﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2025v4.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2026-02-21T10:47:03-05:00</ReturnTs>
    <TaxPeriodEndDt>2025-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>931601729</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>ATLANTIC BLUE ADVISORS LLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>34382 CARPENTERS WAY STE 6</AddressLine1Txt>
        <CityNm>LEWES</CityNm>
        <StateAbbreviationCd>DE</StateAbbreviationCd>
        <ZIPCd>199584919</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2025-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>810679590</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>WILLIAM E PROUDFORD SICKLE CELL</BusinessNameLine1Txt>
        <BusinessNameLine2Txt>FUND INC</BusinessNameLine2Txt>
      </BusinessName>
      <BusinessNameControlTxt>WILL</BusinessNameControlTxt>
      <PhoneNum>8888936735</PhoneNum>
      <USAddress>
        <AddressLine1Txt>445 BANK LANE UNIT 979</AddressLine1Txt>
        <CityNm>DOVER</CityNm>
        <StateAbbreviationCd>DE</StateAbbreviationCd>
        <ZIPCd>19904</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>WILLIAM E PROUDFORD II</PersonNm>
      <PersonTitleTxt>SECRETARY/TREASURER</PersonTitleTxt>
      <PhoneNum>8888936735</PhoneNum>
      <SignatureDt>2026-02-10</SignatureDt>
    </BusinessOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>SARAH E DILL</PreparerPersonNm>
      <PTIN>P01524540</PTIN>
      <PhoneNum>3026445990</PhoneNum>
      <PreparationDt>2026-02-10</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2025</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="4">
    <IRS990EZ documentId="RetDoc2" referenceDocumentId="RetDoc3">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <WebsiteAddressTxt>WWW.WEPSICKLECELL.ORG</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc4">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>191521</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>181341</ContributionsGiftsGrantsEtcAmt>
      <InvestmentIncomeAmt>548</InvestmentIncomeAmt>
      <SaleOfAssetsGrossAmt>9632</SaleOfAssetsGrossAmt>
      <CostOrOtherBasisExpenseSaleAmt>4763</CostOrOtherBasisExpenseSaleAmt>
      <GainOrLossFromSaleOfAssetsAmt>4869</GainOrLossFromSaleOfAssetsAmt>
      <TotalRevenueAmt>186758</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>67933</GrantsAndSimilarAmountsPaidAmt>
      <FeesAndOtherPymtToIndCntrctAmt>40621</FeesAndOtherPymtToIndCntrctAmt>
      <OccupancyRentUtltsAndMaintAmt>5850</OccupancyRentUtltsAndMaintAmt>
      <PrintingPublicationsPostageAmt>818</PrintingPublicationsPostageAmt>
      <OtherExpensesTotalAmt>101023</OtherExpensesTotalAmt>
      <TotalExpensesAmt>216245</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>-29487</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>109087</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>79600</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>109087</BOYAmt>
        <EOYAmt>79600</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <Form990TotalAssetsGrp>
        <BOYAmt>109087</BOYAmt>
        <EOYAmt>79600</EOYAmt>
      </Form990TotalAssetsGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>109087</BOYAmt>
        <EOYAmt>79600</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>TO OBTAIN FUNDS NECESSARY TO SUPPORT EFFORTS TO STOP THE DEBILITATING AND LIFE-THREATENING EFFECTS OF SICKLE CELL ANEMIA THROUGH EDUCATION, AWARENESS AND ESTABLISHMENT OF AN ENDOWMENT TO ENSURE THAT EFFORTS TO COMBAT THIS DISEASE WOULD BE ONGOING.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>OBTAIN FUNDS NECESSARY TO SUPPORT EFFORTS TO STOP THE DEBILITATING AND LIFE-THREATING EFFECTS OF SICKLE CELL ANEMIA THROUGH EDUCATION, AWARENESS AND ESTABLISHMENT OF AN ENDOWMENT TO ENSURE THAT EFFORTS TO COMBAT THIS DISEASE WOULD BE ONGOING</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>67933</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>200906</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>200906</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>KAREN PROUDFORD</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>WILLIAM E PROUDFORD II</PersonNm>
        <TitleTxt>SECRETARY/TR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JOHN MARK ZEBERKIEWICZ</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>GARETH WARREN</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <BooksInCareOfDetail>
        <PersonNm>WILLIAM E PROUDFORD II</PersonNm>
        <USAddress>
          <AddressLine1Txt>445 BANK LANE 979</AddressLine1Txt>
          <CityNm>DOVER</CityNm>
          <StateAbbreviationCd>DE</StateAbbreviationCd>
          <ZIPCd>19904</ZIPCd>
        </USAddress>
        <PhoneNum>8888936735</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="RetDoc4">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>174036</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>30338</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>299981</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>103348</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>181341</CurrentTaxYearAmt>
        <TotalAmt>789044</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>576</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>536</CurrentTaxYearMinus3YearsAmt>
        <TotalAmt>1112</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>174612</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>30874</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>299981</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>103348</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>181341</CurrentTaxYearAmt>
        <TotalAmt>790156</TotalAmt>
      </Total509Grp>
      <PublicSupportTotal509Amt>790156</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus2YearsAmt>3205</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>601</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>548</CurrentTaxYearAmt>
        <TotalAmt>4354</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus2YearsAmt>3205</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>601</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>548</CurrentTaxYearAmt>
        <TotalAmt>4354</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>174612</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>30874</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>303186</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>103949</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>181889</CurrentTaxYearAmt>
        <TotalAmt>794510</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.99450</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.99480</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.01000</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.01000</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1">
      <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="RetDoc3">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 10</FormAndLineReferenceDesc>
        <ExplanationTxt>NAME: CHRISTIANA CARE HEALTH SYSTEMS ADDRESS: 4000 NEXUS DRIVE WILIMINGTON, DE 19803 CASH CONTRIBUTION: 40,500 NONCASH CONTRIBUTION: 9,632 DESCRIPTION OF PROPERTY: STOCK</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16</FormAndLineReferenceDesc>
        <ExplanationTxt>EXPENSES PROMOTION 2,670 ADVERTISING 3,351 MARKETING 60,796 OFFICE 3,254 TRAVEL/CONFERENCES 10,337 INSURANCE EXPENSE 1,164 TAXES AND LICENSES 25 FEES 458 DUES AND SUBSCRIPTIONS 500 SUPPLIES 255 TEAM INCENTIVES 18,213 TOTAL 101,023</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III</FormAndLineReferenceDesc>
        <ExplanationTxt>TO OBTAIN FUNDS NECESSARY TO SUPPORT EFFORTS TO STOP THE DEBILITATING AND LIFE-THREATENING EFFECTS OF SICKLE CELL ANEMIA THROUGH EDUCATION, AWARENESS AND ESTABLISHMENT OF AN ENDOWMENT TO ENSURE THAT EFFORTS TO COMBAT THIS DISEASE WOULD BE ONGOING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III, LINE 28</FormAndLineReferenceDesc>
        <ExplanationTxt>OBTAIN FUNDS NECESSARY TO SUPPORT EFFORTS TO STOP THE DEBILITATING AND LIFE-THREATING EFFECTS OF SICKLE CELL ANEMIA THROUGH EDUCATION, AWARENESS AND ESTABLISHMENT OF AN ENDOWMENT TO ENSURE THAT EFFORTS TO COMBAT THIS DISEASE WOULD BE ONGOING</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>