Civic Intelligence

Burnham Family Foundation

EIN 35-6951044 • Wilmington, DE

Pub. 78 EligibleNTEE T20
Foundation Source 501 Silverside RdWilmington, DE 19809-1377
Siviq Scores

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

Liabilities / Assets

50th percentile

0.00x

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

NTEE T • $50M-$100M nonprofits • Source year 2024

Liabilities / Revenue

50th percentile

0.00x

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

NTEE T • $50M-$100M nonprofits • Source year 2024

Net Margin

91st percentile

89%

Higher net margin than 91% of similar nonprofits.

NTEE T • $50M-$100M nonprofits • Source year 2024

Top Officer Pay

55th percentile

$0

Higher top officer pay than 55% of similar nonprofits.

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

NTEE T • $50M-$100M nonprofits • Source year 2024

Asset Growth

90th percentile

45%

Faster asset growth than 90% of similar nonprofits.

NTEE T • $50M-$100M nonprofits • Annualized from 2023 to 2024

Revenue Growth

79th percentile

202%

Faster revenue growth than 79% of similar nonprofits.

NTEE T • $50M-$100M nonprofits • Annualized from 2023 to 2024

Assets

Up

$75,077,835

Up $23,274,351 (+45%) from 2023

Liabilities

Flat

$0

Flat from 2023

Net Assets

Up

$75,077,835

Up $23,274,351 (+45%) from 2023

Revenue

Up

$25,147,421

Up $16,819,158 (+202%) from 2023

Expenses

Down

$2,864,198

Down $620,222 (-18%) from 2023

Net Income

Up

$22,283,223

Up $17,439,380 (+360%) from 2023

Trend Graphs

Balance Sheet Trend

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

$80M$60M$40M$20M$0Assets 2013: $7,545,017Liabilities 2013: $0Net Assets 2013: $7,545,0172013Assets 2014: $16,690,608Liabilities 2014: $0Net Assets 2014: $16,690,6082014Assets 2015: $17,020,789Liabilities 2015: $0Net Assets 2015: $17,020,7892015Assets 2016: $17,300,527Liabilities 2016: $0Net Assets 2016: $17,300,5272016Assets 2017: $18,307,638Liabilities 2017: $0Net Assets 2017: $18,307,6382017Assets 2018: $17,185,157Liabilities 2018: $0Net Assets 2018: $17,185,1572018Assets 2019: $17,961,033Liabilities 2019: $0Net Assets 2019: $17,961,0332019Assets 2020: $17,416,271Liabilities 2020: $0Net Assets 2020: $17,416,2712020Assets 2021: $43,937,932Liabilities 2021: $0Net Assets 2021: $43,937,9322021Assets 2022: $44,801,735Liabilities 2022: $0Net Assets 2022: $44,801,7352022Assets 2023: $51,803,484Liabilities 2023: $0Net Assets 2023: $51,803,4842023Assets 2024: $75,077,835Liabilities 2024: $0Net Assets 2024: $75,077,8352024

Highlighted filing

2024

Assets$75,077,835
Liabilities$0
Net Assets$75,077,835

Operations Trend

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

$30M$20M$10M$0-$10MRevenue 2013: $2,143,660Expenses 2013: $545,569Net Income 2013: $1,598,0912013Revenue 2014: $10,292,940Expenses 2014: $1,147,351Net Income 2014: $9,145,5892014Revenue 2015: $679,619Expenses 2015: $349,438Net Income 2015: $330,1812015Revenue 2016: $1,150,207Expenses 2016: $870,469Net Income 2016: $279,7382016Revenue 2017: $1,051,230Expenses 2017: $44,119Net Income 2017: $1,007,1112017Revenue 2018: $702,221Expenses 2018: $1,915,307Net Income 2018: -$1,213,0862018Revenue 2019: $1,610,217Expenses 2019: $1,068,850Net Income 2019: $541,3672019Revenue 2020: $322,057Expenses 2020: $1,194,448Net Income 2020: -$872,3912020Revenue 2021: $26,838,926Expenses 2021: $317,265Net Income 2021: $26,521,6612021Revenue 2022: $4,515,048Expenses 2022: $3,589,438Net Income 2022: $925,6102022Revenue 2023: $8,328,263Expenses 2023: $3,484,420Net Income 2023: $4,843,8432023Revenue 2024: $25,147,421Expenses 2024: $2,864,198Net Income 2024: $22,283,2232024

