Great Circle Foundation Inc

EIN 20-5095658 • East Northport, NY

6 Elgar StreetEast Northport, NY 11731

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

0.00x

Tied with the lowest-debt nonprofits in its peer group.

$1M-$5M nonprofits • Source year 2024

0.00x

Tied with the lowest-debt nonprofits in its peer group.

$1M-$5M nonprofits • Source year 2024

20%

Higher net margin than 71% of similar nonprofits.

$1M-$5M nonprofits • Source year 2024

Higher top officer pay than 67% of similar nonprofits.

Top officer pay equals 0.0% of source-year revenue.

$1M-$5M nonprofits • Source year 2020

10%

Faster asset growth than 70% of similar nonprofits.

$1M-$5M nonprofits • Annualized from 2023 to 2024

6.3%

Faster revenue growth than 48% of similar nonprofits.

$1M-$5M nonprofits • Annualized from 2023 to 2024

Balance Sheet

Liabilities / Assets30th percentile

Assets

$1,939,628

Up $176,806 (+10%) from 2023

Liabilities

Flat

Flat from 2023

Net Assets

$1,939,628

Up $176,806 (+10%) from 2023

Operations

Liabilities / Revenue30th percentile Net Margin71st percentile

Revenue

$111,666

Up $6,641 (+6.3%) from 2023

Expenses

$89,434

Up $18,163 (+25%) from 2023

Net Income

Down

$22,232

Down $11,522 (-34%) from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth70th percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

Highlighted filing

2024

Assets$1,939,628

Liabilities$0

Net Assets$1,939,628

Open 2024 Filing

Operations Trend

Revenue Growth48th percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

Highlighted filing

2024

Revenue$111,666

Expenses$89,434

Net Income$22,232

Open 2024 Filing

Filings

Most recent year

2024 • Form 990PFDetailed filing. Detailed filing data is available for this year.

Open filing

Assets: $1,939,628
Liabilities: $0
Net assets: $1,939,628
Revenue: $111,666
Expenses: $89,434
Net income: $22,232

	Balance Sheet			Operations
Year	Assets	Liabilities	Net Assets	Revenue	Expenses	Net Income
2024Detailed filing. Detailed filing data is available for this year.	$1.94	$0.00	$1.94	$0.11	$0.09	$0.02
2023Detailed filing. Detailed filing data is available for this year.	$1.76	$0.00	$1.76	$0.11	$0.07	$0.03
2022Detailed filing. Detailed filing data is available for this year.	$1.73	$0.00	$1.73	$0.09	$0.09	$0.01
2021Detailed filing. Detailed filing data is available for this year.	$1.73	$0.00	$1.73	$0.06	$0.10	$0.04
2020Detailed filing. Detailed filing data is available for this year.	$1.75	$0.00	$1.75	$0.06	$0.07	$0.01
2019Detailed filing. Detailed filing data is available for this year.	$1.72	$0.00	$1.72	$0.08	$0.11	$0.03
2015Summary only. Only limited summary data is available for this year.	$1.86	$0.00		$0.07	$0.11	$0.04
2014Summary only. Only limited summary data is available for this year.	$1.90	$0.00		$0.09	$0.12	$0.03
2013Summary only. Only limited summary data is available for this year.	$1.95	$0.02		$0.14	$0.12	$0.02
2012Summary only. Only limited summary data is available for this year.	$1.91	$0.00		$0.02	$0.12	$0.10
2011Summary only. Only limited summary data is available for this year.	$1.96	$0.00		$0.00	$0.13	$0.13

Latest Filing Detail

Jump To

Filing Snapshot

Filing Period: Jan 1, 2024 to Dec 31, 2024
Signed: Oct 26, 2025
Return Version: 2024v5.2

Compensation and Service Providers

Top Officer Pay67th percentile

Employees

Name	Title	Full / Part Time	Base	Other	Total
ROBERT V WEINBERG	President	-	$0	-	-
BARBARA WEINBERG	Director	-	$0	-	-
JEANNINE R WEINBERG	Director	-	$0	-	-

