Liabilities / Assets
19th percentile
Higher debt load relative to assets than 19% of similar nonprofits.
EIN 20-4744523 • 501(c)7 • Cambridge, MA
Profile
To provide support activities for the owl club, a social club.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
19th percentile
Higher debt load relative to assets than 19% of similar nonprofits.
Liabilities / Revenue
29th percentile
Higher debt load relative to revenue than 29% of similar nonprofits.
Net Margin
98th percentile
Higher net margin than 98% of similar nonprofits.
Top Officer Pay
80th percentile
Higher top officer pay than 80% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
87th percentile
Faster asset growth than 87% of similar nonprofits.
Revenue Growth
93rd percentile
Faster revenue growth than 93% of similar nonprofits.
Assets
Up$2,282,177
Up $611,783 (+37%) from 2022
Liabilities
Up$4,500
Up $1,086 (+32%) from 2022
Net Assets
Up$2,277,677
Up $610,697 (+37%) from 2022
Revenue
Up$154,730
Up $86,163 (+126%) from 2022
Expenses
Up$16,591
Up $7,196 (+77%) from 2022
Net Income
Up$138,139
Up $78,967 (+133%) from 2022
Most recent year
2024 • Form 990Detailed filing. Detailed filing data is available for this year.
To provide support activities for the owl club, a social club.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Rtn Earn Endowment Incm Other Fnds | $1,946,050 | $2,277,677 | ▲ $331,627 |
| Investments in Publicly Traded Securities | $1,558,791 | $1,795,863 | ▲ $237,072 |
| Savings and Temporary Cash Investments | $393,359 | $486,014 | ▲ $92,655 |
| Prepaid Expenses and Deferred Charges | $0 | $300 | ▲ $300 |
| Total Assets | $1,952,150 | $2,282,177 | ▲ $330,027 |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | $6,100 | $4,500 | ▼ $1,600 |
| Total Liabilities | $6,100 | $4,500 | ▼ $1,600 |
| Net Assets / Fund Balance | |||
| Total Net Assets Fund Balance | $1,946,050 | $2,277,677 | ▲ $331,627 |
| Total Liabilities and Net Assets / Fund Balance | $1,952,150 | $2,282,177 | ▲ $330,027 |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2024 | $1,952,150 | $60,000 | ▲ $288,218 | - | $2,282,177 |
| 2023 | $1,670,394 | - | ▲ $291,994 | - | $1,952,150 |
| 2022 | $1,891,794 | $90,000 | ▼ $301,444 | - | $1,670,394 |
| 2021 | $1,665,928 | - | ▲ $232,274 | - | $1,891,794 |
| 2020 | $1,534,353 | - | ▲ $169,972 | - | $1,665,928 |
| Name | Title |
|---|---|
| Michael C Kempner | President & Director |
| John Crocker | Director & Vice President |
| Daniel Stern | Director |
| David Mccreery | Director |
| David Snoddy | Director |
| John Cullinane | Director |
| Richard Conway | Director |
| William Yun | Director |
| Wright Hunter Mcdonald | Director |
| Anthony Bienstock | Treasurer & Clerk & Director |
| Line Item | Amount |
|---|---|
| Other Expenses | $16,591 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Salaries, Compensation, and Employee Benefits | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Fees for Services Accounting | $0 | $2,285 | $0 | $2,285 |
| Other Expenses | $0 | $344 | $0 | $344 |
| Total Functional Expenses | $0 | $16,591 | $0 | $16,591 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“The organization is a social club comprised solely of its members.”
“The members of the social club elect the members of the governing body.”
“The decisions of the governing body are approved by the members as required.”
“The treasurer reviews the form 990.”