Highlighted filing

2024

Revenue$25,147,421
Expenses$2,864,198
Net Income$22,283,223

Filings

Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2024 to Dec 31, 2024
Signed
Oct 4, 2025
Return Version
2024v5.2
Compensation and Service Providers

Employees

NameTitleFull / Part TimeBaseOtherTotal
Mary Buttrick BurnhamTrustee-$0--
R Bradford Burnham IIITrustee-$0--
Filing and Contact Details

Filer

Filer Name
Burnham Family Foundation
EIN
35-6951044
In Care Of
% Foundation Source
Phone
8008391754
Address
Foundation Source 501 Silverside Rd, Wilmington, DE 19809-1377

Signing Officer

Name
Mary Buttrick Burnham
Title
Trustee
Phone
8008391754
Signed
2025-10-04
Discuss with paid preparer
Yes

Preparer

Firm
Foundation Source
Address
3333 New Hyde Park Rd Ste 406, New Hyde Park, NY 11042
Preparer
Jeffrey D Haskell
Phone
8008391754
Raw XML AppendixShowing 400 of 883 raw XML fields

This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

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AccountingFeesSchedule/AccountingFeesDetail/Amt02325
AccountingFeesSchedule/AccountingFeesDetail/Amt13520
AccountingFeesSchedule/AccountingFeesDetail/CategoryTxt0Tax Return Preparation/Review
AccountingFeesSchedule/AccountingFeesDetail/CategoryTxt1BOOKKEEPING
AccountingFeesSchedule/AccountingFeesDetail/DisbursementsCharitablePrpsAmt02325
AccountingFeesSchedule/AccountingFeesDetail/DisbursementsCharitablePrpsAmt13520
GeneralExplanationAttachment/GeneralExplanationGrp/FormAndLineReferenceDesc0PART I LINE 25 AND PART XIV LINE 3A
GeneralExplanationAttachment/GeneralExplanationGrp/FormAndLineReferenceDesc1PART I LINE 25 AND PART XIV LINE 3A
GeneralExplanationAttachment/GeneralExplanationGrp/FormAndLineReferenceDesc2FORM 990-PF
GeneralExplanationAttachment/GeneralExplanationGrp/IdentifierTxt0IN-KIND GRANTS
GeneralExplanationAttachment/GeneralExplanationGrp/IdentifierTxt1IN-KIND GRANTS
GeneralExplanationAttachment/GeneralExplanationGrp/IdentifierTxt2FORM 990-PF
GeneralExplanationAttachment/GeneralExplanationGrp/MediumExplanationTxt0DISTRIBUTIONS OF PROPERTY VALUE AT FAIR MARKET VALUE AT DATE OF DISTRIBUTION METHOD FOR DETERMINING FMV OF SECURITIES: AVERAGE OF HIGH/LOW ON DATE GRANTED TO CHARITY METHOD OF DETERMINING BOOK VALUE OF SECURITIES: COST OR AVERAGE OF HIGH/LOW ON DATE CONTRIBUTED TO FOUNDATION TOTAL FAIR MARKET VALUE OF PROPERTY: $1,499,608 TOTAL BOOK VALUE OF PROPERTY: $508,480 TOTAL CASH PORTION OF GRANTS: $- TOTAL AMOUNT OF GRANTS: $1,499,608 FORM 990-PF, PART III, LINE 3 - OTHER INCREASES/DECREASES: $991,128 DETAILS OF ITEMS GRANTED: DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 67 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: CARY INSTITUTE OF ECOSYSTEM STUDIES INC FMV OF PROPERTY: $24,842 BOOK VALUE OF PROPERTY: $42 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $24,842 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 29 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: DYSLEXIA ALLIANCE FOR BLACK CHILDREN FMV OF PROPERTY: $10,304 BOOK VALUE OF PROPERTY: $10,650 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $10,304 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 67 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: ECHOING GREEN INC FMV OF PROPERTY: $24,842 BOOK VALUE OF PROPERTY: $42 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $24,842 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 67 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: EL EDUCATION INC FMV OF PROPERTY: $24,842 BOOK VALUE OF PROPERTY: $42 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $24,842 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 67 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: ENVIRONMENTAL ADVOCATES NY INC FMV OF PROPERTY: $24,842 BOOK VALUE OF PROPERTY: $42 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $24,842 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 67 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: FARMLINK PROJECT FMV OF PROPERTY: $24,767 BOOK VALUE OF PROPERTY: $42 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $24,767 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 67 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: FFWD FMV OF PROPERTY: $24,842 BOOK VALUE OF PROPERTY: $42 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $24,842 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 200 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: