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    <generalInfo reportEndingPeriod="2025-12-31" isReportPeriodLt12="N"/>
    <registrantInfo>
      <registrantFullName>ADAMS DIVERSIFIED EQUITY FUND, INC.</registrantFullName>
      <investmentCompFileNo>811-00248</investmentCompFileNo>
      <registrantCik>0000002230</registrantCik>
      <registrantLei>5493005W7G81BNPP7M23</registrantLei>
      <registrantstreet1>500 East Pratt Street</registrantstreet1>
      <registrantstreet2>Suite 1300</registrantstreet2>
      <registrantcity>Baltimore</registrantcity>
      <registrantzipCode>21202</registrantzipCode>
      <registrantstate>US-MD</registrantstate>
      <registrantcountry>US</registrantcountry>
      <registrantphoneNumber>410-752-5900</registrantphoneNumber>
      <websites>
        <website webpage="www.adamsfunds.com"/>
      </websites>
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        <locationBooksRecord>
          <officeName>Adams Diversified Equity Fund, Inc.</officeName>
          <officeAddress1>500 East Pratt Street</officeAddress1>
          <officeAddress2>Suite 1300</officeAddress2>
          <officeCity>Baltimore</officeCity>
          <officeStateCountry officeState="US-MD" officeCountry="US"/>
          <officeRecordsZipCode>21202</officeRecordsZipCode>
          <officePhone>410-752-5900</officePhone>
          <booksRecordsDesc>All accounts, books, and documents required to be maintained by the Registrant pursuant to Section 31(a) of the Investment Company Act of 1940 and Rules 31a-1 through 31a-3 thereunder are maintained at the office of the Registrant or at a nearby off-site facility, except all those relating to the activities of the Fund's Custodian and Transfer Agent.</booksRecordsDesc>
        </locationBooksRecord>
        <locationBooksRecord>
          <officeName>The Northern Trust Company</officeName>
          <officeAddress1>50 South La Salle Street</officeAddress1>
          <officeCity>Chicago</officeCity>
          <officeStateCountry officeState="US-IL" officeCountry="US"/>
          <officeRecordsZipCode>60603</officeRecordsZipCode>
          <officePhone>312-630-6000</officePhone>
          <booksRecordsDesc>All accounts, books and documents relating to the activities of the Fund's Custodian and Securities Lending Agent.</booksRecordsDesc>
        </locationBooksRecord>
        <locationBooksRecord>
          <officeName>Computershare Trust Company</officeName>
          <officeAddress1>150 Royall Street</officeAddress1>
          <officeCity>Canton</officeCity>
          <officeStateCountry officeState="US-MA" officeCountry="US"/>
          <officeRecordsZipCode>02021</officeRecordsZipCode>
          <officePhone>877-260-8188</officePhone>
          <booksRecordsDesc>All accounts, books and documents relating to the activities of the Fund's Transfer Agent.</booksRecordsDesc>
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      <isSecuritiesActRegistration>Y</isSecuritiesActRegistration>
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          <directorName>Jane Musser Nelson</directorName>
          <crdNumber>N/A</crdNumber>
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            <fileNumberInfo fileNumber="811-24062"/>
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          <directorName>Lauriann C. Kloppenburg</directorName>
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            <fileNumberInfo fileNumber="811-04556"/>
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          <directorName>Mary Chris Jammet</directorName>
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          <isDirectorInterestedPerson>N</isDirectorInterestedPerson>
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        <director>
          <directorName>James P. Haynie</directorName>
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        <director>
          <directorName>Frederic A. Escherich</directorName>
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        <director>
          <directorName>Kenneth J. Dale</directorName>
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            <fileNumberInfo fileNumber="811-02736"/>
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        <chiefComplianceOfficer>
          <ccoName>Janis F. Kerns</ccoName>
          <crdNumber>N/A</crdNumber>
          <ccoStreet1>500 East Pratt Street</ccoStreet1>
          <ccoStreet2>Suite 1300</ccoStreet2>
          <ccoCity>Baltimore</ccoCity>
          <ccoStateCountry ccoState="US-MD" ccoCountry="US"/>
          <ccoZipCode>21202</ccoZipCode>
          <ccoPhone>XXXXXX</ccoPhone>
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            <ccoEmployer ccoEmployerName="N/A" ccoEmployerId="N/A"/>
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      <isPreviousProceedingTerminated>N</isPreviousProceedingTerminated>
      <isClaimFiled>N</isClaimFiled>
      <coveredByInsurancePolicy isCoveredByInsurancePolicy="Y" isClaimFiledDuringPeriod="N"/>
      <isFinancialSupportDuringPeriod>N</isFinancialSupportDuringPeriod>
      <releaseNumbers isExemptionFromAct="Y">
        <releaseNumberInfo releaseNumber="IC-26780"/>
        <releaseNumberInfo releaseNumber="IC-30344"/>
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      <isUnderwriterHiredOrTerminated>N</isUnderwriterHiredOrTerminated>
      <publicAccountants>
        <publicAccountant>
          <publicAccountantName>PricewaterhouseCoopers LLP</publicAccountantName>
          <pcaobNumber>238</pcaobNumber>
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          <publicAccountantStateCountry publicAccountantState="US-MD" publicAccountantCountry="US"/>
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      <isPublicAccountantChanged>N</isPublicAccountantChanged>