“The governing body routinely addresses the conflict of interest policy.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 6100 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 4500 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | TO PROVIDE SUPPORT ACTIVITIES FOR THE OWL CLUB, A SOCIAL CLUB. |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | ANTHONY BIENSTOCK |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 6176612697 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 30 HOLYOKE STREET |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | CAMBRIDGE |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 02138 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 60000 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 94730 |
| IRS990/CYOtherExpensesAmt | 0 | 16591 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 138139 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 16591 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 154730 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | true |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/Desc | 0 | TO PROVIDE ONGOING SUPPORT FOR THE OWL CLUBS OPERATIONS AND TO PROVIDE RESERVES FOR MAINTENANCE AND IMPROVEMENTS FOR THE HOUSE AND GROUNDS MAINTAINED BY THE OWL CLUB. |
| IRS990/DescribedInSection501c3Ind | 0 | false |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | false |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | true |
| IRS990/ElectionOfBoardMembersInd | 0 | true |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/FundraisingAmt | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 2285 |
| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 2285 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | MICHAEL C KEMPNER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | ANTHONY BIENSTOCK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | DANIEL STERN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | JOHN CULLINANE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | DAVID MCCREERY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | RICHARD CONWAY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | DAVID SNODDY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | WILLIAM YUN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | JOHN CROCKER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | WRIGHT HUNTER MCDONALD |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | PRESIDENT & DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TREASURER & CLERK & DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | DIRECTOR & VICE PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | DIRECTOR |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/Form990TFiledInd | 0 | true |
| IRS990/FormationYr | 0 | 2005 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 43584 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 10 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 102500 |
| IRS990/GrossReceiptsAmt | 0 | 213646 |
| IRS990/GrossReceiptsForPublicUseAmt | 0 | 0 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InitiationFeesAndCapContriAmt | 0 | 0 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 0 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 51146 |
| IRS990/InvestmentIncomeGrp/UnrelatedBusinessRevenueAmt | 0 | 51146 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 1558791 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 1795863 |
| IRS990/IRPDocumentCnt | 0 | 0 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | MA |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 58916 |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | true |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | TO PROVIDE SUPPORT ACTIVITIES FOR THE OWL CLUB, A SOCIAL CLUB. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 1946050 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 2277677 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 0 |
| IRS990/NetGainOrLossInvestmentsGrp/RelatedOrExemptFuncIncomeAmt | 0 | 0 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 43584 |
| IRS990/NetGainOrLossInvestmentsGrp/UnrelatedBusinessRevenueAmt | 0 | 43584 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 42155 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 193488 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | true |
| IRS990/NondeductibleContriDisclInd | 0 | true |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501cInd | 0 | X |
| IRS990/OrgDoesNotFollowFASB117Ind | 0 | X |
| IRS990/OtherExpensesGrp/Desc | 0 | TAXES - FEDERAL |
| IRS990/OtherExpensesGrp/Desc | 1 | TAXES - STATE |
| IRS990/OtherExpensesGrp/Desc | 2 | TAXES - FOREIGN |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 0 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 2 | 0 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 8600 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 5362 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 344 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 0 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 0 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 8600 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 5362 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 344 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 300 |
| IRS990/PrincipalOfficerNm | 0 | ANTHONY BIENSTOCK |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYInvestmentIncomeAmt | 0 | 46680 |
| IRS990/PYOtherExpensesAmt | 0 | 12924 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 33756 |
| IRS990/PYTotalExpensesAmt | 0 | 12924 |
| IRS990/PYTotalRevenueAmt | 0 | 46680 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 138139 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | true |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/RelatedOrganizationsAmt | 0 | 60000 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | false |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/BOYAmt | 0 | 1946050 |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/EOYAmt | 0 | 2277677 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 393359 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 486014 |
| IRS990/ScheduleBRequiredInd | 0 | false |
| IRS990ScheduleD/CYEndwmtFundGrp/AdministrativeExpensesAmt | 0 | 18191 |
| IRS990ScheduleD/CYEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 1952150 |
| IRS990ScheduleD/CYEndwmtFundGrp/ContributionsAmt | 0 | 60000 |
| IRS990ScheduleD/CYEndwmtFundGrp/EndYearBalanceAmt | 0 | 2282177 |