FREE AND FAIR LITIGATION GROUP INC FMV OF PROPERTY: $73,931 BOOK VALUE OF PROPERTY: $126 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $73,931 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 71 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: LITERACY INC. FMV OF PROPERTY: $25,227 BOOK VALUE OF PROPERTY: $26,073 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $25,227 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 170 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: NATURAL AREAS CONSERVANCY INC FMV OF PROPERTY: $60,402 BOOK VALUE OF PROPERTY: $62,428 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $60,402 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 67 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: NEW PROFIT INC FMV OF PROPERTY: $24,842 BOOK VALUE OF PROPERTY: $24,605 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $24,842 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 267 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: NEW STORY INC FMV OF PROPERTY: $98,697 BOOK VALUE OF PROPERTY: $168 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $98,697 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 71 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: OPEN SPACE INSTITUTE LAND TRUST INC FMV OF PROPERTY: $25,227 BOOK VALUE OF PROPERTY: $26,074 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $25,227 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 22 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: RIVERKEEPER INC FMV OF PROPERTY: $8,157 BOOK VALUE OF PROPERTY: $14 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $8,157
GeneralExplanationAttachment/GeneralExplanationGrp/MediumExplanationTxt1DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 54 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: SAVE THE SOUND INC FMV OF PROPERTY: $20,022 BOOK VALUE OF PROPERTY: $34 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $20,022 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 80 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: WIKIMEDIA ENDOWMENT FMV OF PROPERTY: $29,662 BOOK VALUE OF PROPERTY: $50 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $29,662 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 134 DATE OF DISTRIBUTION: 05/14/2024 GRANT RECIPIENT: AMERICAN CIVIL LIBERTIES UNION FOUNDATION INC FMV OF PROPERTY: $49,533 BOOK VALUE OF PROPERTY: $49,207 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $49,533 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 284 DATE OF DISTRIBUTION: 05/14/2024 GRANT RECIPIENT: ARCHITECTURAL LEAGUE OF NEW YORK FMV OF PROPERTY: $100,907 BOOK VALUE OF PROPERTY: $69,831 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $100,907 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 114 DATE OF DISTRIBUTION: 05/14/2024 GRANT RECIPIENT: BILLION OYSTER PROJECT FMV OF PROPERTY: $40,505 BOOK VALUE OF PROPERTY: $41,863 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $40,505 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 200 DATE OF DISTRIBUTION: 05/14/2024 GRANT RECIPIENT: EARTHJUSTICE FMV OF PROPERTY: $74,154 BOOK VALUE OF PROPERTY: $126 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $74,154 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 134 DATE OF DISTRIBUTION: 05/14/2024 GRANT RECIPIENT: ELECTRONIC FRONTIER FOUNDATION INC FMV OF PROPERTY: $49,533 BOOK VALUE OF PROPERTY: $84 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $49,533 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 27 DATE OF DISTRIBUTION: 05/14/2024 GRANT RECIPIENT: GLYNWOOD CENTER INC FMV OF PROPERTY: $10,011 BOOK VALUE OF PROPERTY: $17 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $10,011 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 340 DATE OF DISTRIBUTION: 05/14/2024 GRANT RECIPIENT: LIGHTHOUSE WORKS INC FMV OF PROPERTY: $120,804 BOOK VALUE OF PROPERTY: $214 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $120,804 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 267 DATE OF DISTRIBUTION: 05/14/2024 GRANT RECIPIENT: TEACHING LAB FMV OF PROPERTY: $98,697 BOOK VALUE OF PROPERTY: $98,048 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $98,697 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 267 DATE OF DISTRIBUTION: 05/14/2024 GRANT RECIPIENT: TEACHING MATTERS INC FMV OF PROPERTY: $98,996 BOOK VALUE OF PROPERTY: $98,049 