Liabilities / Assets
18th percentile
Tied with the lowest-debt nonprofits in its peer group.
EIN 52-1194738 • 501(c)3 • Baltimore, MD
Profile
The Walters Art Museum brings art and people together for enjoyment, discovery, and learning. We strive to create a place where people of every background can be touched by art. We are committed to exhibitions and programs that will strengthen and sustain our community.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
18th percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
19th percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
3rd percentile
Higher net margin than 3% of similar nonprofits.
Top Officer Pay
Score unavailable
No filing with officer rows is available for this organization yet.
Asset Growth
44th percentile
Faster asset growth than 44% of similar nonprofits.
Revenue Growth
15th percentile
Faster revenue growth than 15% of similar nonprofits.
Assets
Down$2,430,680
Down $16,322 (-0.7%) from 2024
Liabilities
Flat$0
Flat from 2024
Net Assets
Down$2,430,680
Down $16,322 (-0.7%) from 2024
Revenue
Up$58,837
Up $20,150 (+52%) from 2024
Expenses
Down$119,136
Down $18,096 (-13%) from 2024
Net Income
Up-$60,299
Up $38,246 (+39%) from 2024
Most recent year
2025 • Form 990Detailed filing. Detailed filing data is available for this year.
The Walters Art Museum brings art and people together for enjoyment, discovery, and learning. We strive to create a place where people of every background can be touched by art. We are committed to exhibitions and programs that will strengthen and sustain our community.
To support and benefit the charitable and educational purposes of the institution known as the Trustees of the Walters Art Gallery, Inc. dba The Walters Art Museum.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments in Publicly Traded Securities | $2,046,671 | $2,117,342 | ▲ $70,671 |
| Cash and Non-Interest-Bearing Accounts | $326,854 | $313,338 | ▼ $13,516 |
| Investments Other Securities | $73,477 | $0 | ▼ $73,477 |
| Total Assets | $2,447,002 | $2,430,680 | ▼ $16,322 |
| Liabilities | |||
| Other Liabilities | $0 | $0 | → $0 |
| Total Liabilities | $0 | $0 | → $0 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $2,447,002 | $2,430,680 | ▼ $16,322 |
| Net Assets With Donor Restrictions | $0 | $0 | → $0 |
| Total Net Assets Fund Balance | $2,447,002 | $2,430,680 | ▼ $16,322 |
| Total Liabilities and Net Assets / Fund Balance | $2,447,002 | $2,430,680 | ▼ $16,322 |
| Name | Title |
|---|---|
| Peter Bain | President |
| Guy Flynn | Secretary |
| Harry Gruner | Treasurer |
| Line Item | Amount |
|---|---|
| Grants and Similar Amounts Paid | $119,136 |
| Other Expenses | $0 |
| Professional Fundraising Fees | $0 |
| Salaries, Compensation, and Employee Benefits | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Grants to Domestic Orgs | $119,136 | - | - | $119,136 |
| Total Functional Expenses | $119,136 | $0 | $0 | $119,136 |
| Recipient | Location | Category | Purpose | Amount |
|---|---|---|---|---|
| Trustees of the Walters Art Gallery | Baltimore, MD | 501c3 | General Operating Support | $119,136 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“Form 990 was prepared internally and provided to the Foundation's governing body for review prior to filing with the IRS.”
“Annual reminders of the policy are provided to the board members. Board members' signatures are required annually stating that they have received the policy.”
