The Arnold Garrison Foundation

Foundation · Grantmaker Boston, MA EIN: 04-3216929

The Arnold Garrison Foundation is a private foundation, based in Boston, MA. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $5.1M in total assets. In 2025, it awarded 2 grants totaling $135K. Net investment income was $112K.

Key facts about The Arnold Garrison Foundation

EIN
04-3216929
Latest 990 filing
Form 990-PF, 2025
Annual giving (2025)
$135,000
Grants made (2025)
2
Average grant
$67,500
Median grant
$67,500
Total assets
$5,117,742
Primary geography
New Hampshire (74% of itemized 2025 grant dollars)

Data from IRS Form 990-PF, 2025; updated September 2026.

How The Arnold Garrison Foundation gives

  • Giving grew 29% from 2022 to 2025. Method
  • In 2025 it paid out 62% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

From the foundation's IRS Form 990-PF filings. Methodology.

Next steps with The Arnold Garrison Foundation

Financial Overview

From 2025 IRS Form 990-PF · View filing

Total Assets

$5.1M

+5.7% YoY

Annual Giving

$135K

-3.6% YoY

Grant Count

2

-75.0% YoY

Avg Grant Size

$68K

+285.7% YoY

Under IRS private-foundation payout rules, The Arnold Garrison Foundation reported a distributable amount of $233K for 2025 — the minimum it must pay out in qualifying distributions.

About The Arnold Garrison Foundation

Based on IRS filings

The Arnold Garrison Foundation is a private foundation, based in Boston, MA. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $5.1M in total assets. In 2025, it awarded 2 grants totaling $135K. Net investment income was $112K.

Your AI grants department

Ready to take the next step with The Arnold Garrison Foundation?

Fully replaces Grant database subscriptions Instrumentl · Foundation Directory · GrantStation & similar

Geographic Focus

Where this funder awards grants

Grant Distribution by State

5states

Share of all 2 itemized 2025 grant dollars.

Cities

BostonNeedham HeightsAlton BaySan AntonioConwayMedfieldRindgeDudleyPutneySomervilleSouth Wales

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$97K$195K$292K$389K20212022202320242025
Metric202520242023
Total Assets$5,117,742$4,842,891$4,430,908
Revenue$135,511$141,428$112,251
Expenses$168,436$170,011$27,662
Qualifying Distributions$143,757$147,968$7,404
Net Investment Income$111,500$119,385$92,003
Distributable Amount$232,589$212,923$199,679

Data update history

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2021–2025

Giving Over Time

Total grant dollars and number of grants per year

$0$50K$100K$150K$200K11 grants20217 grants20220 grants20238 grants20242 grants2025

Grant Insights

How this funder distributes its grants

Top Recipients

Top 2 recipients in 2025

John & Anna Newton Porter Foundation: $100KJohn & Anna Newton PorterFoundation$100KPan Massachusetts Challenge Trust: $35KPan Massachusetts ChallengeTrust$35K

Grant Size Distribution

28 grants across all recorded years

23<$50K4$50–100K1$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2025 grants, the largest recipients include John & Anna Newton Porter Foundation ($100,000), Pan Massachusetts Challenge Trust ($35,000).

RecipientPurposeAmount
John & Anna Newton Porter Foundation Alton Bay, NHGeneral Purpose$100,000
Pan Massachusetts Challenge Trust Needham Heights, MAGeneral Purpose$35,000

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

No officer or director reported compensation in the available filings.

From 2025 IRS filing

NameTitleHoursCompensation
Kristin AbatiTrustee1—
Timothy P GarrisonTrustee1—

Frequently Asked Questions

How large is The Arnold Garrison Foundation?

As of 2025, The Arnold Garrison Foundation holds $5.1M in total assets with $136K in annual revenue. It awarded 2 grants totaling $135K in 2025.

Where does The Arnold Garrison Foundation operate?

The Arnold Garrison Foundation has awarded grants in Massachusetts, New Hampshire, New York, Texas, Vermont.

What size grants does The Arnold Garrison Foundation award?

In 2025, The Arnold Garrison Foundation awarded 2 grants totaling $135K — an average of about $68K per grant, based on its IRS Form 990 filings.

How much is The Arnold Garrison Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2025, The Arnold Garrison Foundation reported a distributable amount of $233K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is The Arnold Garrison Foundation's EIN?

The Arnold Garrison Foundation's EIN (Employer Identification Number) is 04-3216929. IRS Form 990 filing data is available on this page for 2021–2025.

Explore Open Grants

Browse active grant opportunities in The Arnold Garrison Foundation's focus areas in our free grants database

Similar Funders

Funders that support many of the same organizations

More Funders in Massachusetts

Data last updated September 2026. Sourced from IRS Form 990-PF filings.

Your AI grants department

Here's the math on researching The Arnold Garrison Foundation by hand.