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      <invstOrSec>
        <name>Gilead Sciences Inc</name>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>Glaukos Corp</name>
        <lei>5299004JA1LHE21M6T14</lei>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
        <securityLending>
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      <invstOrSec>
        <name>Guardant Health Inc</name>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
        <securityLending>
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      <invstOrSec>
        <name>HeartFlow Inc</name>
        <lei>N/A</lei>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Hinge Health Inc</name>
        <lei>N/A</lei>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>IDEXX Laboratories Inc</name>
        <lei>OGMTXK0LUU1HKV2P0J84</lei>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Illumina Inc</name>
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        <title>Illumina Inc</title>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Intuitive Surgical Inc</name>
        <lei>54930052SRG011710797</lei>
        <title>Intuitive Surgical Inc</title>
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          <isin value="US46120E6023"/>
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        <curCd>USD</curCd>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Johnson &amp; Johnson</name>
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        <title>Johnson &amp; Johnson</title>
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          <isin value="US4781601046"/>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Kymera Therapeutics Inc</name>
        <lei>N/A</lei>
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        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Eli Lilly &amp; Co</name>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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        <name>Madrigal Pharmaceuticals Inc</name>
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        <fairValLevel>1</fairValLevel>
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        <name>UCB SA</name>
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        <fairValLevel>2</fairValLevel>
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        <name>Mirum Pharmaceuticals Inc</name>
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        <fairValLevel>1</fairValLevel>
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        <name>Natera Inc</name>
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        <fairValLevel>1</fairValLevel>
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        <name>Oruka Therapeutics Inc</name>
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        <fairValLevel>1</fairValLevel>
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        <name>PTC Therapeutics Inc</name>
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        <fairValLevel>1</fairValLevel>
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        <name>Novartis AG</name>
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        <fairValLevel>2</fairValLevel>
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        <name>Praxis Precision Medicines Inc</name>
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        <fairValLevel>1</fairValLevel>
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        <name>Protagonist Therapeutics Inc</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>Scholar Rock Holding Corp</name>
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        <fairValLevel>1</fairValLevel>
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        <name>Fixed Income Clearing Corp.</name>
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        <fairValLevel>2</fairValLevel>
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        <name>Stryker Corp</name>
        <lei>5493002F0SC4JTBU5137</lei>
        <title>Stryker Corp</title>
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          <isin value="US8636671013"/>
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        <balance>186.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>60580.20000000</valUSD>
        <pctVal>0.707323608669</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>Tango Therapeutics Inc</name>
        <lei>N/A</lei>
        <title>Tango Therapeutics Inc</title>
        <cusip>87583X109</cusip>
        <identifiers>
          <isin value="US87583X1090"/>
        </identifiers>
        <balance>2000.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>54360.00000000</valUSD>
        <pctVal>0.634697663052</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>10X Genomics Inc</name>
        <lei>5493003Z6741WNLG7H43</lei>
        <title>10X Genomics Inc</title>
        <cusip>88025U109</cusip>
        <identifiers>
          <isin value="US88025U1097"/>
        </identifiers>
        <balance>3910.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>184825.70000000</valUSD>
        <pctVal>2.157991903275</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>103524.57000000</valUSD>
        <pctVal>1.208734412206</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>Thermo Fisher Scientific Inc</name>
        <lei>HCHV7422L5HDJZCRFL38</lei>
        <title>Thermo Fisher Scientific Inc</title>
        <cusip>883556102</cusip>
        <identifiers>
          <isin value="US8835561023"/>
        </identifiers>
        <balance>345.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>198133.50000000</valUSD>
        <pctVal>2.313371402178</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>United Therapeutics Corp</name>
        <lei>5299005C4HZL4UWROC14</lei>
        <title>United Therapeutics Corp</title>
        <cusip>91307C102</cusip>
        <identifiers>
          <isin value="US91307C1027"/>
        </identifiers>
        <balance>234.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>121144.14000000</valUSD>
        <pctVal>1.414457368478</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>UnitedHealth Group Inc</name>
        <lei>549300GHBMY8T5GXDE41</lei>
        <title>UnitedHealth Group Inc</title>
        <cusip>91324P102</cusip>
        <identifiers>
          <isin value="US91324P1021"/>
        </identifiers>
