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        <fairValLevel>2</fairValLevel>
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        <name>Madrigal Pharmaceuticals Inc</name>
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        <fairValLevel>1</fairValLevel>
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        <name>United Therapeutics Corp</name>
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        <fairValLevel>1</fairValLevel>
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        <name>Revolution Medicines Inc</name>
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        <fairValLevel>1</fairValLevel>
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        <name>Stryker Corp</name>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>ORIC Pharmaceuticals Inc</name>
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        <fairValLevel>1</fairValLevel>
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        <name>Alumis Inc</name>
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        <fairValLevel>1</fairValLevel>
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        <name>Dianthus Therapeutics Inc</name>
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        <fairValLevel>1</fairValLevel>
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        <name>CVS Health Corp</name>
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        <fairValLevel>1</fairValLevel>
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        <name>BeOne Medicines Ltd</name>
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        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>2</fairValLevel>
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        <name>TransMedics Group Inc</name>
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        <fairValLevel>1</fairValLevel>
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        <name>Tarsus Pharmaceuticals Inc</name>
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        <fairValLevel>1</fairValLevel>
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        <name>Guardant Health Inc</name>
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        <fairValLevel>1</fairValLevel>
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        <name>Fidelity Investments</name>
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        <fairValLevel>1</fairValLevel>
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        <name>Samsung Biologics Co Ltd</name>
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        <fairValLevel>2</fairValLevel>
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        <name>GeneDx Holdings Corp</name>
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        <fairValLevel>1</fairValLevel>
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        <name>AstraZeneca PLC</name>
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        <fairValLevel>2</fairValLevel>
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        <name>Intuitive Surgical Inc</name>
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        <fairValLevel>1</fairValLevel>
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        <name>Fixed Income Clearing Corp.</name>
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        <name>Citibank NA</name>
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        <fairValLevel>1</fairValLevel>
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        <name>Bridgebio Pharma Inc</name>
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        <fairValLevel>1</fairValLevel>
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        <name>Nuvalent Inc</name>
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        <title>Nuvalent Inc</title>
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        <fairValLevel>1</fairValLevel>
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        <name>Argenx SE</name>
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        <fairValLevel>2</fairValLevel>
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        <name>UCB SA</name>
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        <title>UCB SA</title>
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        <invCountry>BE</invCountry>
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        <fairValLevel>2</fairValLevel>
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      <invstOrSec>
        <name>Edwards Lifesciences Corp</name>
        <lei>YA13X31F3V31L8TMPR58</lei>
        <title>Edwards Lifesciences Corp</title>
        <cusip>28176E108</cusip>
        <identifiers>
          <isin value="US28176E1082"/>
        </identifiers>
        <balance>1775.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>148212.50000000</valUSD>
        <pctVal>1.819554967442</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>Apogee Therapeutics Inc</name>
        <lei>N/A</lei>
        <title>Apogee Therapeutics Inc</title>
        <cusip>03770N101</cusip>
        <identifiers>
          <isin value="US03770N1019"/>
        </identifiers>
        <balance>487.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>40367.43000000</valUSD>
        <pctVal>0.495577348600</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>Cencora Inc</name>
        <lei>AI8GXW8LG5WK7E9UD086</lei>
        <title>Cencora Inc</title>
        <cusip>03073E105</cusip>
        <identifiers>
          <isin value="US03073E1055"/>
        </identifiers>
        <balance>525.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>161705.25000000</valUSD>
        <pctVal>1.985200916919</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>Insmed Inc</name>
        <lei>529900Q55QAG41CCAC11</lei>
        <title>Insmed Inc</title>
        <cusip>457669307</cusip>
        <identifiers>
          <isin value="US4576693075"/>
        </identifiers>
        <balance>630.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>85887.90000000</valUSD>
        <pctVal>1.054416834532</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>Celcuity Inc</name>
        <lei>25490070W7UU7W2SEY87</lei>
        <title>Celcuity Inc</title>
        <cusip>15102K100</cusip>
        <identifiers>
          <isin value="US15102K1007"/>
        </identifiers>
        <balance>1349.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>163701.15000000</valUSD>
        <pctVal>2.009703909309</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>RadNet Inc</name>
        <lei>529900RECG94V2IZJ970</lei>
        <title>RadNet Inc</title>
        <cusip>750491102</cusip>
        <identifiers>
          <isin value="US7504911022"/>
        </identifiers>
        <balance>672.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>38001.60000000</valUSD>
        <pctVal>0.466532850135</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>Abivax SA</name>
        <lei>969500D8TMNB184OJU95</lei>
        <title>Abivax SA</title>
        <cusip>00370M103</cusip>
        <identifiers>
          <isin value="US00370M1036"/>
        </identifiers>
