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        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>2</fairValLevel>
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          <transCat>Repurchase</transCat>
          <clearedCentCparty centralCounterparty="Fixed Income Clearing Corp." isCleared="Y"/>
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            <repurchaseCollateral>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Griffon Corp</name>
        <lei>5493000C2SGNC7ZN3242</lei>
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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>
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      <invstOrSec>
        <name>Northern Oil &amp; Gas Inc</name>
        <lei>OKFF0PIZDDMNH4UCYE51</lei>
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        <assetCat>EC</assetCat>
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        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Rush Enterprises Inc</name>
        <lei>529900V3XHTN7A6DFT17</lei>
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          <isin value="US7818462092"/>
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        <curCd>USD</curCd>
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        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Littelfuse Inc</name>
        <lei>549300MY7HLQFYTPCX75</lei>
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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>
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      <invstOrSec>
        <name>TriMas Corp</name>
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          <isin value="US8962152091"/>
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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>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Chord Energy Corp</name>
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          <isin value="US6742152076"/>
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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>Seacoast Banking Corp of Florida</name>
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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>Cushman &amp; Wakefield Ltd</name>
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        <assetCat>EC</assetCat>
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        <invCountry>BM</invCountry>
        
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>LCI Industries</name>
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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>Landstar System Inc</name>
        <lei>254900CUQXQRL09MEI52</lei>
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          <isin value="US5150981018"/>
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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>Azenta Inc</name>
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        <assetCat>EC</assetCat>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>IDACORP Inc</name>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>White Mountains Insurance Group Ltd</name>
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        <assetCat>EC</assetCat>
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        <invCountry>BM</invCountry>
        
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
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        <name>Fortrea Holdings Inc</name>
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        <fairValLevel>1</fairValLevel>
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        <name>PriceSmart Inc</name>
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        <fairValLevel>1</fairValLevel>
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        <name>Moelis &amp; Co</name>
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        <fairValLevel>1</fairValLevel>
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        <name>Brady Corp</name>
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        <fairValLevel>1</fairValLevel>
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        <name>Hexcel Corp</name>
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        <fairValLevel>1</fairValLevel>
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        <name>Phibro Animal Health Corp</name>
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        <fairValLevel>1</fairValLevel>
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        <name>Blackbaud Inc</name>
        <lei>54930056X3HKFMNG3754</lei>
        <title>Blackbaud Inc</title>
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        <fairValLevel>1</fairValLevel>
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        <name>Bank of NT Butterfield &amp; Son Ltd/The</name>
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        <fairValLevel>1</fairValLevel>
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        <name>Genpact Ltd</name>
        <lei>529900OSEC6Q0L4L5B35</lei>
        <title>Genpact Ltd</title>
        <cusip>000000000</cusip>
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        <assetCat>EC</assetCat>
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        <invCountry>BM</invCountry>
        
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
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        <name>Element Solutions Inc</name>
        <lei>549300FLGN6P5CU20J91</lei>
        <title>Element Solutions Inc</title>
        <cusip>28618M106</cusip>
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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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          <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>2026-05-19</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>