      <isMaterialWeakness>N</isMaterialWeakness>
      <isOpinionOffered>N</isOpinionOffered>
      <isMaterialChange>N</isMaterialChange>
      <isAccountingPrincipleChange>N</isAccountingPrincipleChange>
      <paymentDividendSeries isPaymentDividend="Y">
        <seriesInfo seriesName="N/A" seriesId="N/A"/>
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        <mgmtInvLei>5493005W7G81BNPP7M23</mgmtInvLei>
        <isFirstFilingByFund>N</isFirstFilingByFund>
        <fundType>N/A</fundType>
        <isNonDiversifiedCompany>N</isNonDiversifiedCompany>
        <isForeignSubsidiary>N</isForeignSubsidiary>
        <isFundSecuritiesLending>Y</isFundSecuritiesLending>
        <fundLendSecurities didFundLendSecurities="Y">
          <isFundLiquidated>N</isFundLiquidated>
          <isFundAdverselyImpacted>N</isFundAdverselyImpacted>
        </fundLendSecurities>
        <securityLendings>
          <securityLending>
            <securitiesAgentName>The Northern Trust Company</securitiesAgentName>
            <securitiesAgentLei>6PTKHDJ8HDUF78PFWH30</securitiesAgentLei>
            <isSecuritiesAgentAffiliated>N</isSecuritiesAgentAffiliated>
            <securityAgentIdemnity isSecurityAgentIdemnity="Y">
              <idemnityProviders>
                <idemnityProvider idemnityProviderName="N/A" idemnityProviderLei="N/A"/>
              </idemnityProviders>
              <didIndemnificationRights>N</didIndemnificationRights>
            </securityAgentIdemnity>
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        </securityLendings>
        <paymentToAgentManagers>
          <paymentToAgentManagerType>Revenue sharing split</paymentToAgentManagerType>
          <paymentToAgentManagerType>Administrative fee</paymentToAgentManagerType>
          <paymentToAgentManagerType>Cash collateral reinvestment fee</paymentToAgentManagerType>
        </paymentToAgentManagers>
        <avgPortfolioSecuritiesValue>37171282.000000000000</avgPortfolioSecuritiesValue>
        <netIncomeSecuritiesLending>47121.000000000000</netIncomeSecuritiesLending>
        <relyOnRuleTypes>
          <relyOnRuleType>Rule 18f-4(c)(4) (17CFR 270.18f-4(c)(4))</relyOnRuleType>
        </relyOnRuleTypes>
        <isExpenseLimitationInPlace>N</isExpenseLimitationInPlace>
        <isExpenseReducedOrWaived>N</isExpenseReducedOrWaived>
        <isFeesWaivedRecoupable>N</isFeesWaivedRecoupable>
        <isExpenseWaivedRecoupable>N</isExpenseWaivedRecoupable>
        <transferAgents>
          <transferAgent>
            <transferAgentName>Computershare Trust Company</transferAgentName>
            <transferAgentFileNo>085-11340</transferAgentFileNo>
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            <transferAgentStateCountry transferAgentState="US-MA" transferAgentCountry="US"/>
            <isTransferAgentAffiliated>N</isTransferAgentAffiliated>
            <isTransferAgentSubAgent>N</isTransferAgentSubAgent>
          </transferAgent>
        </transferAgents>
        <isTransferAgentHiredOrTerminated>N</isTransferAgentHiredOrTerminated>
        <pricingServices>
          <pricingService>
            <pricingServiceName>ICE Data Pricing &amp; Reference Data, LLC</pricingServiceName>
            <pricingServiceLei>5493000NQ9LYLDBCTL34</pricingServiceLei>
            <pricingServiceStateCountry pricingServiceState="US-NJ" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
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          <pricingService>
            <pricingServiceName>LSEG US Fin Corp.</pricingServiceName>
            <pricingServiceLei>2138007FV67QQ13CGJ43</pricingServiceLei>
            <pricingServiceStateCountry pricingServiceState="US-TX" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
        </pricingServices>
        <isPricingServiceHiredOrTerminated>N</isPricingServiceHiredOrTerminated>
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          <custodian>
            <custodianName>The Northern Trust Company</custodianName>
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            <isSubCustodian>N</isSubCustodian>
            <custodyType>Bank - section 17(f)(1) (15 U.S.C. 80a-17(f)(1))</custodyType>
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        </custodians>
        <isCustodianHiredOrTerminated>N</isCustodianHiredOrTerminated>
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            <shareholderServiceAgentName>Computershare Trust Company</shareholderServiceAgentName>
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            <isShareholderServiceAgentAffiliated>N</isShareholderServiceAgentAffiliated>
            <isShareholderServiceAgentSubshare>N</isShareholderServiceAgentSubshare>
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        </shareholderServicingAgents>
        <isShareholderServiceHiredTerminated>N</isShareholderServiceHiredTerminated>
        <isAdminHiredOrTerminated>N</isAdminHiredOrTerminated>
        <brokers>
          <broker>
            <brokerName>Morgan Stanley &amp; Co LLC</brokerName>
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      <securityRelatedItems>
        <securityRelatedItem>
          <description>Common stock</description>
          <securityClassTitle>N/A</securityClassTitle>
          <commonStocks>
            <commonStock commonStockExchange="XNYS" commonStockTickerSymbol="ADX"/>
          </commonStocks>
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      <isInfoItem405>false</isInfoItem405>
      <isCodeOfEthics>false</isCodeOfEthics>
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    <signature registrantSignedName="Adams Diversified Equity Fund, Inc." signedDate="2026-03-11" signature="/s/ Brian S. Hook" title="Vice President and CFO"/>
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