Mathworks Foundation Inc.

EIN 83-1665375 • Natick, MA

Pub. 78 Eligible

1 Apple Hill DriveNatick, MA 01760

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.

$250M-$1B nonprofits • Source year 2024

0.00x

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

$250M-$1B nonprofits • Source year 2024

86%

Higher net margin than 97% of similar nonprofits.

$250M-$1B nonprofits • Source year 2024

Higher top officer pay than 9% of similar nonprofits.

$250M-$1B nonprofits • Source year 2025

58%

Faster asset growth than 97% of similar nonprofits.

$250M-$1B nonprofits • Annualized from 2023 to 2024

2349%

Faster revenue growth than 99% of similar nonprofits.

$250M-$1B nonprofits • Annualized from 2023 to 2024

Balance Sheet

Liabilities / Assets7th percentile

Using 2024 Form 990PF data because the latest 2025 filing does not report standard financial totals.

Assets

$424,415,799

Up $156,380,191 (+58%) from 2023

Liabilities

Down

Down $1 (-100%) from 2023

Net Assets

$424,415,799

Up $156,380,191 (+58%) from 2023

Operations

Liabilities / Revenue7th percentile Net Margin97th percentile

Revenue

$167,182,624

Up $160,356,849 (+2349%) from 2023

Expenses

$23,716,710

Up $13,766,058 (+138%) from 2023

Net Income

$143,465,914

Up $146,590,791 (+4691%) from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth97th percentile

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

Latest loaded filing

2024

Assets$424,415,799

Liabilities$0

Net Assets$424,415,799

Open 2024 Filing

Operations Trend

Revenue Growth99th percentile

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

Latest loaded filing

2024

Revenue$167,182,624

Expenses$23,716,710

Net Income$143,465,914

Open 2024 Filing

Filings

Most recent year

2025 • Form 990PFDetailed filing. Detailed filing data is available for this year.

Open filing

Assets: -
Liabilities: -
Net assets: -
Revenue: -
Expenses: -
Net income: -

	Balance Sheet			Operations
Year	Assets	Liabilities	Net Assets	Revenue	Expenses	Net Income
2025Detailed filing. Detailed filing data is available for this year.
2024Detailed filing. Detailed filing data is available for this year.	$424	$0.00	$424	$167	$23.7	$143
2023Detailed filing. Detailed filing data is available for this year.	$268	$0.00	$268	$6.83	$9.95	$3.12
2022Detailed filing. Detailed filing data is available for this year.	$251	$0.00	$251	$5.65	$20.7	$15.1
2021Detailed filing. Detailed filing data is available for this year.	$299	$0.00	$299	$110	$5.98	$104
2020Detailed filing. Detailed filing data is available for this year.	$181	$0.00	$181	$40.4	$6.73	$33.7
2019Detailed filing. Detailed filing data is available for this year.	$136	$0.00	$136	$80.9	$0.20	$80.7

Latest Filing Detail

Jump To

Filing Snapshot

Filing Period: Jan 1, 2025 to Dec 31, 2025
Signed: Feb 12, 2026
Return Version: 2025v4.0

Compensation and Service Providers

Top Officer Pay9th percentile

Employees

Name	Title	Full / Part Time	Base	Other	Total
JOHN LITTLE	President/Director	-	$0	-	-
JEANNE O'KEEFE	Treasurer/Director	-	$0	-	-
THOMAS M SPERA	Clerk	-	$0	-	-
STEVEN DOUGLAS BARBO	Agent	-	$0	-	-
JAMES RIDER	Agent	-	$0	-	-