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $98,996 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 54 DATE OF DISTRIBUTION: 05/14/2024 GRANT RECIPIENT: THE NEW YORK COMMUNITY TRUST FMV OF PROPERTY: $20,022 BOOK VALUE OF PROPERTY: $34 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $20,022 DESCRIPTION OF PROPERTY: COINBASE GLOBAL UNITS: 642 DATE OF DISTRIBUTION: 07/22/2024 GRANT RECIPIENT: BILLION OYSTER PROJECT FMV OF PROPERTY: $155,499 BOOK VALUE OF PROPERTY: $266 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $155,499 DESCRIPTION OF PROPERTY: COINBASE GLOBAL UNITS: 642 DATE OF DISTRIBUTION: 07/22/2024 GRANT RECIPIENT: LIGHTHOUSE WORKS INC FMV OF PROPERTY: $155,499 BOOK VALUE OF PROPERTY: $266 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $155,499
GeneralExplanationAttachment/GeneralExplanationGrp/MediumExplanationTxt2One or more partnerships have provided a Schedule K-3 for the tax year in which they have checked one or more of the boxes in Part I but not provided sufficient back-up information to allow the Foundation to verify why such boxes were checked or the extent to which the checking of such boxes affects any item on this return. The Foundation has prepared this return to the best of its ability and without any foreign filings for such partnerships based on the information provided to it by these partnerships and on the basis of having received no information to the contrary. Any missing or incomplete information is due to the Foundation's inability to obtain such information and is not a willful attempt to withhold such information.
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IRS990PF/AnalysisOfRevenueAndExpenses/NetInvestmentIncomeAmt015546367
IRS990PF/AnalysisOfRevenueAndExpenses/OthEmplSlrsWgsDsbrsChrtblAmt0166042
IRS990PF/AnalysisOfRevenueAndExpenses/OthEmplSlrsWgsRevAndExpnssAmt0166042
IRS990PF/AnalysisOfRevenueAndExpenses/OtherExpensesDsbrsChrtblAmt090928
IRS990PF/AnalysisOfRevenueAndExpenses/OtherExpensesNetInvstIncmAmt080519
IRS990PF/AnalysisOfRevenueAndExpenses/OtherExpensesRevAndExpnssAmt0171348
IRS990PF/AnalysisOfRevenueAndExpenses/OtherIncomeNetInvstIncmAmt029667
IRS990PF/AnalysisOfRevenueAndExpenses/OtherIncomeRevAndExpnssAmt058538
IRS990PF/AnalysisOfRevenueAndExpenses/OtherProfFeesNetInvstIncmAmt0104211
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IRS990PF/AnalysisOfRevenueAndExpenses/PensionEmplBnftDsbrsChrtblAmt026459
IRS990PF/AnalysisOfRevenueAndExpenses/PensionEmplBnftRevAndExpnssAmt026459
IRS990PF/AnalysisOfRevenueAndExpenses/TaxesNetInvstIncmAmt05697
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IRS990PF/AnalysisOfRevenueAndExpenses/TotalExpensesAdjNetIncmAmt00
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IRS990PF/AnalysisOfRevenueAndExpenses/TotalNetInvstIncmAmt015736794
IRS990PF/AnalysisOfRevenueAndExpenses/TotalRevAndExpnssAmt025147421
IRS990PF/AnalysisOfRevenueAndExpenses/TotOprExpensesAdjNetIncmAmt00
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IRS990PF/AnalysisOfRevenueAndExpenses/TravConfMeetingRevAndExpnssAmt02432
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IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/PropertyDesc0Publicly-traded Securities
IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/PropertyDesc1Passthrough K1 Capital Gain/(Loss)
IRS990PF/CapGainsLossTxInvstIncmDetail/CapitalGainNetIncomeAmt014525020
IRS990PF/ChgInNetAssetsFundBalancesGrp/ExcessRevenueOverExpensesAmt022283223
IRS990PF/ChgInNetAssetsFundBalancesGrp/OtherIncreasesAmt0991128
IRS990PF/ChgInNetAssetsFundBalancesGrp/SubtotalAmt075077835
IRS990PF/ChgInNetAssetsFundBalancesGrp/TotNetAstOrFundBalancesBOYAmt051803484
IRS990PF/ChgInNetAssetsFundBalancesGrp/TotNetAstOrFundBalancesEOYAmt075077835
IRS990PF/DistributableAmountGrp/DistributableAsAdjustedAmt03262155
IRS990PF/DistributableAmountGrp/DistributableBeforeAdjAmt03262155
IRS990PF/DistributableAmountGrp/DistributableBeforeDedAmt03262155
IRS990PF/DistributableAmountGrp/IncomeTaxAmt02090
IRS990PF/DistributableAmountGrp/MinimumInvestmentReturnAmt03480340
IRS990PF/DistributableAmountGrp/TaxBasedOnInvestmentIncomeAmt0216095
IRS990PF/DistributableAmountGrp/TotalTaxAmt0218185
IRS990PF/ExciseTaxBasedOnInvstIncmGrp/AppliedToESTaxAmt01502
IRS990PF/ExciseTaxBasedOnInvstIncmGrp/EsPenaltyAmt00
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IRS990PF/ExciseTaxBasedOnInvstIncmGrp/ExemptFrgnOrgTaxWthldAtSrceAmt00