| IRS990ScheduleD/CYEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 288218 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/AdministrativeExpensesAmt | 0 | 10238 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 1670394 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 1952150 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 291994 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/AdministrativeExpensesAmt | 0 | 9956 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 1891794 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/ContributionsAmt | 0 | 90000 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 1670394 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | -301444 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/AdministrativeExpensesAmt | 0 | 6408 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 1665928 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 1891794 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 232274 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/AdministrativeExpensesAmt | 0 | 38397 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 1534353 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 1665928 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 169972 |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | THE ORGANIZATION IS A SOCIAL CLUB COMPRISED SOLELY OF ITS MEMBERS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | THE MEMBERS OF THE SOCIAL CLUB ELECT THE MEMBERS OF THE GOVERNING BODY. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | THE DECISIONS OF THE GOVERNING BODY ARE APPROVED BY THE MEMBERS AS REQUIRED. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | THE TREASURER REVIEWS THE FORM 990. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | THE GOVERNING BODY ROUTINELY ADDRESSES THE CONFLICT OF INTEREST POLICY. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Pt VI, Line 6 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Pt VI, Line 7a |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | Pt VI, Line 7b |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | Pt VI, Line 11b |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | Pt VI, Line 12c |
| IRS990ScheduleR/AssetExchangeInd | 0 | false |
| IRS990ScheduleR/AssetPurchaseFromOtherOrgInd | 0 | false |
| IRS990ScheduleR/AssetSaleToOtherOrgInd | 0 | false |
| IRS990ScheduleR/DivRelatedOrganizationInd | 0 | false |
| IRS990ScheduleR/GiftGrntCapContriFromOthOrgInd | 0 | true |
| IRS990ScheduleR/GiftGrntOrCapContriToOthOrgInd | 0 | false |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DirectControllingEntityName/BusinessNameLine1Txt | 0 | NA |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DisregardedEntityName/BusinessNameLine1Txt | 0 | OWL CLUB |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/EIN | 0 | 041696700 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ExemptCodeSectionTxt | 0 | 501(C)(7) |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/LegalDomicileStateCd | 0 | MA |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/PrimaryActivitiesTxt | 0 | SOCIAL CLUB |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/PublicCharityStatusTxt | 0 | N/A |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/AddressLine1Txt | 0 | 30 HOLYOKE STREET |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/CityNm | 0 | CAMBRIDGE |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/StateAbbreviationCd | 0 | MA |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/ZIPCd | 0 | 02138 |
| IRS990ScheduleR/LoansOrGuaranteesFromOthOrgInd | 0 | false |
| IRS990ScheduleR/LoansOrGuaranteesToOtherOrgInd | 0 | false |
| IRS990ScheduleR/PaidEmployeesSharingInd | 0 | true |
| IRS990ScheduleR/PerformOfServicesByOtherOrgInd | 0 | false |
| IRS990ScheduleR/PerformOfServicesForOthOrgInd | 0 | false |
| IRS990ScheduleR/ReceiptOfIntAnntsRntsRyltsInd | 0 | false |
| IRS990ScheduleR/ReimbursementPaidByOtherOrgInd | 0 | false |
| IRS990ScheduleR/ReimbursementPaidToOtherOrgInd | 0 | false |
| IRS990ScheduleR/RentalOfFacilitiesToOthOrgInd | 0 | false |
| IRS990ScheduleR/RentalOfFcltsFromOthOrgInd | 0 | false |
| IRS990ScheduleR/SharingOfFacilitiesInd | 0 | true |
| IRS990ScheduleR/TransactionsRelatedOrgGrp/MethodOfAmountDeterminationTxt | 0 | BOARD DISCRETION |
| IRS990ScheduleR/TransactionsRelatedOrgGrp/OtherOrganizationName/BusinessNameLine1Txt | 0 | OWL CLUB |
| IRS990ScheduleR/TransactionsRelatedOrgGrp/TransactionTypeTxt | 0 | C, N |
| IRS990ScheduleR/TransferFromOtherOrgInd | 0 | false |
| IRS990ScheduleR/TransferToOtherOrgInd | 0 | false |
| IRS990/SchoolOperatingInd | 0 | false |
| IRS990/SignificantChangeInd | 0 | false |
| IRS990/SignificantNewProgramSrvcInd | 0 | false |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 0 | MA |
| IRS990/SubjectToProxyTaxInd | 0 | false |
| IRS990/TaxablePartyNotificationInd | 0 | false |
| IRS990/TaxExemptBondsInd | 0 | false |
| IRS990/TerminateOperationsInd | 0 | false |
| IRS990/TotalAssetsBOYAmt | 0 | 1952150 |
| IRS990/TotalAssetsEOYAmt | 0 | 2282177 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 1952150 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 2282177 |
| IRS990/TotalCompGreaterThan150KInd | 0 | false |
| IRS990/TotalContributionsAmt | 0 | 60000 |
| IRS990/TotalEmployeeCnt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 16591 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 16591 |
| IRS990/TotalGrossUBIAmt | 0 | 94730 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 6100 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 4500 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 6100 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 4500 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 1946050 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 2277677 |
| IRS990/TotalRevenueGrp/ExclusionAmt | 0 | 0 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 0 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 154730 |
| IRS990/TotalRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 94730 |
| IRS990/TotalVolunteersCnt | 0 | 10 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 1952150 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 2282177 |
| IRS990/TransactionWithControlEntInd | 0 | false |
| IRS990/TypeOfOrganizationCorpInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | true |
| IRS990/UponRequestInd | 0 | X |
| IRS990/USAddress/AddressLine1Txt | 0 | PO BOX 380261 |
| IRS990/USAddress/CityNm | 0 | CAMBRIDGE |
| IRS990/USAddress/StateAbbreviationCd | 0 | MA |
| IRS990/USAddress/ZIPCd | 0 | 02238 |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 10 |
| IRS990/VotingMembersIndependentCnt | 0 | 0 |
| IRS990/WebsiteAddressTxt | 0 | N/A |
| IRS990/WhistleblowerPolicyInd | 0 | false |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | ANTHONY BIENSTOCK |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | TREASURER |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 6176612697 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-02-20 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | OWL CLUB CAPITAL MANAGEMENT INC |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | OWLC |
| ReturnHeader/Filer/EIN | 0 | 204744523 |
| ReturnHeader/Filer/PhoneNum | 0 | 6176612697 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 30 HOLYOKE STREET |
| ReturnHeader/Filer/USAddress/CityNm | 0 | CAMBRIDGE |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | MA |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 02138 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | true |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 454316449 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | DOUG J MURSTEIN CPA & ASSOCIATES INC |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 251 HARVARD STREET SUITE 18 |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | BROOKLINE |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | MA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 02446 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 6175054121 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2025-05-08 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | DOUG J MURSTEIN CPA |
| ReturnHeader/ReturnTs | 0 | 2025-05-15T07:47:45-07:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2024-12-31 |
| ReturnHeader/TaxYr | 0 | 2024 |
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