<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/nport" xmlns:com="http://www.sec.gov/edgar/common" xmlns:ncom="http://www.sec.gov/edgar/nportcommon" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sec.gov/edgar/nport eis_NPORT_Filer.xsd">
  <headerData>
    <submissionType>NPORT-P</submissionType>
    <isConfidential>false</isConfidential>
    <filerInfo>

      <filer>
        <issuerCredentials>
          <cik>0000898031</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>


      <seriesClassInfo>
        <seriesId>S000064461</seriesId>
        <classId>C000208655</classId>
        <classId>C000208654</classId>
        <classId>C000208648</classId>
        <classId>C000208656</classId>
        <classId>C000208653</classId>
        <classId>C000208649</classId>
        <classId>C000208651</classId>
        <classId>C000208652</classId>
        <classId>C000208650</classId>
      </seriesClassInfo>


    </filerInfo>
  </headerData>
  <formData>
    <genInfo>
      <regName>LORD ABBETT SECURITIES TRUST</regName>
      <regFileNumber>811-07538</regFileNumber>
      <regCik>0000898031</regCik>
      <regLei>5493002HV0D15KTWO412</regLei>
      <regStreet1>30 HUDSON STREET</regStreet1>
      <regCity>JERSEY CITY</regCity>
      <regStateConditional regCountry="US" regState="US-NJ"/>
      <regZipOrPostalCode>07302</regZipOrPostalCode>
      <regPhone>201-827-2000</regPhone>
      <seriesName>Lord Abbett Focused Growth Fund</seriesName>
      <seriesId>S000064461</seriesId>
      <seriesLei>5493003SAP843EZSKQ54</seriesLei>
      <repPdEnd>2025-10-31</repPdEnd>
      <repPdDate>2025-04-30</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>84419723.01</totAssets>
      <totLiabs>83857.46</totLiabs>
      <netAssets>84335865.55</netAssets>
      <assetsAttrMiscSec>0.00000000</assetsAttrMiscSec>
      <assetsInvested>0.00000000</assetsInvested>
      <amtPayOneYrBanksBorr>0.00000000</amtPayOneYrBanksBorr>
      <amtPayOneYrCtrldComp>0.00000000</amtPayOneYrCtrldComp>
      <amtPayOneYrOthAffil>0.00000000</amtPayOneYrOthAffil>
      <amtPayOneYrOther>0.00000000</amtPayOneYrOther>
      <amtPayAftOneYrBanksBorr>0.00000000</amtPayAftOneYrBanksBorr>
      <amtPayAftOneYrCtrldComp>0.00000000</amtPayAftOneYrCtrldComp>
      <amtPayAftOneYrOthAffil>0.00000000</amtPayAftOneYrOthAffil>
      <amtPayAftOneYrOther>0.00000000</amtPayAftOneYrOther>
      <delayDeliv>0.00000000</delayDeliv>
      <standByCommit>0.00000000</standByCommit>
      <liquidPref>0.00000000</liquidPref>
      <cshNotRptdInCorD>0.00000000</cshNotRptdInCorD>
      <isNonCashCollateral>N</isNonCashCollateral>
      <returnInfo>
        <monthlyTotReturns>
          <monthlyTotReturn classId="C000208655" rtn1="-6.64000000" rtn2="-11.65000000" rtn3="5.73000000"/>
          <monthlyTotReturn classId="C000208654" rtn1="-6.67000000" rtn2="-11.65000000" rtn3="5.70000000"/>
          <monthlyTotReturn classId="C000208648" rtn1="-6.71000000" rtn2="-11.71000000" rtn3="5.66000000"/>
          <monthlyTotReturn classId="C000208656" rtn1="-6.63000000" rtn2="-11.63000000" rtn3="5.76000000"/>
          <monthlyTotReturn classId="C000208653" rtn1="-6.67000000" rtn2="-11.67000000" rtn3="5.67000000"/>
          <monthlyTotReturn classId="C000208649" rtn1="-6.64000000" rtn2="-11.65000000" rtn3="5.73000000"/>
          <monthlyTotReturn classId="C000208651" rtn1="-6.64000000" rtn2="-11.65000000" rtn3="5.73000000"/>
          <monthlyTotReturn classId="C000208652" rtn1="-6.65000000" rtn2="-11.65000000" rtn3="5.70000000"/>
          <monthlyTotReturn classId="C000208650" rtn1="-6.63000000" rtn2="-11.63000000" rtn3="5.73000000"/>
        </monthlyTotReturns>
        <othMon1 netRealizedGain="599568.08000000" netUnrealizedAppr="-6791708.81000000"/>
        <othMon2 netRealizedGain="-1388603.42000000" netUnrealizedAppr="-9038195.24000000"/>
        <othMon3 netRealizedGain="-945391.24000000" netUnrealizedAppr="5598322.99000000"/>
      </returnInfo>
      <mon1Flow redemption="5366128.37000000" reinvestment="0.00000000" sales="6449625.96000000"/>
      <mon2Flow redemption="12667909.11000000" reinvestment="0.00000000" sales="13708814.16000000"/>