“Governing documents, financial statements and the Conflict of Interest policy are available to the public upon request. Form 990 is also available on www.guidestar.org”
“Federal Income Taxes”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
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| IRS990/AcctCompileOrReviewBasisGrp/ConsolidatedBasisFinclStmtInd | 0 | X |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | To support and benefit the charitable and educational purposes of the institution known as the Trustees of the Walters Art Gallery, Inc. dba The Walters Art Museum. |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
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| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | Robert Ovesen |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 4105479000 |
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| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Baltimore |
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| IRS990/CYOtherRevenueAmt | 0 | 0 |
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| IRS990/CYRevenuesLessExpensesAmt | 0 | -60299 |
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| IRS990/CYTotalExpensesAmt | 0 | 119136 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 58837 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/Desc | 0 | To support the Trustees of the Walters Art Gallery, Inc. (dba The Walters Art Museum), a related organization. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonatedServicesAndUseFcltsAmt | 0 | 0 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 0 |
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| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 119136 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
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| IRS990/ForeignActivitiesInd | 0 | 0 |
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| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 10 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 10 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 10 |
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| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 0 |
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| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | Peter Bain |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Harry Gruner |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Guy Flynn |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Secretary |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1979 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/ConsolidatedBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/OtherAmt | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 14860 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 3 |
| IRS990/GrantAmt | 0 | 119136 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 119136 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 119136 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 1 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/OtherAmt | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 58837 |
| IRS990/GrossReceiptsAmt | 0 | 102814 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IncmFromInvestBondProceedsGrp/ExclusionAmt | 0 | 0 |
| IRS990/IncmFromInvestBondProceedsGrp/RelatedOrExemptFuncIncomeAmt | 0 | 0 |
| IRS990/IncmFromInvestBondProceedsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/IncmFromInvestBondProceedsGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
| IRS990/IndependentVotingMemberCnt | 0 | 3 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
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| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 43977 |
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| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 43977 |
| IRS990/InvestmentIncomeGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 73477 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 2046671 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 2117342 |
| IRS990/IRPDocumentCnt | 0 | 0 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | MD |
| IRS990/LessCostOthBasisSalesExpnssGrp/OtherAmt | 0 | 0 |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 43977 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | The Walters Art Museum brings art and people together for enjoyment, discovery, and learning. We strive to create a place where people of every background can be touched by art. We are committed to exhibitions and programs that will strengthen and sustain our community. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 2447002 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 2430680 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 14860 |
| IRS990/NetGainOrLossInvestmentsGrp/RelatedOrExemptFuncIncomeAmt | 0 | 0 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 14860 |
| IRS990/NetGainOrLossInvestmentsGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 43977 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 2447002 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 2430680 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
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| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