Grants and Assistance

Foundation Grants and Related Investments

Type	Recipient	Purpose	Status	Location	Amount
Paid Grant	MASSACHUSETTS GENERAL HOSPITAL	EXEMPT PURPOSE	-	BOSTON, MA, US	$20,000,000
Paid Grant	APPALACHIAN MOUNTAIN CLUB (AMC)	EXEMPT PURPOSE	-	BOSTON, MA, US	$9,902,700
Paid Grant	CARE INC (COOPERATIVE FOR ASSISTANCE AND RELIEF EVERYWHERE)	EXEMPT PURPOSE	-	ATLANTA, GA, US	$2,000,000
Paid Grant	KHAN ACADEMY INC	EXEMPT PURPOSE	-	MOUNTAIN VIEW, CA, US	$2,000,000
Paid Grant	I2 LEARNING FOUNDATION INC	EXEMPT PURPOSE	-	BREWSTER, NY, US	$500,000
Paid Grant	FOUNDATION FOR METROWEST	EXEMPT PURPOSE	-	NATICK, MA, US	$300,000
Paid Grant	NATIONAL ARBOR DAY FOUNDATION	EXEMPT PURPOSE	-	LINCOLN, NE, US	$250,000
Paid Grant	UMASS FOUNDATION	EXEMPT PURPOSE	-	NEWTON, MA, US	$250,000
Paid Grant	NEW HAMPSHIRE OUTDOOR COUNCIL	EXEMPT PURPOSE	-	KEARSARGE, NH, US	$175,000

Filing and Contact Details

Filer

Filer Name: Mathworks Foundation Inc
EIN: 83-1665375
Phone: 5086477000
Address: 1 APPLE HILL DRIVE, NATICK, MA 01760

Signing Officer

Name: JEANNE O'KEEFE
Title: Treasurer/director
Phone: 5086477000
Signed: 2026-02-12
Discuss with paid preparer: Yes

Preparer

Firm: Wolf & Company Pc
Address: 255 STATE STREET, BOSTON, MA 02109
Preparer: Karen S Ng
Phone: 6174399700

