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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
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      <invstOrSec>
        <name>Mirati Therapeutics Inc</name>
        <lei>529900GYRW59IDQV6N54</lei>
        <title>Mirati Therapeutics Inc</title>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Nevro Corp</name>
        <lei>254900SH91I4BOYKUE38</lei>
        <title>Nevro Corp</title>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Mastercard Inc</name>
        <lei>AR5L2ODV9HN37376R084</lei>
        <title>Mastercard Inc</title>
        <cusip>57636Q104</cusip>
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          <isin value="US57636Q1040"/>
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        <balance>1929.00000000</balance>
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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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          <isLoanByFund>N</isLoanByFund>
        </securityLending>
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      <invstOrSec>
        <name>Square Inc</name>
        <lei>549300OHIIUWSTIZME52</lei>
        <title>Square Inc</title>
        <cusip>852234103</cusip>
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          <isin value="US8522341036"/>
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        <balance>5539.00000000</balance>
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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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          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Chewy Inc</name>
        <lei>N/A</lei>
        <title>Chewy Inc</title>
        <cusip>16679L109</cusip>
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        <balance>10019.00000000</balance>
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        <assetCat>EC</assetCat>
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        <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>Inphi Corp</name>
        <lei>549300DCMERAAZFGT726</lei>
        <title>Inphi Corp</title>
        <cusip>45772F107</cusip>
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        <balance>3980.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>520026.80000000</valUSD>
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        <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>Advanced Micro Devices Inc</name>
        <lei>R2I72C950HOYXII45366</lei>
        <title>Advanced Micro Devices Inc</title>
        <cusip>007903107</cusip>
        <identifiers>
          <isin value="US0079031078"/>
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        <balance>11226.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>869229.18000000</valUSD>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Microsoft Corp</name>
        <lei>INR2EJN1ERAN0W5ZP974</lei>
        <title>Microsoft Corp</title>
        <cusip>594918104</cusip>
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          <isin value="US5949181045"/>
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        <balance>7054.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>1446140.54000000</valUSD>
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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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          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Immunomedics Inc</name>
        <lei>5493007ZU7DDO8PSIM59</lei>
        <title>Immunomedics Inc</title>
        <cusip>452907108</cusip>
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          <isin value="US4529071080"/>
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        <balance>7407.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>312797.61000000</valUSD>
        <pctVal>1.440038895931</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>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>SVMK Inc</name>
        <lei>N/A</lei>
        <title>SVMK Inc</title>
        <cusip>78489X103</cusip>
        <identifiers>
          <isin value="US78489X1037"/>
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        <balance>18327.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>439481.46000000</valUSD>
        <pctVal>2.023258414413</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>Netflix Inc</name>
        <lei>549300Y7VHGU0I7CE873</lei>
        <title>Netflix Inc</title>
        <cusip>64110L106</cusip>
        <identifiers>
          <isin value="US64110L1061"/>
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        <balance>1251.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>611588.88000000</valUSD>
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        <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"/>
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        <balance>1776.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>483072.00000000</valUSD>
        <pctVal>2.223937930777</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>Paycom Software Inc</name>
        <lei>254900LSB0HNJUDC6Q18</lei>
        <title>Paycom Software Inc</title>
        <cusip>70432V102</cusip>
        <identifiers>
          <isin value="US70432V1026"/>
        </identifiers>
        <balance>1101.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>313091.37000000</valUSD>
        <pctVal>1.441391290619</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>1800.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>764262.00000000</valUSD>
        <pctVal>3.518463605533</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>Trade Desk Inc/The</name>
        <lei>549300GXPD31VT3E0P46</lei>
        <title>Trade Desk Inc/The</title>
        <cusip>88339J105</cusip>
        <identifiers>
          <isin value="US88339J1051"/>
        </identifiers>
        <balance>1247.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>562796.04000000</valUSD>
        <pctVal>2.590966689535</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>
    <signature>
      <ncom:dateSigned>2020-08-28</ncom:dateSigned>
      <ncom:nameOfApplicant>LORD ABBETT SECURITIES TRUST</ncom:nameOfApplicant>
      <ncom:signature>Vito Fronda</ncom:signature>
      <ncom:signerName>Vito Fronda</ncom:signerName>
      <ncom:title>Treasurer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
