Ironwood Foundation

EIN 81-0875655 • Groton, MA

60 Orchard LaneGroton, MA 01450

Siviq Scores

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

0.11x

Higher debt load relative to assets than 81% of similar nonprofits.

<$500k nonprofits • Source year 2024

1418.00x

Higher debt load relative to revenue than 100% of similar nonprofits.

<$500k nonprofits • Source year 2024

-803680%

Higher net margin than 1% of similar nonprofits.

<$500k nonprofits • Source year 2024

Higher top officer pay than 81% of similar nonprofits.

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

<$500k nonprofits • Source year 2024

-36%

Faster asset growth than 24% of similar nonprofits.

<$500k nonprofits • Annualized from 2023 to 2024

233%

Faster revenue growth than 95% of similar nonprofits.

<$500k nonprofits • Annualized from 2023 to 2024

Balance Sheet

Liabilities / Assets81st percentile

Assets

Down

$132,786

Down $73,428 (-36%) from 2023

Liabilities

$14,180

Up $6,940 (+96%) from 2023

Net Assets

Down

$118,606

Down $80,368 (-40%) from 2023

Operations

Liabilities / Revenue100th percentile Net Margin1st percentile

Revenue

$10

Up $7 (+233%) from 2023

Expenses

Down

$80,378

Down $247,840 (-76%) from 2023

Net Income

-$80,368

Up $247,847 (+76%) from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth24th percentile

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

Highlighted filing

2024

Assets$132,786

Liabilities$14,180

Net Assets$118,606

Open 2024 Filing

Operations Trend

Revenue Growth95th percentile

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

Highlighted filing

2024

Revenue$10

Expenses$80,378

Net Income-$80,368

Open 2024 Filing

Filings

Most recent year

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

Open filing

Assets: $132,786
Liabilities: $14,180
Net assets: $118,606
Revenue: $10
Expenses: $80,378
Net income: -$80,368

	Balance Sheet			Operations
Year	Assets	Liabilities	Net Assets	Revenue	Expenses	Net Income
2024Detailed filing. Detailed filing data is available for this year.	$1.33	$0.14	$1.19	$0.00	$0.80	$0.80
2023Detailed filing. Detailed filing data is available for this year.	$2.06	$0.07	$1.99	$0.00	$3.28	$3.28
2022Detailed filing. Detailed filing data is available for this year.	$5.35	$0.08	$5.27	$0.00	$1.70	$1.70
2021Detailed filing. Detailed filing data is available for this year.	$6.98	$0.01	$6.97	$1.25	$1.30	$0.05
2020Detailed filing. Detailed filing data is available for this year.	$7.10	$0.08	$7.02	$2.50	$0.25	$2.25
2019Detailed filing. Detailed filing data is available for this year.	$4.77	$0.00	$4.77	$0.00	$0.29	$0.29
2018Detailed filing. Detailed filing data is available for this year.	$5.07	$0.01	$5.06	$1.30	$0.42	$0.88
2017Detailed filing. Detailed filing data is available for this year.	$4.19	$0.00	$4.18	$1.50	$0.14	$1.36
2016Detailed filing. Detailed filing data is available for this year.	$2.91	$0.09	$2.83	$1.00	$0.61	$0.39
2015Summary only. Only limited summary data is available for this year.	$2.64	$0.20		$2.50	$0.06	$2.44

Latest Filing Detail

Jump To

Filing Snapshot

Filing Period: Jan 1, 2024 to Dec 31, 2024
Signed: Nov 8, 2025
Return Version: 2024v5.2

Compensation and Service Providers

Top Officer Pay81st percentile

Employees

Name	Title	Full / Part Time	Base	Other	Total
JOHN J GUINEE	Trustee	-	$0	-	-
GREGORY M GUINEE	Trustee	-	$0	-	-

Filing and Contact Details

Filer

Filer Name: Ironwood Foundation
EIN: 81-0875655
Phone: 5086509600
Address: 60 ORCHARD LANE, GROTON, MA 01450

