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      <regLei>5493008OZQ1GMZMEC410</regLei>
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      <repPdEnd>2024-11-30</repPdEnd>
      <repPdDate>2024-11-30</repPdDate>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>Old Dominion Freight Line Inc</name>
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      <invstOrSec>
        <name>Microsoft Corp</name>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>NVIDIA Corp</name>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Linde PLC</name>
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        <assetCat>EC</assetCat>
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        <invCountry>IE</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Walmart Inc</name>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Coca-Cola Co/The</name>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>Exxon Mobil Corp</name>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>CMS Energy Corp</name>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>Steel Dynamics Inc</name>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>TJX Cos Inc/The</name>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>Mastercard Inc</name>
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        <name>Broadcom Inc</name>
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        <name>Bank of America Corp</name>
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        <name>Home Depot Inc/The</name>
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        <name>Abbott Laboratories</name>
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        <name>Parker-Hannifin Corp</name>
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        <name>Watsco Inc</name>
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        <name>Sherwin-Williams Co/The</name>
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        <name>Analog Devices Inc</name>
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        <name>Charles Schwab Corp/The</name>
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        <name>Oracle Corp</name>
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        <name>Allstate Corp/The</name>
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        <name>Roper Technologies Inc</name>
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        <title>Roper Technologies Inc</title>
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        <name>Morgan Stanley</name>
        <lei>IGJSJL3JD5P30I6NJZ34</lei>
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        <curCd>USD</curCd>
        <valUSD>95314989.03000000</valUSD>
        <pctVal>2.157065355747</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>Ameriprise Financial Inc</name>
        <lei>6ZLKQF7QB6JAEKQS5388</lei>
        <title>Ameriprise Financial Inc</title>
        <cusip>03076C106</cusip>
        <identifiers>
          <isin value="US03076C1062"/>
        </identifiers>
        <balance>95116.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>54593730.52000000</valUSD>
        <pctVal>1.235506041013</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>Northrop Grumman Corp</name>
        <lei>RIMU48P07456QXSO0R61</lei>
        <title>Northrop Grumman Corp</title>
        <cusip>666807102</cusip>
        <identifiers>
          <isin value="US6668071029"/>
        </identifiers>
        <balance>132013.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>64640165.45000000</valUSD>
        <pctVal>1.462866049725</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>Verisk Analytics Inc</name>
        <lei>549300I1YSWNIRKBWP67</lei>
        <title>Verisk Analytics Inc</title>
        <cusip>92345Y106</cusip>
        <identifiers>
          <isin value="US92345Y1064"/>
        </identifiers>
        <balance>99921.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>29397757.41000000</valUSD>
        <pctVal>0.665298130872</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>574182.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>136270614.06000000</valUSD>
        <pctVal>3.083928599128</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>Danaher Corp</name>
        <lei>S4BKK9OTCEWQ3YHPFM11</lei>
        <title>Danaher Corp</title>
        <cusip>235851102</cusip>
        <identifiers>
          <isin value="US2358511028"/>
        </identifiers>
        <balance>291568.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>69885933.92000000</valUSD>
        <pctVal>1.581582586820</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>Taiwan Semiconductor Manufacturing Co Ltd</name>
        <lei>549300KB6NK5SBD14S87</lei>
        <title>Taiwan Semiconductor Manufacturing Co Ltd</title>
        <cusip>874039100</cusip>
        <identifiers>
          <isin value="US8740391003"/>
        </identifiers>
        <balance>345822.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>63859490.52000000</valUSD>
        <pctVal>1.445198662227</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>TW</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>S&amp;P Global Inc</name>
        <lei>Y6X4K52KMJMZE7I7MY94</lei>
        <title>S&amp;P Global Inc</title>
        <cusip>78409V104</cusip>
        <identifiers>
          <isin value="US78409V1044"/>
        </identifiers>
        <balance>125944.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>65806999.44000000</valUSD>
        <pctVal>1.489272569847</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>West Pharmaceutical Services Inc</name>
        <lei>5493007NKRGM1RJQ1P16</lei>
        <title>West Pharmaceutical Services Inc</title>
        <cusip>955306105</cusip>
        <identifiers>
          <isin value="US9553061055"/>
        </identifiers>
        <balance>113054.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>36819426.72000000</valUSD>
        <pctVal>0.833257293574</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>CRH PLC</name>
        <lei>549300MIDJNNTH068E74</lei>
        <title>CRH PLC</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="IE0001827041"/>
        </identifiers>
        <balance>962302.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>98414625.54000000</valUSD>
        <pctVal>2.227212964210</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>IE</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Eli Lilly &amp; Co</name>
        <lei>FRDRIPF3EKNDJ2CQJL29</lei>
        <title>Eli Lilly &amp; Co</title>
        <cusip>532457108</cusip>
        <identifiers>
          <isin value="US5324571083"/>
        </identifiers>
        <balance>69386.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>55186155.10000000</valUSD>
        <pctVal>1.248913150959</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>Arthur J Gallagher &amp; Co</name>
        <lei>54930049QLLMPART6V29</lei>
        <title>Arthur J Gallagher &amp; Co</title>
        <cusip>363576109</cusip>
        <identifiers>
          <isin value="US3635761097"/>
        </identifiers>
        <balance>251746.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>78605171.04000000</valUSD>
        <pctVal>1.778906895531</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>JPMorgan Chase &amp; Co</name>
        <lei>8I5DZWZKVSZI1NUHU748</lei>
        <title>JPMorgan Chase &amp; Co</title>
        <cusip>46625H100</cusip>
        <identifiers>
          <isin value="US46625H1005"/>
        </identifiers>
        <balance>477663.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>119282004.36000000</valUSD>
        <pctVal>2.699460827594</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>Reliance Inc</name>
        <lei>549300E287ZOFT3C5Z56</lei>
        <title>Reliance Inc</title>
        <cusip>759509102</cusip>
        <identifiers>
          <isin value="US7595091023"/>
        </identifiers>
        <balance>120142.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>38594416.08000000</valUSD>
        <pctVal>0.873426925803</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>Eaton Corp PLC</name>
        <lei>549300VDIGTMXUNT7H71</lei>
        <title>Eaton Corp PLC</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="IE00B8KQN827"/>
        </identifiers>
        <balance>158059.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>59338509.78000000</valUSD>
        <pctVal>1.342884734192</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>IE</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <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>2024-12-22</ncom:dateSigned>
      <ncom:nameOfApplicant>LORD ABBETT RESEARCH FUND INC</ncom:nameOfApplicant>
      <ncom:signature>Michael Hebert</ncom:signature>
      <ncom:signerName>Michael Hebert</ncom:signerName>
      <ncom:title>Chief Financial Officer</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