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| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990/OtherRevenueTotalAmt | 0 | 0 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrincipalOfficerNm | 0 | Kate Burgin |
| IRS990/PriorPeriodAdjustmentsAmt | 0 | 0 |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 0 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 137232 |
| IRS990/PYInvestmentIncomeAmt | 0 | 38687 |
| IRS990/PYOtherExpensesAmt | 0 | 0 |
| IRS990/PYOtherRevenueAmt | 0 | 0 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -98545 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/PYTotalExpensesAmt | 0 | 137232 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 38687 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -60299 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 1 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/RentalIncomeOrLossGrp/PersonalAmt | 0 | 0 |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 0 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 0 |
| IRS990/RoyaltiesRevenueGrp/ExclusionAmt | 0 | 0 |
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| IRS990/RoyaltiesRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
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| IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionControllerInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionFamilyInd | 0 | 0 |
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| IRS990ScheduleA/OtherSupportSumAmt | 0 | 0 |
| IRS990ScheduleA/SupportedOrganizationsCnt | 0 | 1 |
| IRS990ScheduleA/SupportedOrganizationsTotalCnt | 0 | 1 |
| IRS990ScheduleA/SupportedOrgInformationGrp/EIN | 0 | 526002611 |
| IRS990ScheduleA/SupportedOrgInformationGrp/GoverningDocumentListedInd | 0 | 1 |
| IRS990ScheduleA/SupportedOrgInformationGrp/OrganizationTypeCd | 0 | 6 |
| IRS990ScheduleA/SupportedOrgInformationGrp/OtherSupportAmt | 0 | 0 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportAmt | 0 | 137232 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportedOrganizationName/BusinessNameLine1Txt | 0 | Trustees of the Walters Art Gallery Inc |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportedOrganizationName/BusinessNameLine2Txt | 0 | dba The Walters Art Museum |
| IRS990ScheduleA/SupportingOrganization509a3Ind | 0 | X |
| IRS990ScheduleA/SupportingOrgType1Ind | 0 | X |
| IRS990ScheduleA/SupportSumAmt | 0 | 137232 |
| IRS990/ScheduleBRequiredInd | 0 | 0 |
| IRS990ScheduleD/FederalIncomeTaxLiabilityAmt | 0 | 0 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | Federal Income Taxes |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Schedule D, Part X, Line 2 |
| IRS990ScheduleD/TotalLiabilityAmt | 0 | 0 |
| IRS990ScheduleI/GrantRecordsMaintainedInd | 0 | 1 |
| IRS990ScheduleI/RecipientTable/CashGrantAmt | 0 | 119136 |
| IRS990ScheduleI/RecipientTable/IRCSectionDesc | 0 | 501c3 |
| IRS990ScheduleI/RecipientTable/PurposeOfGrantTxt | 0 | General Operating Support |
| IRS990ScheduleI/RecipientTable/RecipientBusinessName/BusinessNameLine1Txt | 0 | Trustees of the Walters Art Gallery |
| IRS990ScheduleI/RecipientTable/RecipientBusinessName/BusinessNameLine2Txt | 0 | dba The Walters Art Museum |
| IRS990ScheduleI/RecipientTable/RecipientEIN | 0 | 526002611 |
| IRS990ScheduleI/RecipientTable/USAddress/AddressLine1Txt | 0 | 600 North Charles Street |
| IRS990ScheduleI/RecipientTable/USAddress/CityNm | 0 | Baltimore |
| IRS990ScheduleI/RecipientTable/USAddress/StateAbbreviationCd | 0 | MD |
| IRS990ScheduleI/RecipientTable/USAddress/ZIPCd | 0 | 21201 |
| IRS990ScheduleI/SupplementalInformationDetail/ExplanationTxt | 0 | Funds are used for operating expenses for the Walters Art Museum. |
| IRS990ScheduleI/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Schedule I, Part I, Line 2 |
| IRS990ScheduleI/Total501c3OrgCnt | 0 | 1 |
| IRS990ScheduleI/TotalOtherOrgCnt | 0 | 0 |
| IRS990/ScheduleJRequiredInd | 0 | 0 |
| IRS990/ScheduleORequiredInd | 0 | 1 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | Form 990 was prepared internally and provided to the Foundation's governing body for review prior to filing with the IRS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | Annual reminders of the policy are provided to the board members. Board members' signatures are required annually stating that they have received the policy. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | Governing documents, financial statements and the Conflict of Interest policy are available to the public upon request. Form 990 is also available on www.guidestar.org |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Form 990, Part VI, Section B, Line 11b |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Form 990, Part VI, Section B, Line 12c |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | Form 990, Part VI, Section C, Line 19 |
| IRS990ScheduleR/AssetExchangeInd | 0 | 0 |
| IRS990ScheduleR/AssetPurchaseFromOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/AssetSaleToOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/DivRelatedOrganizationInd | 0 | 0 |
| IRS990ScheduleR/GiftGrntCapContriFromOthOrgInd | 0 | 0 |