Signing Officer

Name: John J Guinee
Title: Trustee
Phone: 5086509600
Signed: 2025-11-08
Discuss with paid preparer: Yes

Preparer

Firm: Richardson & Associates Inc
Address: 21 ELIOT STREET, NATICK, MA 01760
Preparer: Mark L Richardson
Phone: 5086509600

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IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	6	SUPPORT THE SCHOOL INTEACHING A RIGOROUS COURSEOF PRE-LIBERAL ARTS DISCIPLINES.
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	7	SUPPORT COLLEGE IN PROVIDINGA CLASSICAL LIBERAL ARTS EDUCATIONIN THE CLASSICAL CATHOLIC FAITH
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	0	MASSACHUSETTS FAMILY INSTITUTE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	1	PARENTS EDUCATION FOUNDATION
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	2	ROMAN CATHOLIC ARCHDIOCESE OF BOSTON
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	3	SHRINE OF OUR LADY OF QUADALUPE INC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	4	ST ADELAIDE'S PARISH
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	5	THOMAS AQUINAS COLLEGE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	6	TRIVIUM SCHOOL
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	7	CARDINAL KUNG ACADEMY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt	0	PC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt	1	PC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt	2	PC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt	3	PC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt	4	PC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt	5	PC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt	6	PC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt	7	PC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	0	401 EDGEWATER PLACE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	1	PO BOX 1612
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	2	66 BROOKS DRIVE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	3	PO BOX 1237
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	4	712 LOWELL STREET
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	5	10000 OJAI ROAD
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	6	471 LANGEN ROAD
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	7	948 NEWFIELD AVENUE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	0	WAKEFIELD
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	1	WALTHAM
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	2	BRAINTREE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	3	LACROSSE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	4	PEABODY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	5	SANTA PAULA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	6	LANCASTER
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	7	STAMFORD
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	0	MA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	1	MA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	2	MA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	3	WI
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	4	MA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	5	CA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	6	MA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	7	CT
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	0	01880
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	1	02454
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	2	02184
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	3	54602
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	4	01960
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	5	93060
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	6	01523
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	7	06905
IRS990PF/SupplementaryInformationGrp/OnlyContriToPreselectedInd	0	X
IRS990PF/SupplementaryInformationGrp/ShareholderManagerNm	0	NONE
IRS990PF/SupplementaryInformationGrp/TotalGrantOrContriApprvFutAmt	0	0
IRS990PF/SupplementaryInformationGrp/TotalGrantOrContriPdDurYrAmt	0	72500
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	8719
IRS990PF/UndistributedIncomeGrp/AppliedToPriorYearsAmt	0	0
IRS990PF/UndistributedIncomeGrp/AppliedToYear1Amt	0	0
IRS990PF/UndistributedIncomeGrp/CorpusDistri170b1EOr4942g3Amt	0	0