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IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd	3	MA
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd	4	MA
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd	0	01760
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd	1	01760
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd	2	01760
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd	3	01760
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd	4	01760
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OtherEmployeePaidOver50kCnt	0	0
IRS990PF/Organization501c3ExemptPFInd	0	X
IRS990PF/PFQualifyingDistributionsGrp/ExpensesAndContributionsAmt	0	35387905
IRS990PF/PFQualifyingDistributionsGrp/ProgramRelatedInvstTotalAmt	0	0
IRS990PF/PFQualifyingDistributionsGrp/QualifyingDistributionsAmt	0	35387905
IRS990PF/RlnOfActyToAccomOfExmptPrpsGrp/RlnOfActyToAccomOfExmptPrpsGrp/LineNumberTxt	0	11.A
IRS990PF/RlnOfActyToAccomOfExmptPrpsGrp/RlnOfActyToAccomOfExmptPrpsGrp/RelationshipStatementTxt	0	FEDERAL TAX REFUND
IRS990PF/StatementsRegardingActy4720Grp/BrrwOrLendDisqualifiedPrsnInd	0	0
IRS990PF/StatementsRegardingActy4720Grp/BusinessHoldingsInd	0	0
IRS990PF/StatementsRegardingActy4720Grp/FurnGoodsDisqualifiedPrsnInd	0	0
IRS990PF/StatementsRegardingActy4720Grp/GrantsToIndividualsInd	0	0
IRS990PF/StatementsRegardingActy4720Grp/GrantsToOrganizationsInd	0	0
IRS990PF/StatementsRegardingActy4720Grp/InfluenceElectionInd	0	0
IRS990PF/StatementsRegardingActy4720Grp/InfluenceLegislationInd	0	0
IRS990PF/StatementsRegardingActy4720Grp/JeopardyInvestmentsInd	0	0
IRS990PF/StatementsRegardingActy4720Grp/NoncharitablePurposeInd	0	0
IRS990PF/StatementsRegardingActy4720Grp/PayCompDisqualifiedPrsnInd	0	0
IRS990PF/StatementsRegardingActy4720Grp/PaymentToGovernmentOfficialInd	0	0
IRS990PF/StatementsRegardingActy4720Grp/PayPremiumsPrsnlBnftCntrctInd	0	0
IRS990PF/StatementsRegardingActy4720Grp/ProhibitedTaxShelterTransInd	0	0
IRS990PF/StatementsRegardingActy4720Grp/RcvFndsToPayPrsnlBnftCntrctInd	0	0
IRS990PF/StatementsRegardingActy4720Grp/SaleOrExchDisqualifiedPrsnInd	0	0
IRS990PF/StatementsRegardingActy4720Grp/SubjToTaxRmnrtnExPrchtPymtInd	0	0
IRS990PF/StatementsRegardingActy4720Grp/TransferAstDisqualifiedPrsnInd	0	0
IRS990PF/StatementsRegardingActy4720Grp/UncorrectedPriorActsInd	0	0
IRS990PF/StatementsRegardingActy4720Grp/UncorrectedPYJeopardyInvstInd	0	0
IRS990PF/StatementsRegardingActy4720Grp/UndistributedIncomePYInd	0	0
IRS990PF/StatementsRegardingActyGrp/ActivitiesNotPreviouslyRptInd	0	0
IRS990PF/StatementsRegardingActyGrp/AtLeast5000InAssetsInd	0	1
IRS990PF/StatementsRegardingActyGrp/ChangesToArticlesOrBylawsInd	0	0
IRS990PF/StatementsRegardingActyGrp/ComplyWithPublicInspRqrInd	0	1
IRS990PF/StatementsRegardingActyGrp/DonorAdvisedFundInd	0	0
IRS990PF/StatementsRegardingActyGrp/ForeignAccountsQuestionInd	0	0
IRS990PF/StatementsRegardingActyGrp/Form1120POLFiledInd	0	0
IRS990PF/StatementsRegardingActyGrp/Form990PFFiledWithAttyGenInd	0	1
IRS990PF/StatementsRegardingActyGrp/IndividualWithBooksNm	0	STEVEN DOUGLAS BARBO CO MATHWORKS
IRS990PF/StatementsRegardingActyGrp/LegislativePoliticalActyInd	0	0
IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/AddressLine1Txt	0	1 APPLE HILL DRIVE
IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/CityNm	0	NATICK
IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/StateAbbreviationCd	0	MA
IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/ZIPCd	0	01760
IRS990PF/StatementsRegardingActyGrp/MoreThan100SpentInd	0	0
IRS990PF/StatementsRegardingActyGrp/NewSubstantialContributorsInd	0	0
IRS990PF/StatementsRegardingActyGrp/OrganizationDissolvedEtcInd	0	0
IRS990PF/StatementsRegardingActyGrp/OrgReportOrRegisterStateCd	0	MA
IRS990PF/StatementsRegardingActyGrp/OwnControlledEntityInd	0	0
IRS990PF/StatementsRegardingActyGrp/PhoneNum	0	5086477266
IRS990PF/StatementsRegardingActyGrp/PrivateOperatingFoundationInd	0	0
IRS990PF/StatementsRegardingActyGrp/Section4955ManagersTaxAmt	0	0
IRS990PF/StatementsRegardingActyGrp/Section4955OrganizationTaxAmt	0	0
IRS990PF/StatementsRegardingActyGrp/Section508eRqrSatisfiedInd	0	1
IRS990PF/StatementsRegardingActyGrp/TaxReimbursedAmt	0	0
IRS990PF/StatementsRegardingActyGrp/UnrelatedBusIncmOverLimitInd	0	0
IRS990PF/StatementsRegardingActyGrp/WebsiteAddressTxt	0	N/A
IRS990PF/SumOfProgramRelatedInvstGrp/TotalAmt	0	0
IRS990PF/SupplementaryInformationGrp/GrantOrContriApprvForFutGrp/Amt	0	9000000
IRS990PF/SupplementaryInformationGrp/GrantOrContriApprvForFutGrp/Amt	1	500000
IRS990PF/SupplementaryInformationGrp/GrantOrContriApprvForFutGrp/GrantOrContributionPurposeTxt	0	EXEMPT PURPOSE
IRS990PF/SupplementaryInformationGrp/GrantOrContriApprvForFutGrp/GrantOrContributionPurposeTxt	1	EXEMPT PURPOSE
IRS990PF/SupplementaryInformationGrp/GrantOrContriApprvForFutGrp/RecipientBusinessName/BusinessNameLine1Txt	0	MA AUDUBON SOCIETY
IRS990PF/SupplementaryInformationGrp/GrantOrContriApprvForFutGrp/RecipientBusinessName/BusinessNameLine1Txt	1	NATIONAL ARBOR DAY FOUNDATION
IRS990PF/SupplementaryInformationGrp/GrantOrContriApprvForFutGrp/RecipientFoundationStatusCd	0	PC
