Private Foundation

The Arnold Garrison Foundation

The Arnold Garrison Foundation is a Private Foundation headquartered in Boston, MA. Financial data from the 2025 filing: $136K revenue, $168K expenses, $5.1M total assets. IRS filings disclose 32 grants awarded by this foundation, totaling roughly $820K.

EIN: 043216929 Boston, MA Latest filing: 2025

Total Revenue$136K

Total Expenses$168K

Total Assets$5.1M

Grants Given32

Grant Total$820K

Filing Years2021–2025

Sample Grants Given

John & Anna Newton Porter Foundation

Alton Bay, NH · 2024

General Purpose

$100,000

Pan Massachusetts Challenge Trust

Needham Heights, MA · 2024

General Purpose

$35,000

Massachusetts General Hospital

Somerville, MA · 2023

General Purpose

$50,000

Pan Massachusetts Challenge Trust

Needham Heights, MA · 2023

General Purpose

$25,000

Boston Children's Hospital (aka Children's Hospital Corporation)

Boston, MA · 2023

General Purpose

$15,000

Showing up to 5 of 32 total records — full history available with membership.

Officers & Directors

Trustee Kristin Abati

Trustee Timothy P Garrison

Officer compensation and complete director data available with membership.

Top Grant Purposes

General Purpose

$820,000 32 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$136K	$168K	$5.1M
2024	$141K	$170K	$4.8M
2023	$112K	$28K	$4.4M
2022	$60K	$136K	$3.7M
2021	$354K	$237K	$4.3M

Between 2021 and 2025, reported annual revenue declined from $354K to $136K (-62%), with total assets most recently reported at $5.1M.

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in MA, NH, NY, TX, VT.

MANHNYTXVT

Full geographic grant map with state-by-state breakdown available with membership.

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