        <balance>1115.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>462056.00000000</valUSD>
        <pctVal>5.394883432660</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Vertex Pharmaceuticals Inc</name>
        <lei>54930015RAQRRZ5ZGJ91</lei>
        <title>Vertex Pharmaceuticals Inc</title>
        <cusip>92532F100</cusip>
        <identifiers>
          <isin value="US92532F1003"/>
        </identifiers>
        <balance>402.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>191794.20000000</valUSD>
        <pctVal>2.239354866207</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>West Pharmaceutical Services Inc</name>
        <lei>5493007NKRGM1RJQ1P16</lei>
        <title>West Pharmaceutical Services Inc</title>
        <cusip>955306105</cusip>
        <identifiers>
          <isin value="US9553061055"/>
        </identifiers>
        <balance>204.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>69555.84000000</valUSD>
        <pctVal>0.812121580199</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>Samsung Biologics Co Ltd</name>
        <lei>N/A</lei>
        <title>Samsung Biologics Co Ltd</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="KR7207940008"/>
        </identifiers>
        <balance>51.00000000</balance>
        <units>NS</units>
        <currencyConditional curCd="KRW" exchangeRt="1425.70000000"/>
        <valUSD>52470.75000000</valUSD>
        <pctVal>0.612639117064</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>KR</invCountry>
        <isRestrictedSec>Y</isRestrictedSec>
        
        <fairValLevel>2</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Galderma Group AG</name>
        <lei>89450001OK6O8ELQ4584</lei>
        <title>Galderma Group AG</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="CH1335392721"/>
        </identifiers>
        <balance>1023.00000000</balance>
        <units>NS</units>
        <currencyConditional curCd="CHF" exchangeRt="0.80845000"/>
        <valUSD>222616.36000000</valUSD>
        <pctVal>2.599228908191</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>Otsuka Holdings Co Ltd</name>
        <lei>N/A</lei>
        <title>Otsuka Holdings Co Ltd</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="JP3188220002"/>
        </identifiers>
        <balance>1448.00000000</balance>
        <units>NS</units>
        <currencyConditional curCd="JPY" exchangeRt="159.10500000"/>
        <valUSD>100403.45000000</valUSD>
        <pctVal>1.172292771843</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>JP</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>2</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Argenx SE</name>
        <lei>7245009C5FZE6G9ODQ71</lei>
        <title>Argenx SE</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="NL0010832176"/>
        </identifiers>
        <balance>7.00000000</balance>
        <units>NS</units>
        <currencyConditional curCd="EUR" exchangeRt="0.86719000"/>
        <valUSD>6013.68000000</valUSD>
        <pctVal>0.070214654936</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>NL</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>2</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Argenx SE</name>
        <lei>7245009C5FZE6G9ODQ71</lei>
        <title>Argenx SE</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="NL0010832176"/>
        </identifiers>
        <balance>135.00000000</balance>
        <units>NS</units>
        <currencyConditional curCd="EUR" exchangeRt="0.86719000"/>
        <valUSD>115627.09000000</valUSD>
        <pctVal>1.350041276831</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>NL</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>2</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>BeOne Medicines Ltd</name>
        <lei>549300JFUK6FRD5MH739</lei>
        <title>BeOne Medicines Ltd</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="CH1391448177"/>
        </identifiers>
        <balance>7131.00000000</balance>
        <units>NS</units>
        <currencyConditional curCd="HKD" exchangeRt="7.84240000"/>
        <valUSD>176278.21000000</valUSD>
        <pctVal>2.058192934769</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>Roivant Sciences Ltd</name>
        <lei>549300DL466NY5J6U724</lei>
        <title>Roivant Sciences Ltd</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="BMG762791017"/>
        </identifiers>
        <balance>2674.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>90675.34000000</valUSD>
        <pctVal>1.058709094821</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>Ascendis Pharma A/S</name>
        <lei>549300B66JN3W3J8GH73</lei>
        <title>Ascendis Pharma A/S</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="DK0060615755"/>
        </identifiers>
        <balance>698.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>170249.18000000</valUSD>
        <pctVal>1.987799055971</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>DK</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Newamsterdam Pharma Co NV</name>
        <lei>984500B6549TF6E14D36</lei>
        <title>Newamsterdam Pharma Co NV</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="NL00150012L7"/>
        </identifiers>
        <balance>2496.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>69363.84000000</valUSD>
        <pctVal>0.809879822449</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>NL</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Citibank NA</name>
        <lei>E57ODZWZ7FF32TWEFA76</lei>
        <title>CITIBANK NA DDCA</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Internal Identifier" value="_X_SLCOLLCASH"/>
        </identifiers>
        <balance>6483.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>6483.00000000</valUSD>
        <pctVal>0.075694351537</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <cashCollateralCondition cashCollateralVal="6483.00000000" isCashCollateral="Y"/>
          <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>2026-08-28</ncom:dateSigned>
      <ncom:nameOfApplicant>LORD ABBETT SECURITIES TRUST</ncom:nameOfApplicant>
      <ncom:signature>Gina Andes</ncom:signature>
      <ncom:signerName>Gina Andes</ncom:signerName>
      <ncom:title>Interim Principal Financial Officer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
