<?xml version="1.0" encoding="UTF-8"?>
<edgarSubmission xmlns="http://www.sec.gov/edgar/ta/tatwofiler">
  <schemaVersion>X0606</schemaVersion>
  <headerData>
    <submissionType>TA-2</submissionType>
    <filerInfo>
      <periodOfReport>2025-12-31</periodOfReport>
      <filer>
        <fileNumber>085-05127</fileNumber>
        <filerCredentials>
          <cik>0000838981</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <testOrLive>LIVE</testOrLive>
      <flags>
        <returnCopy>true</returnCopy>
        <isFilingAmendment>false</isFilingAmendment>
      </flags>
      <entityName>Northern Trust Co</entityName>
    </filerInfo>
  </headerData>
  <formData>
    <engagedServiceCompany>
      <serviceCompany>Some</serviceCompany>
      <serviceCompanyTransferAgent>
        <entityName>FIS Investor Services LLC/TA</entityName>
        <fileNumber>084-06522</fileNumber>
      </serviceCompanyTransferAgent>
      <registrantEngagedService>N</registrantEngagedService>
    </engagedServiceCompany>
    <registrantRegulatoryAgency>
      <regulatoryAgency>Board of Governors of the Federal Reserve System</regulatoryAgency>
      <amendmentFiled>Not applicable</amendmentFiled>
    </registrantRegulatoryAgency>
    <serviceCompanyData>
      <numberItemsReceivedForTransfer>71169</numberItemsReceivedForTransfer>
      <numberMasterSecurityHolderFilings>430223</numberMasterSecurityHolderFilings>
      <numberIndividualAccounts>430223</numberIndividualAccounts>
      <numberDivReinvDirPurPlanAccounts>360074</numberDivReinvDirPurPlanAccounts>
      <numberDirectRegistSystemAccounts>0</numberDirectRegistSystemAccounts>
      <securityHolderAccounts>
        <equitySecurity>0.00</equitySecurity>
        <debtSecurity>0.00</debtSecurity>
        <openEndInvestmentCompany>100.00</openEndInvestmentCompany>
        <limitedPartnership>0.00</limitedPartnership>
        <municipalDebt>0.00</municipalDebt>
        <other>0.00</other>
      </securityHolderAccounts>
      <securityHolderData>
        <transMaintainMasterSecHolder>
          <equitySecurity>0</equitySecurity>
          <debtSecurity>0</debtSecurity>
          <openEndInvestmentCompany>215</openEndInvestmentCompany>
          <limitedPartnership>0</limitedPartnership>
          <municipalDebt>0</municipalDebt>
          <other>0</other>
        </transMaintainMasterSecHolder>
        <transNotMaintMasterSecHolder>
          <equitySecurity>0</equitySecurity>
          <debtSecurity>0</debtSecurity>
          <openEndInvestmentCompany>0</openEndInvestmentCompany>
          <limitedPartnership>0</limitedPartnership>
          <municipalDebt>0</municipalDebt>
          <other>0</other>
        </transNotMaintMasterSecHolder>
        <notTransMaintMasterSecHolder>
          <equitySecurity>0</equitySecurity>
          <debtSecurity>0</debtSecurity>
          <openEndInvestmentCompany>0</openEndInvestmentCompany>
          <limitedPartnership>0</limitedPartnership>
          <municipalDebt>0</municipalDebt>
          <other>0</other>
        </notTransMaintMasterSecHolder>
        <dividendReinvDirectPurchasePlan>215</dividendReinvDirectPurchasePlan>
        <directRegistrationSystem>0</directRegistrationSystem>
        <dividendAndInterest>
          <numberIssues>215</numberIssues>
          <amountIssues>9419839874.93</amountIssues>
        </dividendAndInterest>
        <priorAgent>
          <numberIssues>0</numberIssues>
          <amountIssues>0.00</amountIssues>
        </priorAgent>
        <currentAgent>
          <numberIssues>0</numberIssues>
          <amountIssues>0.00</amountIssues>
        </currentAgent>
        <numberFiled>0</numberFiled>
        <alwaysCompliant>Not Applicable</alwaysCompliant>
        <total>2354520</total>
        <totalOtherThanReceiptOrderDate>570</totalOtherThanReceiptOrderDate>
      </securityHolderData>
      <databaseSearches>
        <databaseSearchDate>04/04/2025</databaseSearchDate>
        <numberLostAccountsSearched>217</numberLostAccountsSearched>
        <numberAddressesFromSearch>58</numberAddressesFromSearch>
      </databaseSearches>
      <databaseSearches>
        <databaseSearchDate>11/25/2025</databaseSearchDate>
        <numberLostAccountsSearched>220</numberLostAccountsSearched>
        <numberAddressesFromSearch>65</numberAddressesFromSearch>
      </databaseSearches>
      <numberLostAccountsRemittedToStates>174</numberLostAccountsRemittedToStates>
    </serviceCompanyData>
    <signatureData>
      <signatureName>Kim O'Connor</signatureName>
      <signaturePhoneNumber>3124445103</signaturePhoneNumber>
      <signatureTitle>SVP, Division Manager Transfer Agency</signatureTitle>
      <signatureDate>04/07/2026</signatureDate>
    </signatureData>
  </formData>
</edgarSubmission>