IRS990PF/SupplementaryInformationGrp/GrantOrContriApprvForFutGrp/RecipientFoundationStatusCd	1	PC
IRS990PF/SupplementaryInformationGrp/GrantOrContriApprvForFutGrp/RecipientRelationshipTxt	0	NOT RELATED
IRS990PF/SupplementaryInformationGrp/GrantOrContriApprvForFutGrp/RecipientRelationshipTxt	1	NOT RELATED
IRS990PF/SupplementaryInformationGrp/GrantOrContriApprvForFutGrp/RecipientUSAddress/AddressLine1Txt	0	208 S GREAT RD
IRS990PF/SupplementaryInformationGrp/GrantOrContriApprvForFutGrp/RecipientUSAddress/AddressLine1Txt	1	PO BOX 80209
IRS990PF/SupplementaryInformationGrp/GrantOrContriApprvForFutGrp/RecipientUSAddress/CityNm	0	LINCOLN
IRS990PF/SupplementaryInformationGrp/GrantOrContriApprvForFutGrp/RecipientUSAddress/CityNm	1	LINCOLN
IRS990PF/SupplementaryInformationGrp/GrantOrContriApprvForFutGrp/RecipientUSAddress/StateAbbreviationCd	0	MA
IRS990PF/SupplementaryInformationGrp/GrantOrContriApprvForFutGrp/RecipientUSAddress/StateAbbreviationCd	1	NE
IRS990PF/SupplementaryInformationGrp/GrantOrContriApprvForFutGrp/RecipientUSAddress/ZIPCd	0	01773
IRS990PF/SupplementaryInformationGrp/GrantOrContriApprvForFutGrp/RecipientUSAddress/ZIPCd	1	68501
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt	0	9902700
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt	1	2000000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt	2	300000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt	3	500000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt	4	2000000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt	5	20000000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt	6	250000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt	7	175000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt	8	250000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	0	EXEMPT PURPOSE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	1	EXEMPT PURPOSE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	2	EXEMPT PURPOSE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	3	EXEMPT PURPOSE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	4	EXEMPT PURPOSE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	5	EXEMPT PURPOSE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	6	EXEMPT PURPOSE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	7	EXEMPT PURPOSE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	8	EXEMPT PURPOSE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	0	APPALACHIAN MOUNTAIN CLUB (AMC)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	1	CARE INC (COOPERATIVE FOR ASSISTANCE AND RELIEF EVERYWHERE)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	2	FOUNDATION FOR METROWEST
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	3	I2 LEARNING FOUNDATION INC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	4	KHAN ACADEMY INC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	5	MASSACHUSETTS GENERAL HOSPITAL
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	6	NATIONAL ARBOR DAY FOUNDATION
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	7	NEW HAMPSHIRE OUTDOOR COUNCIL
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	8	UMASS FOUNDATION
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusCd	0	PC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusCd	1	PC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusCd	2	PC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusCd	3	PC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusCd	4	PC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusCd	5	PC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusCd	6	PC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusCd	7	PC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusCd	8	PC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt	0	NOT RELATED
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt	1	NOT RELATED
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt	2	NOT RELATED
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt	3	NOT RELATED
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt	4	NOT RELATED
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt	5	NOT RELATED
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt	6	NOT RELATED
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt	7	NOT RELATED
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt	8	NOT RELATED
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	0	10 CITY SQUARE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	1	151 ELLIS STREET
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	2	3 ELLIOT STREET
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	3	76 DINGLE ROAD
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	4	PO BOX 1630
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	5	125 NASHUA ST
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	6	PO BOX 80208
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	7	PO BOX 157
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	8	100 CARLSON AVE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	0	BOSTON
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	1	ATLANTA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	2	NATICK