      <mon3Flow redemption="3259289.22000000" reinvestment="0.00000000" sales="5833260.39000000"/>


    </fundInfo>
    <invstOrSecs>
      <invstOrSec>
        <name>Astera Labs Inc</name>
        <lei>N/A</lei>
        <title>Astera Labs Inc</title>
        <cusip>04626A103</cusip>
        <identifiers>
          <isin value="US04626A1034"/>
        </identifiers>
        <balance>15644.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1021709.64000000</valUSD>
        <pctVal>1.211477030960</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>Atlassian Corp</name>
        <lei>549300V7ZY5P02D2MY38</lei>
        <title>Atlassian Corp</title>
        <cusip>049468101</cusip>
        <identifiers>
          <isin value="US0494681010"/>
        </identifiers>
        <balance>9327.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2129447.37000000</valUSD>
        <pctVal>2.524960591929</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>Cloudflare Inc</name>
        <lei>5493007DY18BGNLDWU14</lei>
        <title>Cloudflare Inc</title>
        <cusip>18915M107</cusip>
        <identifiers>
          <isin value="US18915M1071"/>
        </identifiers>
        <balance>12211.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1474844.58000000</valUSD>
        <pctVal>1.748775055999</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>HubSpot Inc</name>
        <lei>529900BLNVEW0MVKJB37</lei>
        <title>HubSpot Inc</title>
        <cusip>443573100</cusip>
        <identifiers>
          <isin value="US4435731009"/>
        </identifiers>
        <balance>2501.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1529361.50000000</valUSD>
        <pctVal>1.813417684191</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>Spotify Technology SA</name>
        <lei>549300B4X0JHWV0DTD60</lei>
        <title>Spotify Technology SA</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="LU1778762911"/>
        </identifiers>
        <balance>7212.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4428023.76000000</valUSD>
        <pctVal>5.250463407380</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>LU</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Carvana Co</name>
        <lei>5493003WEAK2PJ5WS063</lei>
        <title>Carvana Co</title>
        <cusip>146869102</cusip>
        <identifiers>
          <isin value="US1468691027"/>
        </identifiers>
        <balance>6532.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1596094.20000000</valUSD>
        <pctVal>1.892544992087</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>Alphabet Inc</name>
        <lei>5493006MHB84DD0ZWV18</lei>
        <title>Alphabet Inc</title>
        <cusip>02079K305</cusip>
        <identifiers>
          <isin value="US02079K3059"/>
        </identifiers>
        <balance>17591.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2793450.80000000</valUSD>
        <pctVal>3.312292797118</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>Boston Scientific Corp</name>
        <lei>Y6ZDD9FP4P8JSSJMW954</lei>
        <title>Boston Scientific Corp</title>
        <cusip>101137107</cusip>
        <identifiers>
          <isin value="US1011371077"/>
        </identifiers>
        <balance>24653.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2536054.11000000</valUSD>
        <pctVal>3.007088494866</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>Fiserv Inc</name>
        <lei>GI7UBEJLXYLGR2C7GV83</lei>
        <title>Fiserv Inc</title>
        <cusip>337738108</cusip>
        <identifiers>
          <isin value="US3377381088"/>
        </identifiers>
        <balance>7130.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1315984.10000000</valUSD>
        <pctVal>1.560408601272</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>Microsoft Corp</name>
        <lei>INR2EJN1ERAN0W5ZP974</lei>
        <title>Microsoft Corp</title>
        <cusip>594918104</cusip>
        <identifiers>
          <isin value="US5949181045"/>
        </identifiers>
        <balance>8853.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>3499236.78000000</valUSD>
        <pctVal>4.149168040405</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>Axon Enterprise Inc</name>
