﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2024v5.2">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-10-29T15:01:06-05:00</ReturnTs>
    <TaxPeriodEndDt>2024-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>472517893</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>BEERS HAMERMAN COHEN &amp; BURGER PC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>234 CHURCH STREET</AddressLine1Txt>
        <CityNm>NEW HAVEN</CityNm>
        <StateAbbreviationCd>CT</StateAbbreviationCd>
        <ZIPCd>06510</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-07-22</TaxPeriodBeginDt>
    <Filer>
      <EIN>994252659</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>TANDEM FUND INC</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>HANP</BusinessNameControlTxt>
      <PhoneNum>2013835499</PhoneNum>
      <USAddress>
        <AddressLine1Txt>PO BOX 272</AddressLine1Txt>
        <CityNm>OLD GREENWICH</CityNm>
        <StateAbbreviationCd>CT</StateAbbreviationCd>
        <ZIPCd>06870</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>CHARLIE PURSALL BERGER</PersonNm>
      <PersonTitleTxt>PRESIDENT</PersonTitleTxt>
      <PhoneNum>2013835499</PhoneNum>
      <SignatureDt>2025-10-23</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>0</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>JOHN ERMER</PreparerPersonNm>
      <PTIN>P00815875</PTIN>
      <PhoneNum>2037876527</PhoneNum>
      <PreparationDt>2025-10-21</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="5">
    <IRS990EZ documentId="RetDoc1234200001" referenceDocumentId="RetDoc1051800001 RetDoc2278000001">
      <AddressChangeInd>X</AddressChangeInd>
      <NameChangeInd>X</NameChangeInd>
      <InitialReturnInd>X</InitialReturnInd>
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <WebsiteAddressTxt>WWW.TNDM.ORG</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc1039100001">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>105196</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>105196</ContributionsGiftsGrantsEtcAmt>
      <TotalRevenueAmt>105196</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>45000</GrantsAndSimilarAmountsPaidAmt>
      <FeesAndOtherPymtToIndCntrctAmt>5696</FeesAndOtherPymtToIndCntrctAmt>
      <OtherExpensesTotalAmt>86</OtherExpensesTotalAmt>
      <TotalExpensesAmt>50782</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>54414</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>0</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>54414</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>54414</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <Form990TotalAssetsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>54414</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>54414</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>TANDEM FUND IS A NONPROFIT ORGANIZATION DEDICATED TO WORKING WITH LOCAL PARTNERS IN DEVELOPING COUNTRIES TO IDENTIFY GAPS IN CRITICAL INFRASTRUCTURE; PRIMARILY, ACCESS TO WATER AND WASH, EDUCATION, HEALTH AND FOOD INFRASTRUCTURE. THE ORGANIZATION WORKS WITH RURAL COMMUNITIES AND PARTNERS TO DESIGN, REVIEW AND FUND THE HIGHEST NEED PROJECTS.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>IN 2024, THE ORGANIZATION ISSUED A $45,000 GRANT TO DIRECTLY FUND ONE HANDWASHING FACILITY AND INFRASTRUCTURE UPGRADES TO ONE PRIMARY AND NURSERY SCHOOL THROUGH PLANTING FOR HOPE UGANDA. PLANTING FOR HOPE UGANDA'S MISSION IS TO ENGAGE THE COMMUNITY OF KITITI TO DEVELOP A SELF-SUPPORTING AND SUSTAINABLE FUTURE. THE GRANT DIRECTLY FURTHERS THE ORGANIZATION'S PURPOSE OF WORKING WITH AREA PARTNERS TO ENSURE ADEQUATE ACCESS TO CRITICAL INFRASTRUCTURE.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>45000</GrantsAndAllocationsAmt>
        <ForeignGrantsInd>X</ForeignGrantsInd>