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	3	BREWSTER
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	4	MOUNTAIN VIEW
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	5	BOSTON
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	6	LINCOLN
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	7	KEARSARGE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	8	NEWTON
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	0	MA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	1	GA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	2	MA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	3	NY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	4	CA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	5	MA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	6	NE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	7	NH
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	8	MA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	0	02129
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	1	30303
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	2	01760
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	3	10509
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	4	95134
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	5	02114
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	6	68501
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	7	03847
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	8	02459
IRS990PF/SupplementaryInformationGrp/OnlyContriToPreselectedInd	0	X
IRS990PF/SupplementaryInformationGrp/TotalGrantOrContriApprvFutAmt	0	9500000
IRS990PF/SupplementaryInformationGrp/TotalGrantOrContriPdDurYrAmt	0	35377700
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/LoansOrLoanGuaranteesInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/PerformanceOfServicesEtcInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/PurchaseOfAssetsNonchrtblEOInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/ReimbursementArrangementsInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/RelationshipsNonchrtblEOInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/RentalOfFacilitiesOthAssetsInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/SalesOrExchangesOfAssetsInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/SharingOfFacilitiesEtcInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/TrnsfrOfCashToNonchrtblEOInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/TrnsfrOtherAssetNonchrtblEOInd	0	0
IRS990PF/UndistributedIncomeGrp/AppliedToCurrentYearAmt	0	20712622
IRS990PF/UndistributedIncomeGrp/AppliedToPriorYearsAmt	0	0
IRS990PF/UndistributedIncomeGrp/AppliedToYear1Amt	0	0
IRS990PF/UndistributedIncomeGrp/CorpusDistri170b1EOr4942g3Amt	0	0
IRS990PF/UndistributedIncomeGrp/DistributableAsAdjustedAmt	0	20712622
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovAppCYAmt	0	0
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr1Amt	0	4506955
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovAppCYCorpusAmt	0	0
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovFromYr5Amt	0	0
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovToNextYrAmt	0	19182238
IRS990PF/UndistributedIncomeGrp/ExcessFromCurrentYearAmt	0	14675283
IRS990PF/UndistributedIncomeGrp/ExcessFromYear1Amt	0	4506955
IRS990PF/UndistributedIncomeGrp/PriorYearDeficiencyOrTaxAmt	0	0
IRS990PF/UndistributedIncomeGrp/PriorYearUndistributedIncmAmt	0	0
IRS990PF/UndistributedIncomeGrp/QualifyingDistributionsAmt	0	35387905
IRS990PF/UndistributedIncomeGrp/RemainingDistriFromCorpusAmt	0	14675283
IRS990PF/UndistributedIncomeGrp/Taxable1Amt	0	0
IRS990PF/UndistributedIncomeGrp/Taxable2Amt	0	0
IRS990PF/UndistributedIncomeGrp/TotalCorpusAmt	0	19182238
IRS990PF/UndistributedIncomeGrp/TotalExcessDistributionCyovAmt	0	4506955
IRS990PF/UndistributedIncomeGrp/TotalForPriorYearsAmt	0	0
IRS990PF/UndistributedIncomeGrp/TreatedAsDistriFromCorpusAmt	0	0
IRS990PF/UndistributedIncomeGrp/UndistributedIncomeCYAmt	0	0
IRS990PF/UndistributedIncomeGrp/UndistributedIncomePYAmt	0	0
LegalFeesSchedule/LegalFeesGrp/CategoryTxt	0	ROPES AND GRAY
LegalFeesSchedule/LegalFeesGrp/DisbursementsCharitablePrpsAmt	0	1275
LegalFeesSchedule/LegalFeesGrp/LegalFeesAmt	0	1275
LegalFeesSchedule/LegalFeesGrp/NetInvestmentIncomeAmt	0	0
OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc	0	MA ATTORNEY GENERAL FILING FEE
OtherExpensesSchedule/OtherExpensesScheduleGrp/DisbursementsCharitablePrpsAmt	0	2000
OtherExpensesSchedule/OtherExpensesScheduleGrp/NetInvestmentIncomeAmt	0	0
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt	0	2000
OtherIncomeSchedule2/OtherIncomeDetail/AdjustedNetIncomeAmt	0	2304
OtherIncomeSchedule2/OtherIncomeDetail/Desc	0	FEDERAL TAX REFUND
OtherIncomeSchedule2/OtherIncomeDetail/RevenueAndExpensesPerBooksAmt	0	2304
OtherIncreasesSchedule/OtherIncreasesDetail/Amt	0	17611002
OtherIncreasesSchedule/OtherIncreasesDetail/Desc	0	UNREALIZED GAIN/LOSS
TaxesSchedule/TaxesDetail/Amt	0	550000
TaxesSchedule/TaxesDetail/CategoryTxt	0	ESTIMATED TAX PAYMENTS
TaxesSchedule/TaxesDetail/DisbursementsCharitablePrpsAmt	0	0

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