        <lei>549300QP2IEEGFE16681</lei>
        <title>Axon Enterprise Inc</title>
        <cusip>05464C101</cusip>
        <identifiers>
          <isin value="US05464C1018"/>
        </identifiers>
        <balance>3560.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2183348.00000000</valUSD>
        <pctVal>2.588872463407</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>58900.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>6415388.00000000</valUSD>
        <pctVal>7.606951038163</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>EMCOR Group Inc</name>
        <lei>529900X0SQJB2J7YDU43</lei>
        <title>EMCOR Group Inc</title>
        <cusip>29084Q100</cusip>
        <identifiers>
          <isin value="US29084Q1004"/>
        </identifiers>
        <balance>2311.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>926017.70000000</valUSD>
        <pctVal>1.098011734344</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>CyberArk Software Ltd</name>
        <lei>529900YEXNDM894PWS93</lei>
        <title>CyberArk Software Ltd</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="IL0011334468"/>
        </identifiers>
        <balance>6672.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2349611.52000000</valUSD>
        <pctVal>2.786016962862</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>Palantir Technologies Inc</name>
        <lei>549300UVN46B3BBDHO85</lei>
        <title>Palantir Technologies Inc</title>
        <cusip>69608A108</cusip>
        <identifiers>
          <isin value="US69608A1088"/>
        </identifiers>
        <balance>30923.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>3662520.12000000</valUSD>
        <pctVal>4.342778835688</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>DoorDash Inc</name>
        <lei>549300NUQ43FGGSK5051</lei>
        <title>DoorDash Inc</title>
        <cusip>25809K105</cusip>
        <identifiers>
          <isin value="US25809K1051"/>
        </identifiers>
        <balance>14972.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2887949.08000000</valUSD>
        <pctVal>3.424342729117</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"/>
        </identifiers>
        <balance>3751.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4245081.72000000</valUSD>
        <pctVal>5.033542600547</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>Intuitive Surgical Inc</name>
        <lei>54930052SRG011710797</lei>
        <title>Intuitive Surgical Inc</title>
        <cusip>46120E602</cusip>
        <identifiers>
          <isin value="US46120E6023"/>
        </identifiers>
        <balance>5275.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2720845.00000000</valUSD>
        <pctVal>3.226201548126</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>Broadcom Inc</name>
        <lei>549300WV6GIDOZJTV909</lei>
        <title>Broadcom Inc</title>
        <cusip>11135F101</cusip>
        <identifiers>
          <isin value="US11135F1012"/>
        </identifiers>
        <balance>11074.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2131412.78000000</valUSD>
        <pctVal>2.527291047646</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>Reddit Inc</name>
        <lei>N/A</lei>
        <title>Reddit Inc</title>
        <cusip>75734B100</cusip>
        <identifiers>
          <isin value="US75734B1008"/>
        </identifiers>
        <balance>15849.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1847517.93000000</valUSD>
        <pctVal>2.190666945731</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>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>3045597.41000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>3045597.41000000</valUSD>
        <pctVal>3.611271894985</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>4.00000000</repurchaseRt>
          <maturityDt>2025-05-01</maturityDt>
          <repurchaseCollaterals>
            <repurchaseCollateral>
              <principalAmt>3227500.00000000</principalAmt>
              <principalCd>USD</principalCd>
              <collateralVal>3106509.36000000</collateralVal>
              <collateralCd>USD</collateralCd>
