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        <fairValLevel>1</fairValLevel>
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        <fairValLevel>1</fairValLevel>
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        <fairValLevel>1</fairValLevel>
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        <fairValLevel>1</fairValLevel>
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        <name>GE Vernova Inc</name>
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        <fairValLevel>1</fairValLevel>
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        <name>General Electric Co</name>
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        <fairValLevel>1</fairValLevel>
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        <fairValLevel>1</fairValLevel>
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        <fairValLevel>1</fairValLevel>
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        <name>Modine Manufacturing Co</name>
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        <balance>141298.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>28409375.88000000</valUSD>
        <pctVal>0.382320694886</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>Monolithic Power Systems Inc</name>
        <lei>529900TB7O85LSZ1XU31</lei>
        <title>Monolithic Power Systems Inc</title>
        <cusip>609839105</cusip>
        <identifiers>
          <isin value="US6098391054"/>
        </identifiers>
        <balance>76196.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>108657781.88000000</valUSD>
        <pctVal>1.462267909321</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>371818.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>99557987.68000000</valUSD>
        <pctVal>1.339806942330</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>Nextpower Inc</name>
        <lei>N/A</lei>
        <title>Nextpower Inc</title>
        <cusip>65290E101</cusip>
        <identifiers>
          <isin value="US65290E1010"/>
        </identifiers>
        <balance>580806.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>52197035.22000000</valUSD>
        <pctVal>0.702444392323</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>NVIDIA Corp</name>
        <lei>549300S4KLFTLO7GSQ80</lei>
        <title>NVIDIA Corp</title>
        <cusip>67066G104</cusip>
        <identifiers>
          <isin value="US67066G1040"/>
        </identifiers>
        <balance>4749500.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>953462125.00000000</valUSD>
        <pctVal>12.83126752652</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>Palantir Technologies Inc</name>
        <lei>549300UVN46B3BBDHO85</lei>
        <title>Palantir Technologies Inc</title>
        <cusip>69608A108</cusip>
        <identifiers>
          <isin value="US69608A1088"/>
        </identifiers>
        <balance>280339.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>34498517.34000000</valUSD>
        <pctVal>0.464265641656</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>Revolution Medicines Inc</name>
        <lei>549300JU3X0LBCQ65892</lei>
        <title>Revolution Medicines Inc</title>
        <cusip>76155X100</cusip>
        <identifiers>
          <isin value="US76155X1000"/>
        </identifiers>
        <balance>613872.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>115119416.16000000</valUSD>
        <pctVal>1.549225698132</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>Sandisk Corp</name>
        <lei>5299007I9R9N3RO43S32</lei>
        <title>Sandisk Corp</title>
        <cusip>80004C200</cusip>
        <identifiers>
          <isin value="US80004C2008"/>
        </identifiers>
        <balance>75373.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>91565381.59000000</valUSD>
        <pctVal>1.232246018529</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>Shopify Inc</name>
        <lei>549300HGQ43STJLLP808</lei>
        <title>Shopify Inc</title>
        <cusip>82509L107</cusip>
        <identifiers>
          <isin value="CA82509L1076"/>
        </identifiers>
        <balance>415118.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>48631073.70000000</valUSD>
        <pctVal>0.654455274504</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>CA</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Snowflake Inc</name>
        <lei>254900CJNSY1K7T53Z16</lei>
        <title>Snowflake Inc</title>
        <cusip>833445109</cusip>
        <identifiers>
          <isin value="US8334451098"/>
        </identifiers>
        <balance>374298.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>109774117.44000000</valUSD>
        <pctVal>1.477291054807</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>Space Exploration Technologies Corp</name>
        <lei>549300B9WLO96RQCXP87</lei>
        <title>Space Exploration Technologies Corp</title>
        <cusip>84615Q103</cusip>