        <ProgramServiceExpensesAmt>0</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>0</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>CHARLIE PURSALL BERGER</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>60.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JANICE HARMEIER</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JEFF DRISKELL</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <InfoInScheduleOPartVInd>X</InfoInScheduleOPartVInd>
      <ActivitiesNotPreviouslyRptInd>0</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>0</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>0</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>0</OrganizationDissolvedEtcInd>
      <DirectIndirectPltclExpendAmt>0</DirectIndirectPltclExpendAmt>
      <MadeLoansToFromOfficersInd>0</MadeLoansToFromOfficersInd>
      <TaxImposedUnderIRC4911Amt>0</TaxImposedUnderIRC4911Amt>
      <TaxImposedUnderIRC4912Amt>0</TaxImposedUnderIRC4912Amt>
      <TaxImposedUnderIRC4955Amt>0</TaxImposedUnderIRC4955Amt>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <TaxImposedOnOrganizationMgrAmt>0</TaxImposedOnOrganizationMgrAmt>
      <TaxReimbursedByOrganizationAmt>0</TaxReimbursedByOrganizationAmt>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>CT</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>TANDEM FUND INC</BusinessNameLine1Txt>
        </BusinessName>
        <ForeignAddress>
          <AddressLine1Txt>125 KINGSWAY LONDON</AddressLine1Txt>
          <CityNm>LONDON</CityNm>
          <ProvinceOrStateNm>GREATER LONDON</ProvinceOrStateNm>
          <CountryCd>UK</CountryCd>
          <ForeignPostalCd>WC2B 6NH</ForeignPostalCd>
        </ForeignAddress>
        <PhoneNum>2013835499</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <DonorAdvisedFndsInd>0</DonorAdvisedFndsInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <TanningServicesProvidedInd>0</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>0</LobbyingActivitiesInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>0</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>1</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearAmt>105196</CurrentTaxYearAmt>
        <TotalAmt>105196</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearAmt>105196</CurrentTaxYearAmt>
        <TotalAmt>105196</TotalAmt>
      </TotalCalendarYear170Grp>
      <PublicSupportTotal170Amt>105196</PublicSupportTotal170Amt>
      <TotalSupportAmt>105196</TotalSupportAmt>
      <First5Years170Ind>X</First5Years170Ind>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>SCHEDULE A, PART II, SECTION A &amp; SECTION B PUBLIC SUPPORT- 2024 SHORT YEAR</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION WAS FORMED ON 7/22/2024. THEREFORE, ITS FILING FOR CALENDAR YEAR 2024 IS A SHORT YEAR FROM 7/22/24 T0 12/31/24. SINCE THE ORGANIZATION DID NOT EXIST BEFORE 2024, THERE IS NO INFORMATION REPORTED FOR PRIOR YEARS IN SECTION A OR SECTION B.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleO documentId="RetDoc1051800001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 10 - GRANTS AND SIMILAR AMOUNTS PAID</FormAndLineReferenceDesc>
        <ExplanationTxt>ACTIVITY CLASSIFICATION: GRANT. GRANTEE NAME: PLANTING FOR HOPE UGANDA. GRANTEE ADDRESS: CLENT HOUSE NEW ROAD KIDDERMINSTER, UNITED KINGDOM DY115YN. DATE OF GIFT: 07/22/24. AMOUNT GIVEN: 45,000.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16 - OTHER EXPENSES</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: BANK CHARGES. AMOUNT: 86.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <TransferPrsnlBnftContractsDecl documentId="RetDoc2278000001">
      <DeclarationDesc>THE ORGANIZATION DID NOT, DURING THE YEAR, RECEIVE ANY FUNDS, DIRECTLY,OR INDIRECTLY, TO PAY PREMIUMS ON A PERSONAL BENEFIT CONTRACT.THE ORGANIZATION, DID NOT, DURING THE YEAR, PAY ANY PREMIUMS, DIRECTLY,OR INDIRECTLY, ON A PERSONAL BENEFIT CONTRACT.</DeclarationDesc>
    </TransferPrsnlBnftContractsDecl>
  </ReturnData>
</Return>