Private Foundation

THE POSS FAMILY FOUNDATION C/O DR ELLEN M POSS

Based in BROOKLINE, MA, THE POSS FAMILY FOUNDATION C/O DR ELLEN M POSS operates as a Private Foundation. The organization reported $162K in revenue, $2.2M in expenses for fiscal year 2025. Imperigo tracks 46 reported grants from this foundation totaling approximately $10.9M.

EIN: 043412829 BROOKLINE, MA Latest filing: 2025

Total Revenue$162K

Total Expenses$2.2M

Grants Given46

Grant Total$10.9M

Filing Years2021–2025

Sample Grants Given

MORGAN STANLEY GLOBAL IMPACT

NEW YORK, NY · 2025

PROMOTE CHARITABLE PURPOSE

$1,429,998

CENTER FOR ARTS - DESIGN AND

WAYLAND, MA · 2025

PROMOTE CHARITABLE PURPOSE

$450,000

NEW YORK LIVE ARTS

NEW YORK, NY · 2025

PROMOTE CHARITABLE PURPOSE

$100,000

MORGAN STANLEY GLOBAL IMPACT

NEW YORK, NY · 2025

PROMOTE CHARITABLE PURPOSE

$37,959

NEW YORK LIVE ARTS

NEW YORK, NY · 2025

PROMOTE CHARITABLE PURPOSE

$25,000

Showing up to 5 of 46 total records — full history available with membership.

Officers & Directors

TRUSTEE Dr Ellen M Poss

Officer compensation and complete director data available with membership.

Top Grant Purposes

TO PROMOTE ITS CHARITABLE PURPOSE

$8,442,430 34 grants

PROMOTE CHARITABLE PURPOSE

$2,425,463 10 grants

TO PROMOTE ITS CHARITABLE PURPOSE.

$40,000 2 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$162K	$2.2M	—
2024	$18K	$433K	$919K
2023	$58	$524K	$1.3M
2022	$667K	$2.4M	$1.9M
2021	$1.5M	$2.7M	$3.6M

Between 2021 and 2025, reported annual revenue declined from $1.5M to $162K (-89%).

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

Grant Geography

Grants from this foundation were reported to recipients in CA, MA, MN, MT, ND, NY, and 1 other state.

CAMAMNMTNDNYOR

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

See the full picture for THE POSS FAMILY FOUNDATION C/O DR ELLEN M POSS

Complete financials, all 46 grant records, officer compensation, year-over-year trend charts, a geographic grant map, and data exports — across 498,000+ organizations.

Full Financial History Complete Grant Activity Officer Compensation Year-over-Year Charts Geographic Grant Map Data Exports