              <invstCat>UST</invstCat>
            </repurchaseCollateral>
          </repurchaseCollaterals>
        </repurchaseAgrmt>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Arista Networks Inc</name>
        <lei>635400H1WKBLOQERUU95</lei>
        <title>Arista Networks Inc</title>
        <cusip>040413205</cusip>
        <identifiers>
          <isin value="US0404132054"/>
        </identifiers>
        <balance>14265.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1173581.55000000</valUSD>
        <pctVal>1.391556892606</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>ServiceNow Inc</name>
        <lei>549300HJTQM36M0E1G39</lei>
        <title>ServiceNow Inc</title>
        <cusip>81762P102</cusip>
        <identifiers>
          <isin value="US81762P1021"/>
        </identifiers>
        <balance>2038.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1946310.38000000</valUSD>
        <pctVal>2.307808626030</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>Meta Platforms Inc</name>
        <lei>BQ4BKCS1HXDV9HN80Z93</lei>
        <title>Meta Platforms Inc</title>
        <cusip>30303M102</cusip>
        <identifiers>
          <isin value="US30303M1027"/>
        </identifiers>
        <balance>10515.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>5772735.00000000</valUSD>
        <pctVal>6.844934788245</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>Argenx SE</name>
        <lei>7245009C5FZE6G9ODQ71</lei>
        <title>Argenx SE</title>
        <cusip>04016X101</cusip>
        <identifiers>
          <isin value="US04016X1019"/>
        </identifiers>
        <balance>3437.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2217346.18000000</valUSD>
        <pctVal>2.629185300393</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>Crowdstrike Holdings Inc</name>
        <lei>549300YBY08K9KM4HX32</lei>
        <title>Crowdstrike Holdings Inc</title>
        <cusip>22788C105</cusip>
        <identifiers>
          <isin value="US22788C1053"/>
        </identifiers>
        <balance>2992.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1283179.04000000</valUSD>
        <pctVal>1.521510488606</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>N/A</lei>
        <title>Natera Inc</title>
        <cusip>632307104</cusip>
        <identifiers>
          <isin value="US6323071042"/>
        </identifiers>
        <balance>18114.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2733946.02000000</valUSD>
        <pctVal>3.241735888012</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>15911.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1511545.00000000</valUSD>
        <pctVal>1.792292033931</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>Apple Inc</name>
        <lei>HWUPKR0MPOU8FGXBT394</lei>
        <title>Apple Inc</title>
        <cusip>037833100</cusip>
        <identifiers>
          <isin value="US0378331005"/>
        </identifiers>
        <balance>17005.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>3613562.50000000</valUSD>
        <pctVal>4.284728064903</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>AppLovin Corp</name>
        <lei>549300LLVXMUAOL3SQ07</lei>
        <title>AppLovin Corp</title>
        <cusip>03831W108</cusip>
        <identifiers>
          <isin value="US03831W1080"/>
        </identifiers>
        <balance>3228.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>869332.68000000</valUSD>
        <pctVal>1.030798313778</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>MercadoLibre Inc</name>
        <lei>549300DKPDN9M5S8GB14</lei>
        <title>MercadoLibre Inc</title>
        <cusip>58733R102</cusip>
        <identifiers>
          <isin value="US58733R1023"/>
        </identifiers>
        <balance>1535.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>3577854.75000000</valUSD>
        <pctVal>4.242388130680</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>26584.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4902621.28000000</valUSD>
        <pctVal>5.813210367887</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>2025-05-16</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>