Filing and Contact Details

Filer

Filer Name: Great Circle Foundation Inc
EIN: 20-5095658
In Care Of: % ROBERT V WEINBERG
Phone: 5163530892
Address: 6 ELGAR STREET, EAST NORTHPORT, NY 11731

Signing Officer

Name: Robert V Weinberg
Title: President
Phone: 5163530892
Signed: 2025-10-26

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IRS990PF/Form990PFBalanceSheetsGrp/USGovernmentObligationsBOYAmt	0	248586
IRS990PF/Form990PFBalanceSheetsGrp/USGovernmentObligationsEOYAmt	0	198172
IRS990PF/Form990PFBalanceSheetsGrp/USGovtObligationsEOYFMVAmt	0	199835
IRS990PF/MethodOfAccountingAccrualInd	0	X
IRS990PF/MinimumInvestmentReturnGrp/AdjustedTotalFMVOfUnusedAstAmt	0	1705212
IRS990PF/MinimumInvestmentReturnGrp/AverageMonthlyCashBalancesAmt	0	138189
IRS990PF/MinimumInvestmentReturnGrp/AverageMonthlyFMVOfSecAmt	0	1567023
IRS990PF/MinimumInvestmentReturnGrp/CashDeemedCharitableAmt	0	25578
IRS990PF/MinimumInvestmentReturnGrp/FMVAllOtherNoncharitableAstAmt	0	0
IRS990PF/MinimumInvestmentReturnGrp/MinimumInvestmentReturnAmt	0	83982
IRS990PF/MinimumInvestmentReturnGrp/NetVlNoncharitableAssetsAmt	0	1679634
IRS990PF/MinimumInvestmentReturnGrp/ReductionClaimedAmt	0	0
IRS990PF/MinimumInvestmentReturnGrp/TotalFMVOfUnusedAssetsAmt	0	1705212
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompOfHghstPdCntrctOrNONETxt	0	NONE
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompOfHghstPdEmplOrNONETxt	0	NONE
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/ContractorPaidOver50kCnt	0	0
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/AverageHrsPerWkDevotedToPosRt	0	1.00
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/AverageHrsPerWkDevotedToPosRt	1	1.00
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/AverageHrsPerWkDevotedToPosRt	2	1.00
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/CompensationAmt	0	0
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/CompensationAmt	1	0
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/CompensationAmt	2	0
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/EmployeeBenefitProgramAmt	0	0
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/EmployeeBenefitProgramAmt	1	0
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/EmployeeBenefitProgramAmt	2	0
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/ExpenseAccountOtherAllwncAmt	0	0
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/ExpenseAccountOtherAllwncAmt	1	0
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/ExpenseAccountOtherAllwncAmt	2	0
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm	0	ROBERT V WEINBERG
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm	1	BARBARA WEINBERG
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm	2	JEANNINE R WEINBERG
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt	0	PRESIDENT
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt	1	DIRECTOR
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt	2	DIRECTOR
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/AddressLine1Txt	0	166 EAST 61ST STREET STE APT 6J
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/AddressLine1Txt	1	166 EAST 61ST STREET STE APT 6J
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/AddressLine1Txt	2	6 ELGAR STREET
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/CityNm	0	NEW YORK
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/CityNm	1	NEW YORK
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/CityNm	2	EAST NORTHPORT
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd	0	NY
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd	1	NY
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd	2	NY
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd	0	10065
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd	1	10065
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd	2	11731
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OtherEmployeePaidOver50kCnt	0	0
IRS990PF/Organization501c3ExemptPFInd	0	X