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IRS990PF/ExciseTaxBasedOnInvstIncmGrp/Form2220AttachedInd0X
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IRS990PF/ExciseTaxBasedOnInvstIncmGrp/OverpaymentAmt01502
IRS990PF/ExciseTaxBasedOnInvstIncmGrp/SubtotalAmt0216095
IRS990PF/ExciseTaxBasedOnInvstIncmGrp/TaxBasedOnInvestmentIncomeAmt0216095
IRS990PF/ExciseTaxBasedOnInvstIncmGrp/TotalPaymentsAndCreditsAmt0217597
IRS990PF/FMVAssetsEOYAmt083747700
IRS990PF/Form990PFBalanceSheetsGrp/CorporateStockBOYAmt037372723
IRS990PF/Form990PFBalanceSheetsGrp/CorporateStockEOYAmt047075320
IRS990PF/Form990PFBalanceSheetsGrp/CorporateStockEOYFMVAmt049020241
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IRS990PF/Form990PFBalanceSheetsGrp/RetainedEarningEOYAmt075077835
IRS990PF/Form990PFBalanceSheetsGrp/SavAndTempCashInvstBOYAmt0436083
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IRS990PF/Form990PFBalanceSheetsGrp/SavAndTempCashInvstEOYFMVAmt0441716
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IRS990PF/Form990PFBalanceSheetsGrp/TotalLiabilitiesEOYAmt00
IRS990PF/Form990PFBalanceSheetsGrp/TotalLiabilitiesNetAstBOYAmt051803484
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IRS990PF/Form990PFBalanceSheetsGrp/TotNetAstOrFundBalancesBOYAmt051803484
IRS990PF/Form990PFBalanceSheetsGrp/TotNetAstOrFundBalancesEOYAmt075077835
IRS990PF/Form990PFBalanceSheetsGrp/USGovernmentObligationsBOYAmt06211132
IRS990PF/Form990PFBalanceSheetsGrp/USGovernmentObligationsEOYAmt019045788
IRS990PF/Form990PFBalanceSheetsGrp/USGovtObligationsEOYFMVAmt019193366
IRS990PF/MethodOfAccountingCashInd0X
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IRS990PF/MinimumInvestmentReturnGrp/AverageMonthlyFMVOfSecAmt058573370
IRS990PF/MinimumInvestmentReturnGrp/CashDeemedCharitableAmt01060002
IRS990PF/MinimumInvestmentReturnGrp/FMVAllOtherNoncharitableAstAmt011471211
IRS990PF/MinimumInvestmentReturnGrp/MinimumInvestmentReturnAmt03480340
IRS990PF/MinimumInvestmentReturnGrp/NetVlNoncharitableAssetsAmt069606800
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IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationHighestPaidEmplGrp/AverageHrsPerWkDevotedToPosRt040.0
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationHighestPaidEmplGrp/CompensationAmt0166042
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationHighestPaidEmplGrp/EmployeeBenefitsAmt013452
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationHighestPaidEmplGrp/PersonNm0SOFIA GARCELON
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationHighestPaidEmplGrp/TitleTxt0EXECUTIVE DIRECTOR
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationHighestPaidEmplGrp/USAddress/AddressLine1Txt0PO BOX 855
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationHighestPaidEmplGrp/USAddress/CityNm0OLD LYME
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IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationOfHghstPdCntrctGrp/BusinessName/BusinessNameLine1Txt1Foundation Source
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationOfHghstPdCntrctGrp/CompensationAmt097616
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IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationOfHghstPdCntrctGrp/ServiceTypeTxt0Investment Mgmt
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationOfHghstPdCntrctGrp/ServiceTypeTxt1Administrative
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationOfHghstPdCntrctGrp/USAddress/AddressLine1Txt01261 Post Road
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationOfHghstPdCntrctGrp/USAddress/AddressLine1Txt155 Walls Drive Suite 302
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationOfHghstPdCntrctGrp/USAddress/CityNm0FAIRFIELD
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IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/CompensationAmt10
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/EmployeeBenefitProgramAmt00
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/EmployeeBenefitProgramAmt10
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/ExpenseAccountOtherAllwncAmt00
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/ExpenseAccountOtherAllwncAmt10
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm0Mary Buttrick Burnham
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm1R Bradford Burnham III
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt0Trustee