| IRS990ScheduleR/GiftGrntOrCapContriToOthOrgInd | 0 | 1 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ControlledOrganizationInd | 0 | 0 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DirectControllingEntityName/BusinessNameLine1Txt | 0 | Trustees of the Walters Art Gallery Inc |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DisregardedEntityName/BusinessNameLine1Txt | 0 | Trustees of the Walters Art Gallery Inc |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DisregardedEntityName/BusinessNameLine2Txt | 0 | dba The Walters Art Museum |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/EIN | 0 | 526002611 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/LegalDomicileStateCd | 0 | MD |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/PrimaryActivitiesTxt | 0 | Art Museum |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/AddressLine1Txt | 0 | 600 North Charles Street |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/CityNm | 0 | Baltimore |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/StateAbbreviationCd | 0 | MD |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/ZIPCd | 0 | 212015185 |
| IRS990ScheduleR/LoansOrGuaranteesFromOthOrgInd | 0 | 0 |
| IRS990ScheduleR/LoansOrGuaranteesToOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/PaidEmployeesSharingInd | 0 | 0 |
| IRS990ScheduleR/PerformOfServicesByOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/PerformOfServicesForOthOrgInd | 0 | 0 |
| IRS990ScheduleR/ReceiptOfIntAnntsRntsRyltsInd | 0 | 0 |
| IRS990ScheduleR/ReimbursementPaidByOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/ReimbursementPaidToOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/RentalOfFacilitiesToOthOrgInd | 0 | 0 |
| IRS990ScheduleR/RentalOfFcltsFromOthOrgInd | 0 | 0 |
| IRS990ScheduleR/SharingOfFacilitiesInd | 0 | 0 |
| IRS990ScheduleR/TransferFromOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/TransferToOtherOrgInd | 0 | 0 |
| IRS990/SchoolOperatingInd | 0 | 0 |
| IRS990/SignificantChangeInd | 0 | 0 |
| IRS990/SignificantNewProgramSrvcInd | 0 | 0 |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 0 | MD |
| IRS990/SubjectToExcsTaxNetInvstIncInd | 0 | 0 |
| IRS990/SubjectToProxyTaxInd | 0 | 0 |
| IRS990/SubjToTaxRmnrtnExPrchtPymtInd | 0 | 0 |
| IRS990/TaxablePartyNotificationInd | 0 | 0 |
| IRS990/TaxExemptBondsInd | 0 | 0 |
| IRS990/TerminateOperationsInd | 0 | 0 |
| IRS990/TotalAssetsBOYAmt | 0 | 2447002 |
| IRS990/TotalAssetsEOYAmt | 0 | 2430680 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 2447002 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 2430680 |
| IRS990/TotalCompGreaterThan150KInd | 0 | 0 |
| IRS990/TotalContributionsAmt | 0 | 0 |
| IRS990/TotalEmployeeCnt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 119136 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 119136 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 2447002 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 2430680 |
| IRS990/TotalOtherCompensationAmt | 0 | 0 |
| IRS990/TotalOtherProgSrvcExpenseAmt | 0 | 0 |
| IRS990/TotalOtherProgSrvcGrantAmt | 0 | 0 |
| IRS990/TotalOtherProgSrvcRevenueAmt | 0 | 0 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 119136 |
| IRS990/TotalProgramServiceRevenueAmt | 0 | 0 |
| IRS990/TotalReportableCompFromOrgAmt | 0 | 0 |
| IRS990/TotalRevenueGrp/ExclusionAmt | 0 | 58837 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 0 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 58837 |
| IRS990/TotalRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/TotalVolunteersCnt | 0 | 3 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 2447002 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 2430680 |
| IRS990/TotReportableCompRltdOrgAmt | 0 | 0 |
| IRS990/TrnsfrExmptNonChrtblRltdOrgInd | 0 | 0 |
| IRS990/TypeOfOrganizationCorpInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | 0 |
| IRS990/UponRequestInd | 0 | X |
| IRS990/USAddress/AddressLine1Txt | 0 | 600 N Charles St |
| IRS990/USAddress/CityNm | 0 | Baltimore |
| IRS990/USAddress/StateAbbreviationCd | 0 | MD |
| IRS990/USAddress/ZIPCd | 0 | 21201 |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 3 |
| IRS990/VotingMembersIndependentCnt | 0 | 3 |
| IRS990/WebsiteAddressTxt | 0 | www.thewalters.org |
| IRS990/WhistleblowerPolicyInd | 0 | 1 |
| ReasonableCauseExplanation/ExplanationTxt | 0 | During 2025, we experienced a high level of turnover in our administration and the filing deadline for the extension was missed. We are filing as soon as we could once our audited financial statements were provided. Thank you for your consideration. |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | Robert Ovesen |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | Comptroller |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 4105479000 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2026-01-05 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | WALTERS ART MUSEUM FOUNDATION INC |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | WALT |
| ReturnHeader/Filer/EIN | 0 | 521194738 |
| ReturnHeader/Filer/PhoneNum | 0 | 4105479000 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 600 North Charles Street |
| ReturnHeader/Filer/USAddress/CityNm | 0 | Baltimore |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | MD |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 212015185 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | 1 |
| ReturnHeader/ReturnTs | 0 | 2026-01-14T16:00:32-07:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-07-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-06-30 |
| ReturnHeader/TaxYr | 0 | 2024 |
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