IRS990PF/PFQualifyingDistributionsGrp/ExpensesAndContributionsAmt	0	68500
IRS990PF/PFQualifyingDistributionsGrp/QualifyingDistributionsAmt	0	68500
IRS990PF/PrivateOperatingFoundationsGrp/LessorAdjNetIncmMinInvstRetGrp/CurrentYearAmt	0	0
IRS990PF/PrivateOperatingFoundationsGrp/LessorAdjNetIncmMinInvstRetGrp/TotalAmt	0	0
IRS990PF/PrivateOperatingFoundationsGrp/QualifyingDistributionsGrp/TotalAmt	0	0
IRS990PF/StatementsRegardingActy4720Grp/ActsFailToQlfyAsExceptionsInd	0	false
IRS990PF/StatementsRegardingActy4720Grp/BrrwOrLendDisqualifiedPrsnInd	0	false
IRS990PF/StatementsRegardingActy4720Grp/BusinessHoldingsInd	0	false
IRS990PF/StatementsRegardingActy4720Grp/ExcessBusinessHoldingsInd	0	false
IRS990PF/StatementsRegardingActy4720Grp/FurnGoodsDisqualifiedPrsnInd	0	false
IRS990PF/StatementsRegardingActy4720Grp/GrantsToIndividualsInd	0	false
IRS990PF/StatementsRegardingActy4720Grp/GrantsToOrganizationsInd	0	false
IRS990PF/StatementsRegardingActy4720Grp/InfluenceElectionInd	0	false
IRS990PF/StatementsRegardingActy4720Grp/InfluenceLegislationInd	0	false
IRS990PF/StatementsRegardingActy4720Grp/JeopardyInvestmentsInd	0	false
IRS990PF/StatementsRegardingActy4720Grp/MaintainedExpenditureRspnsInd	0	false
IRS990PF/StatementsRegardingActy4720Grp/NoncharitablePurposeInd	0	false
IRS990PF/StatementsRegardingActy4720Grp/PayCompDisqualifiedPrsnInd	0	true
IRS990PF/StatementsRegardingActy4720Grp/PaymentToGovernmentOfficialInd	0	false
IRS990PF/StatementsRegardingActy4720Grp/PayPremiumsPrsnlBnftCntrctInd	0	false
IRS990PF/StatementsRegardingActy4720Grp/ProceedsOrNetIncomeInd	0	false
IRS990PF/StatementsRegardingActy4720Grp/ProhibitedTaxShelterTransInd	0	false
IRS990PF/StatementsRegardingActy4720Grp/RcvFndsToPayPrsnlBnftCntrctInd	0	false
IRS990PF/StatementsRegardingActy4720Grp/SaleOrExchDisqualifiedPrsnInd	0	false
IRS990PF/StatementsRegardingActy4720Grp/SubjToTaxRmnrtnExPrchtPymtInd	0	false
IRS990PF/StatementsRegardingActy4720Grp/TransactionsFailToQlfyAsExcInd	0	false
IRS990PF/StatementsRegardingActy4720Grp/TransferAstDisqualifiedPrsnInd	0	false
IRS990PF/StatementsRegardingActy4720Grp/UncorrectedPriorActsInd	0	false
IRS990PF/StatementsRegardingActy4720Grp/UncorrectedPYJeopardyInvstInd	0	false
IRS990PF/StatementsRegardingActy4720Grp/UndistributedIncomePYInd	0	false
IRS990PF/StatementsRegardingActy4720Grp/UndistrIncmSect4942a2NotAppInd	0	false
IRS990PF/StatementsRegardingActyGrp/ActivitiesNotPreviouslyRptInd	0	false
IRS990PF/StatementsRegardingActyGrp/AtLeast5000InAssetsInd	0	false
IRS990PF/StatementsRegardingActyGrp/ChangesToArticlesOrBylawsInd	0	false
IRS990PF/StatementsRegardingActyGrp/ComplyWithPublicInspRqrInd	0	false
IRS990PF/StatementsRegardingActyGrp/DonorAdvisedFundInd	0	false
IRS990PF/StatementsRegardingActyGrp/ForeignAccountsQuestionInd	0	false
IRS990PF/StatementsRegardingActyGrp/Form1120POLFiledInd	0	false
IRS990PF/StatementsRegardingActyGrp/LegislativePoliticalActyInd	0	false
IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/AddressLine1Txt	0	6 ELGAR STREET
IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/CityNm	0	EAST NORTHPORT
IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/StateAbbreviationCd	0	NY
IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/ZIPCd	0	11731
IRS990PF/StatementsRegardingActyGrp/MoreThan100SpentInd	0	false
IRS990PF/StatementsRegardingActyGrp/NewSubstantialContributorsInd	0	false
IRS990PF/StatementsRegardingActyGrp/OrganizationDissolvedEtcInd	0	false
IRS990PF/StatementsRegardingActyGrp/OrgReportOrRegisterStateCd	0	NY
IRS990PF/StatementsRegardingActyGrp/OwnControlledEntityInd	0	false
IRS990PF/StatementsRegardingActyGrp/PersonsWithBooksName/BusinessNameLine1Txt	0	JEANNINE R WEINBERG
IRS990PF/StatementsRegardingActyGrp/PhoneNum	0	5163530892
IRS990PF/StatementsRegardingActyGrp/PrivateOperatingFoundationInd	0	false
IRS990PF/StatementsRegardingActyGrp/Section508eRqrSatisfiedInd	0	true
IRS990PF/StatementsRegardingActyGrp/UnrelatedBusIncmOverLimitInd	0	false