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt1Trustee
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/AddressLine1Txt0Foundation Source 501 Silverside Rd
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/AddressLine1Txt1Foundation Source 501 Silverside Rd
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/CityNm0Wilmington
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/CityNm1Wilmington
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IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd1198091377
IRS990PF/Organization501c3ExemptPFInd0X
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IRS990PF/PFQualifyingDistributionsGrp/ProgramRelatedInvstTotalAmt00
IRS990PF/PFQualifyingDistributionsGrp/QualifyingDistributionsAmt02623331
IRS990PF/PFQualifyingDistributionsGrp/SetAsideCashDistriTestAmt00
IRS990PF/PFQualifyingDistributionsGrp/SetAsideSuitabilityTestAmt00
IRS990PF/StatementsRegardingActy4720Grp/ActsFailToQlfyAsExceptionsInd0false
IRS990PF/StatementsRegardingActy4720Grp/BrrwOrLendDisqualifiedPrsnInd0false
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IRS990PF/StatementsRegardingActy4720Grp/FurnGoodsDisqualifiedPrsnInd0false
IRS990PF/StatementsRegardingActy4720Grp/GrantsToIndividualsInd0false
IRS990PF/StatementsRegardingActy4720Grp/GrantsToOrganizationsInd0false
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IRS990PF/StatementsRegardingActy4720Grp/InfluenceLegislationInd0false
IRS990PF/StatementsRegardingActy4720Grp/JeopardyInvestmentsInd0false
IRS990PF/StatementsRegardingActy4720Grp/NoncharitablePurposeInd0false
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IRS990PF/StatementsRegardingActy4720Grp/PayPremiumsPrsnlBnftCntrctInd0false
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IRS990PF/StatementsRegardingActyGrp/AtLeast5000InAssetsInd0true
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IRS990PF/StatementsRegardingActyGrp/ComplyWithPublicInspRqrInd0true
IRS990PF/StatementsRegardingActyGrp/DonorAdvisedFundInd0false
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IRS990PF/StatementsRegardingActyGrp/Form990PFFiledWithAttyGenInd0true
IRS990PF/StatementsRegardingActyGrp/Form990TFiledInd0true
IRS990PF/StatementsRegardingActyGrp/LegislativePoliticalActyInd0false
IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/AddressLine1Txt0501 Silverside Road Suite 123
IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/CityNm0Wilmington
IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/StateAbbreviationCd0DE
IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/ZIPCd0198091377
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IRS990PF/StatementsRegardingActyGrp/NewSubstantialContributorsInd0false
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IRS990PF/StatementsRegardingActyGrp/PhoneNum08008391754
IRS990PF/StatementsRegardingActyGrp/PrivateOperatingFoundationInd0false
IRS990PF/StatementsRegardingActyGrp/Section508eRqrSatisfiedInd0true
IRS990PF/StatementsRegardingActyGrp/UnrelatedBusIncmOverLimitInd0true
IRS990PF/SupplementaryInformationGrp/ContributingManagerNm0Mary Buttrick Burnham
IRS990PF/SupplementaryInformationGrp/ContributingManagerNm1R Bradford Burnham III
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt050000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt149533
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt2100907
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt3155499
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt440505
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt550000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt624842
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt710000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt810304
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt974154
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt1024842
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt1124842
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt1249533
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt1324842
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt1424767
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt1524842
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt1635000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt1773931
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt1825000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt1910011