IRS990PF/UndistributedIncomeGrp/DistributableAsAdjustedAmt	0	8719
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovAppCYAmt	0	0
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr1Amt	0	305151
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr2Amt	0	128788
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr3Amt	0	89541
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr4Amt	0	0
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr5Amt	0	0
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovAppCYCorpusAmt	0	0
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovFromYr5Amt	0	0
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovToNextYrAmt	0	587261
IRS990PF/UndistributedIncomeGrp/ExcessFromCurrentYearAmt	0	63781
IRS990PF/UndistributedIncomeGrp/ExcessFromYear1Amt	0	305151
IRS990PF/UndistributedIncomeGrp/ExcessFromYear2Amt	0	128788
IRS990PF/UndistributedIncomeGrp/ExcessFromYear3Amt	0	89541
IRS990PF/UndistributedIncomeGrp/ExcessFromYear4Amt	0	0
IRS990PF/UndistributedIncomeGrp/PriorYearDeficiencyOrTaxAmt	0	0
IRS990PF/UndistributedIncomeGrp/PriorYearUndistributedIncmAmt	0	0
IRS990PF/UndistributedIncomeGrp/QualifyingDistributionsAmt	0	72500
IRS990PF/UndistributedIncomeGrp/RemainingDistriFromCorpusAmt	0	63781
IRS990PF/UndistributedIncomeGrp/Taxable1Amt	0	0
IRS990PF/UndistributedIncomeGrp/Taxable2Amt	0	0
IRS990PF/UndistributedIncomeGrp/TotalCorpusAmt	0	587261
IRS990PF/UndistributedIncomeGrp/TotalExcessDistributionCyovAmt	0	523480
IRS990PF/UndistributedIncomeGrp/TreatedAsDistriFromCorpusAmt	0	0
IRS990PF/UndistributedIncomeGrp/UndistributedIncomeCYAmt	0	0
IRS990PF/UndistributedIncomeGrp/UndistributedIncomePYAmt	0	0
LegalFeesSchedule/LegalFeesGrp/CategoryTxt	0	TAYLOR, GANSON & PERRIN LLP LEGAL SERVICES
LegalFeesSchedule/LegalFeesGrp/LegalFeesAmt	0	0
OtherAssetsSchedule/OtherAssetsScheduleGrp/BOYBookValueAmt	0	6481
OtherAssetsSchedule/OtherAssetsScheduleGrp/Desc	0	ORGANIZATIONAL COSTS, NET OF ACCUMULATED AMORTIZATION
OtherAssetsSchedule/OtherAssetsScheduleGrp/EOYBookValueAmt	0	5543
OtherAssetsSchedule/OtherAssetsScheduleGrp/EOYFMVAmt	0	0
OtherDecreasesSchedule/OtherDecreasesDetail/Amt	0	0
OtherDecreasesSchedule/OtherDecreasesDetail/Desc	0	ROUNDING ADJUSTMENT
OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc	0	BANK FEES
OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc	1	FILING FEES
OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc	2	Amortization
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt	0	0
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt	1	0
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt	2	938
TaxesSchedule/TaxesDetail/Amt	0	0
TaxesSchedule/TaxesDetail/CategoryTxt	0	SECTION 4940 EXCISE TAX
ReturnHeader/BuildTS	0	2025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd	0	true
ReturnHeader/BusinessOfficerGrp/PersonNm	0	JOHN J GUINEE
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt	0	TRUSTEE
ReturnHeader/BusinessOfficerGrp/PhoneNum	0	5086509600
ReturnHeader/BusinessOfficerGrp/SignatureDt	0	2025-11-08
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt	0	IRONWOOD FOUNDATION
ReturnHeader/Filer/BusinessNameControlTxt	0	IRON
ReturnHeader/Filer/EIN	0	810875655
ReturnHeader/Filer/PhoneNum	0	5086509600
ReturnHeader/Filer/USAddress/AddressLine1Txt	0	60 ORCHARD LANE
ReturnHeader/Filer/USAddress/CityNm	0	GROTON
ReturnHeader/Filer/USAddress/StateAbbreviationCd	0	MA
ReturnHeader/Filer/USAddress/ZIPCd	0	01450
ReturnHeader/IRSResponsiblePrtyInfoCurrInd	0	true
ReturnHeader/PreparerFirmGrp/PreparerFirmEIN	0	201920231
ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt	0	RICHARDSON & ASSOCIATES INC
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt	0	21 ELIOT STREET
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm	0	NATICK
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd	0	MA
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd	0	01760
ReturnHeader/PreparerPersonGrp/PhoneNum	0	5086509600
ReturnHeader/PreparerPersonGrp/PreparationDt	0	2025-11-08
ReturnHeader/PreparerPersonGrp/PreparerPersonNm	0	MARK L RICHARDSON
ReturnHeader/ReturnTs	0	2025-11-08T15:35:24-08:00
ReturnHeader/ReturnTypeCd	0	990PF
ReturnHeader/TaxPeriodBeginDt	0	2024-01-01
ReturnHeader/TaxPeriodEndDt	0	2024-12-31
ReturnHeader/TaxYr	0	2024

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