IRS990PF/StatementsRegardingActyGrp/WebsiteAddressTxt	0	WWW.GREATCIRCLEFOUNDATION.ORG
IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/FormAndInfoAndMaterialsTxt	0	NA
IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/RecipientPersonNm	0	JEANNINE R WEINBERG
IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/RecipientUSAddress/AddressLine1Txt	0	6 ELGAR STREET
IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/RecipientUSAddress/CityNm	0	EAST NORTHPORT
IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/RecipientUSAddress/StateAbbreviationCd	0	NY
IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/RecipientUSAddress/ZIPCd	0	11731
IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/RestrictionsOnAwardsTxt	0	NA
IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/SubmissionDeadlinesTxt	0	NA
IRS990PF/SupplementaryInformationGrp/ContributingManagerNm	0	ROBERT V H WEINBERG
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt	0	30000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt	1	2000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt	2	20000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt	3	4000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt	4	12500
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	0	EDUCATIONAL OUTREACH AND YOUTH EDUCATIONN
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	1	ASSISTANCE TO UNDERPRIVILEGED CHILDREN
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	2	EDUCATIONAL PROGRAM
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	3	CHILDRENS MUSIC EDUCATION
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	4	YOUTH EDUCATIONAL PROGRAM
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	0	HILLSDALE COLLEGE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	1	JOHN THEISSEN CHILDRENS FOUNDATION
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	2	LANDMARK LEGAL FOUNDATION
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	3	SECOND LINE ART COLLECTIVE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	4	SHERMAN HISTORICAL SOCIETY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	0	33 EAST COLLEGE STREET
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	1	1492 WANTAGH AVENUE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	2	3100 BROADWAY Ste SUITE 1210
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	3	4313 LAKE TRAIL DRIVE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	4	10 ROUTE 37 CENTRAL
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	0	HILLSDALE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	1	WANTAGH
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	2	KANSAS CITY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	3	KENNER
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	4	SHERMAN
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	0	MI
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	1	NY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	2	MO
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	3	LA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	4	CT
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	0	49242
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	1	11793
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	2	64111
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	3	70065
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	4	06784
IRS990PF/SupplementaryInformationGrp/OnlyContriToPreselectedInd	0	X
IRS990PF/SupplementaryInformationGrp/TotalGrantOrContriApprvFutAmt	0	0
IRS990PF/SupplementaryInformationGrp/TotalGrantOrContriPdDurYrAmt	0	68500