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt2025000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt2125000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt22120804
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt23155499
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt2425227
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt2560402
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt26200000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt2724842
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt2898697
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt2950000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt3015000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt3125227
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt328157
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt3320022
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt3420000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt3598697
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt3698996
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt3750000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt3815000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt3942500
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt4020022
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt4110000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt42100000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt43100000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt4429662
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt0General & Unrestricted
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt1General & Unrestricted (see general explanation)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt2General & Unrestricted (see general explanation)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt3Mitigation Bank Development Fund (see general explanation)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt4Scholarship Fund; General & Unrestricted (see general explanation)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt5FBO Magpie Literacy for ROAR Integration Work
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt6Catalyst Fund and Data Visualization Fund (see general explanation)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt7Artist in Residence Program
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt8General & Unrestricted (see general explanation)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt9General & Unrestricted (see general explanation)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt10General & Unrestricted (see general explanation)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt11General & Unrestricted (see general explanation)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt12General & Unrestricted (see general explanation)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt13General & Unrestricted (see general explanation)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt14General & Unrestricted (see general explanation)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt15General & Unrestricted (see general explanation)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt16General & Unrestricted
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt17General & Unrestricted (see general explanation)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt18NYC Public Schools Educator and Student Programming at the Arts Hub - Studio Artist Stipends and Fund for Public Schools' Administrative Fee
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt19General & Unrestricted (see general explanation)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt20General & unrestricted; Seagrass coalition
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt21Exploring Creative Futures
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt22General & Unrestricted (see general explanation)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt23Hoffort House Maintenance Reserve Fund (see general explanation)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt24General & Unrestricted (see general explanation)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt25Wetland Mitigation (see general explanation)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt26General & Unrestricted

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