        <identifiers>
          <isin value="US84615Q1031"/>
        </identifiers>
        <balance>188110.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>20385480.70000000</valUSD>
        <pctVal>0.274338696483</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>
          <loanByFundCondition isLoanByFund="Y" loanVal="20894781.60000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Fixed Income Clearing Corp.</name>
        <lei>549300H47WTHXPU08X20</lei>
        <title>FIXED INC CLEARING CORP.REPO</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Internal Identifier" value="85748R009"/>
        </identifiers>
        <balance>71152206.36000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>71152206.36000000</valUSD>
        <pctVal>0.957534621427</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>RA</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>2</fairValLevel>
        <repurchaseAgrmt>
          <transCat>Repurchase</transCat>
          <clearedCentCparty centralCounterparty="Fixed Income Clearing Corp." isCleared="Y"/>
          <isTriParty>N</isTriParty>
          <repurchaseRt>3.25000000</repurchaseRt>
          <maturityDt>2026-08-03</maturityDt>
          <repurchaseCollaterals>
            <repurchaseCollateral>
              <principalAmt>62546500.00000000</principalAmt>
              <principalCd>USD</principalCd>
              <collateralVal>72575250.49000000</collateralVal>
              <collateralCd>USD</collateralCd>
              <invstCat>UST</invstCat>
            </repurchaseCollateral>
          </repurchaseCollaterals>
        </repurchaseAgrmt>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Sterling Infrastructure Inc</name>
        <lei>549300RZIK6K1215XU51</lei>
        <title>Sterling Infrastructure Inc</title>
        <cusip>859241101</cusip>
        <identifiers>
          <isin value="US8592411016"/>
        </identifiers>
        <balance>89233.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>53251577.41000000</valUSD>
        <pctVal>0.716635950229</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>Teradyne Inc</name>
        <lei>C3X4YJ278QNZHRJULN75</lei>
        <title>Teradyne Inc</title>
        <cusip>880770102</cusip>
        <identifiers>
          <isin value="US8807701029"/>
        </identifiers>
        <balance>130846.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>48110765.74000000</valUSD>
        <pctVal>0.647453202313</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>Twilio Inc</name>
        <lei>5493004W8TRGD63APX93</lei>
        <title>Twilio Inc</title>
        <cusip>90138F102</cusip>
        <identifiers>
          <isin value="US90138F1021"/>
        </identifiers>
        <balance>390855.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>77135234.25000000</valUSD>
        <pctVal>1.038051539155</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>160408.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>76530656.80000000</valUSD>
        <pctVal>1.029915405796</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>Vertiv Holdings Co</name>
        <lei>549300KTTIRAOGXCRV69</lei>
        <title>Vertiv Holdings Co</title>
        <cusip>92537N108</cusip>
        <identifiers>
          <isin value="US92537N1081"/>
        </identifiers>
        <balance>289055.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>69827016.35000000</valUSD>
        <pctVal>0.939700806013</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>XPO Inc</name>
        <lei>54930096DB9LCLPN7H13</lei>
        <title>XPO Inc</title>
        <cusip>983793100</cusip>
        <identifiers>
          <isin value="US9837931008"/>
        </identifiers>
        <balance>270357.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>54333646.29000000</valUSD>
        <pctVal>0.731197950037</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>Viking Holdings Ltd</name>
        <lei>52990032GOPN7BVQMN13</lei>
        <title>Viking Holdings Ltd</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="BMG93A5A1010"/>
        </identifiers>
        <balance>652757.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>68115192.95000000</valUSD>
        <pctVal>0.916663851080</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>Innio NV</name>
        <lei>2549000WCDQX6ZM7AW92</lei>
        <title>Innio NV</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="NL00150745D9"/>
        </identifiers>
        <balance>1198219.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>29260507.98000000</valUSD>
        <pctVal>0.393774850630</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>2132310.60000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2132310.60000000</valUSD>
        <pctVal>0.028695683909</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <cashCollateralCondition cashCollateralVal="2132310.60000000" 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>
