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              <principalAmt>2091300.00000000</principalAmt>
              <principalCd>USD</principalCd>
              <collateralVal>2057056.28001900</collateralVal>
              <collateralCd>USD</collateralCd>
              <invstCat>UST</invstCat>
            </repurchaseCollateral>
          </repurchaseCollaterals>
        </repurchaseAgrmt>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Snap Inc</name>
        <lei>549300JNC0L6VP8A2Q35</lei>
        <title>Snap Inc</title>
        <cusip>83304A106</cusip>
        <identifiers>
          <isin value="US83304A1060"/>
        </identifiers>
        <balance>24795.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1532826.90000000</valUSD>
        <pctVal>3.358821196669</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>Tesla Inc</name>
        <lei>54930043XZGB27CTOV49</lei>
        <title>Tesla Inc</title>
        <cusip>88160R101</cusip>
        <identifiers>
          <isin value="US88160R1014"/>
        </identifiers>
        <balance>1522.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1079767.68000000</valUSD>
        <pctVal>2.366050968352</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>Match Group Inc</name>
        <lei>15OMOPB0A8K0EFUVD031</lei>
        <title>Match Group Inc</title>
        <cusip>57667L107</cusip>
        <identifiers>
          <isin value="US57667L1070"/>
        </identifiers>
        <balance>5143.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>800405.09000000</valUSD>
        <pctVal>1.753895095534</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>Facebook Inc</name>
        <lei>BQ4BKCS1HXDV9HN80Z93</lei>
        <title>Facebook Inc</title>
        <cusip>30303M102</cusip>
        <identifiers>
          <isin value="US30303M1027"/>
        </identifiers>
        <balance>4536.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1474562.88000000</valUSD>
        <pctVal>3.231149621112</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>TG Therapeutics Inc</name>
        <lei>529900X21UKABN9NJ529</lei>
        <title>TG Therapeutics Inc</title>
        <cusip>88322Q108</cusip>
        <identifiers>
          <isin value="US88322Q1085"/>
        </identifiers>
        <balance>9838.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>439856.98000000</valUSD>
        <pctVal>0.963840697163</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>Crowdstrike Holdings Inc</name>
        <lei>549300YBY08K9KM4HX32</lei>
        <title>Crowdstrike Holdings Inc</title>
        <cusip>22788C105</cusip>
        <identifiers>
          <isin value="US22788C1053"/>
        </identifiers>
        <balance>3164.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>659725.64000000</valUSD>
        <pctVal>1.445629942701</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>DocuSign Inc</name>
        <lei>549300Q7PVDWRZ39JG09</lei>
        <title>DocuSign Inc</title>
        <cusip>256163106</cusip>
        <identifiers>
          <isin value="US2561631068"/>
        </identifiers>
        <balance>2025.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>451453.50000000</valUSD>
        <pctVal>0.989251679436</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>Apple Inc</name>
        <lei>HWUPKR0MPOU8FGXBT394</lei>
        <title>Apple Inc</title>
        <cusip>037833100</cusip>
        <identifiers>
          <isin value="US0378331005"/>
        </identifiers>
        <balance>17442.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2292925.32000000</valUSD>
        <pctVal>5.024393926800</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>Roku Inc</name>
        <lei>549300KR6ITU0YIR1T71</lei>
        <title>Roku Inc</title>
        <cusip>77543R102</cusip>
        <identifiers>
          <isin value="US77543R1023"/>
        </identifiers>
        <balance>3477.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1192506.69000000</valUSD>
        <pctVal>2.613091372249</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>Arena Pharmaceuticals Inc</name>
        <lei>529900CVGQMPJ3A3NI85</lei>
        <title>Arena Pharmaceuticals Inc</title>
        <cusip>040047607</cusip>
        <identifiers>
          <isin value="US0400476075"/>
        </identifiers>
        <balance>5739.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>393867.57000000</valUSD>
        <pctVal>0.863065974896</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>338307101</cusip>
        <identifiers>
          <isin value="US3383071012"/>
        </identifiers>
        <balance>6304.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1184962.88000000</valUSD>
        <pctVal>2.596560928445</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>DraftKings Inc</name>
        <lei>5493008P45UYYL683Z97</lei>
        <title>DraftKings Inc</title>
        <cusip>26142R104</cusip>
        <identifiers>
          <isin value="US26142R1041"/>
        </identifiers>
        <balance>15624.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>885255.84000000</valUSD>
        <pctVal>1.939825090404</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>Amazon.com Inc</name>
        <lei>ZXTILKJKG63JELOEG630</lei>
        <title>Amazon.com Inc</title>
        <cusip>023135106</cusip>
        <identifiers>
          <isin value="US0231351067"/>
        </identifiers>
        <balance>688.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2385584.96000000</valUSD>
        <pctVal>5.227435224488</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>IDEXX Laboratories Inc</name>
        <lei>OGMTXK0LUU1HKV2P0J84</lei>
        <title>IDEXX Laboratories Inc</title>
        <cusip>45168D104</cusip>
        <identifiers>
          <isin value="US45168D1046"/>
        </identifiers>
        <balance>2218.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1217659.82000000</valUSD>
        <pctVal>2.668208402232</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>2021-05-24</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>
</edgarSubmission>