        <balance>1296.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>152124.48000000</valUSD>
        <pctVal>1.867581028952</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>Nektar Therapeutics</name>
        <lei>5299005I24806IOIYE03</lei>
        <title>Nektar Therapeutics</title>
        <cusip>640268306</cusip>
        <identifiers>
          <isin value="US6402683063"/>
        </identifiers>
        <balance>3038.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>258351.52000000</valUSD>
        <pctVal>3.171694638186</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>Cogent Biosciences Inc</name>
        <lei>N/A</lei>
        <title>Cogent Biosciences Inc</title>
        <cusip>19240Q201</cusip>
        <identifiers>
          <isin value="US19240Q2012"/>
        </identifiers>
        <balance>4983.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>178341.57000000</valUSD>
        <pctVal>2.189439417019</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>Natera Inc</name>
        <lei>529900CQ3OZ0A0VYVU59</lei>
        <title>Natera Inc</title>
        <cusip>632307104</cusip>
        <identifiers>
          <isin value="US6323071042"/>
        </identifiers>
        <balance>1151.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>237290.16000000</valUSD>
        <pctVal>2.913131411676</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>CG oncology Inc</name>
        <lei>N/A</lei>
        <title>CG oncology Inc</title>
        <cusip>156944100</cusip>
        <identifiers>
          <isin value="US1569441009"/>
        </identifiers>
        <balance>1223.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>81623.02000000</valUSD>
        <pctVal>1.002058338525</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>Glaukos Corp</name>
        <lei>5299004JA1LHE21M6T14</lei>
        <title>Glaukos Corp</title>
        <cusip>377322102</cusip>
        <identifiers>
          <isin value="US3773221029"/>
        </identifiers>
        <balance>526.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>75570.42000000</valUSD>
        <pctVal>0.927752605905</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>Novartis AG</name>
        <lei>5493007HIVTX6SY6XD66</lei>
        <title>Novartis AG</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="CH0012005267"/>
        </identifiers>
        <balance>1356.00000000</balance>
        <units>NS</units>
        <currencyConditional curCd="CHF" exchangeRt="0.78135000"/>
        <valUSD>200402.79000000</valUSD>
        <pctVal>2.460277588150</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>CH</invCountry>
        
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>2</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Encompass Health Corp</name>
        <lei>549300FVRPM9DRQZRG64</lei>
        <title>Encompass Health Corp</title>
        <cusip>29261A100</cusip>
        <identifiers>
          <isin value="US29261A1007"/>
        </identifiers>
        <balance>677.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>67700.00000000</valUSD>
        <pctVal>0.831130109105</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>Teva Pharmaceutical Industries Ltd</name>
        <lei>549300BAFGM4RC74ZJ94</lei>
        <title>Teva Pharmaceutical Industries Ltd</title>
        <cusip>881624209</cusip>
        <identifiers>
          <isin value="US8816242098"/>
        </identifiers>
        <balance>2957.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>103701.99000000</valUSD>
        <pctVal>1.273114420431</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>Scholar Rock Holding Corp</name>
        <lei>549300Z1FLPGL4OWJ459</lei>
        <title>Scholar Rock Holding Corp</title>
        <cusip>80706P103</cusip>
        <identifiers>
          <isin value="US80706P1030"/>
        </identifiers>
        <balance>822.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>38313.42000000</valUSD>
        <pctVal>0.470360959303</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>PTC Therapeutics Inc</name>
        <lei>549300UJLWOIWFDGB318</lei>
        <title>PTC Therapeutics Inc</title>
        <cusip>69366J200</cusip>
        <identifiers>
          <isin value="US69366J2006"/>
        </identifiers>
        <balance>1401.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>91149.06000000</valUSD>
        <pctVal>1.119006324707</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>Eli Lilly &amp; Co</name>
        <lei>FRDRIPF3EKNDJ2CQJL29</lei>
        <title>Eli Lilly &amp; Co</title>
        <cusip>532457108</cusip>
        <identifiers>
          <isin value="US5324571083"/>
        </identifiers>
        <balance>775.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>724315.00000000</valUSD>
        <pctVal>8.892171417680</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>Mirum Pharmaceuticals Inc</name>
        <lei>254900YZKR40F7F27K81</lei>
        <title>Mirum Pharmaceuticals Inc</title>
        <cusip>604749101</cusip>
        <identifiers>
          <isin value="US6047491013"/>
        </identifiers>
        <balance>1467.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>142753.77000000</valUSD>
        <pctVal>1.752539976888</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>Roivant Sciences Ltd</name>
        <lei>549300DL466NY5J6U724</lei>
        <title>Roivant Sciences Ltd</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="BMG762791017"/>
        </identifiers>
        <balance>1451.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>41397.03000000</valUSD>
        <pctVal>0.508217401189</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>BM</invCountry>
        
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>IDEXX Laboratories Inc</name>
        <lei>OGMTXK0LUU1HKV2P0J84</lei>
        <title>IDEXX Laboratories Inc</title>
        <cusip>45168D104</cusip>
        <identifiers>
          <isin value="US45168D1046"/>
        </identifiers>
        <balance>89.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>49911.20000000</valUSD>
        <pctVal>0.612743000023</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>Gilead Sciences Inc</name>
        <lei>549300WTZWR07K8MNV44</lei>
        <title>Gilead Sciences Inc</title>
        <cusip>375558103</cusip>
        <identifiers>
          <isin value="US3755581036"/>
        </identifiers>
        <balance>2647.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>346333.48000000</valUSD>
        <pctVal>4.251819542383</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <explntrNotes>
      <explntrNote note="Monthly returns presented in Item B.5.(a) have been calculated without deducting any applicable sales loads or redemption fees." noteItem="B.5.a"/>
    </explntrNotes>
    <signature>
      <ncom:dateSigned>2026-05-19</ncom:dateSigned>
      <ncom:nameOfApplicant>LORD ABBETT SECURITIES TRUST</ncom:nameOfApplicant>
      <ncom:signature>Michael Hebert</ncom:signature>
      <ncom:signerName>Michael Hebert</ncom:signerName>
      <ncom:title>Chief Financial Officer</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