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/LoansOrLoanGuaranteesInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/PerformanceOfServicesEtcInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/PurchaseOfAssetsNonchrtblEOInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/ReimbursementArrangementsInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/RelationshipsNonchrtblEOInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/RentalOfFacilitiesOthAssetsInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/SalesOrExchangesOfAssetsInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/SharingOfFacilitiesEtcInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/TrnsfrOfCashToNonchrtblEOInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/TrnsfrOtherAssetNonchrtblEOInd	0	false
IRS990PF/UndistributedIncomeGrp/AppliedToCurrentYearAmt	0	12076
IRS990PF/UndistributedIncomeGrp/AppliedToPriorYearsAmt	0	0
IRS990PF/UndistributedIncomeGrp/AppliedToYear1Amt	0	56424
IRS990PF/UndistributedIncomeGrp/DistributableAsAdjustedAmt	0	81845
IRS990PF/UndistributedIncomeGrp/QualifyingDistributionsAmt	0	68500
IRS990PF/UndistributedIncomeGrp/TreatedAsDistriFromCorpusAmt	0	0
IRS990PF/UndistributedIncomeGrp/UndistributedIncomeCYAmt	0	69769
IRS990PF/UndistributedIncomeGrp/UndistributedIncomePYAmt	0	56424
IRS990ScheduleB/ContributorInformationGrp/ContributorNum	0	1
IRS990ScheduleB/ContributorInformationGrp/ContributorPersonNm	0	ROBERT V WEINBERG
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1Txt	0	166 EAST 61ST STREET APT 6J
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/CityNm	0	NEW YORK
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/StateAbbreviationCd	0	NY
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCd	0	10065
IRS990ScheduleB/ContributorInformationGrp/PersonContributionInd	0	X
IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt	0	200
IRS990ScheduleB/GeneralRuleInd	0	X
IRS990ScheduleB/Organization501c3ExemptPFInd	0	X
OtherIncomeSchedule2/OtherIncomeDetail/AdjustedNetIncomeAmt	0	3919
OtherIncomeSchedule2/OtherIncomeDetail/Desc	0	FEDERAL INCOME TAX REFUND
OtherIncomeSchedule2/OtherIncomeDetail/RevenueAndExpensesPerBooksAmt	0	3919
OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/Amt	0	16805
OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/Amt	1	44
OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/CategoryTxt	0	INVESTMENT MANAGEMENT FEE
OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/CategoryTxt	1	ADR MANAGEMENT FEES
OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/NetInvestmentIncomeAmt	0	16805
OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/NetInvestmentIncomeAmt	1	44
TaxesSchedule/TaxesDetail/Amt	0	416
TaxesSchedule/TaxesDetail/Amt	1	250
TaxesSchedule/TaxesDetail/Amt	2	1219
TaxesSchedule/TaxesDetail/Amt	3	2000
TaxesSchedule/TaxesDetail/CategoryTxt	0	FOREIGN TAX PAID
TaxesSchedule/TaxesDetail/CategoryTxt	1	NY STATE DOS FEE
TaxesSchedule/TaxesDetail/CategoryTxt	2	FEDERAL INCOME TAX
TaxesSchedule/TaxesDetail/CategoryTxt	3	FEDERAL INCOME TAX DEPOSI
TaxesSchedule/TaxesDetail/NetInvestmentIncomeAmt	0	416
TaxesSchedule/TaxesDetail/NetInvestmentIncomeAmt	1	250
TaxesSchedule/TaxesDetail/NetInvestmentIncomeAmt	2	1219
TaxesSchedule/TaxesDetail/NetInvestmentIncomeAmt	3	2000
ReturnHeader/BuildTS	0	2025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/PersonNm	0	ROBERT V WEINBERG
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt	0	PRESIDENT
ReturnHeader/BusinessOfficerGrp/PhoneNum	0	5163530892
ReturnHeader/BusinessOfficerGrp/SignatureDt	0	2025-10-26
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt	0	GREAT CIRCLE FOUNDATION INC
ReturnHeader/Filer/BusinessNameControlTxt	0	GREA
ReturnHeader/Filer/EIN	0	205095658
ReturnHeader/Filer/InCareOfNm	0	% ROBERT V WEINBERG
ReturnHeader/Filer/PhoneNum	0	5163530892
ReturnHeader/Filer/USAddress/AddressLine1Txt	0	6 ELGAR STREET
ReturnHeader/Filer/USAddress/CityNm	0	EAST NORTHPORT
ReturnHeader/Filer/USAddress/StateAbbreviationCd	0	NY
ReturnHeader/Filer/USAddress/ZIPCd	0	11731
ReturnHeader/IRSResponsiblePrtyInfoCurrInd	0	true
ReturnHeader/ReturnTs	0	2025-10-26T09:08:05-05:00
ReturnHeader/ReturnTypeCd	0	990PF
ReturnHeader/TaxPeriodBeginDt	0	2024-01-01

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