkins</ncom:signerName>
      <ncom:title>Treasurer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
