The Poss Family Foundation

Private foundation · Grantmaker Brookline, MA EIN: 04-3412829

The Poss Family Foundation is a private foundation, based in Brookline, MA. IRS filing data is available from 2020 through 2025. In 2025, it awarded 6 grants totaling $2.0M. Net investment income was $134K.

The Poss Family Foundation at a glance

In short: The Poss Family Foundation gave $2.0M across 6 grants in 2025 (avg $341K), mostly in New York. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$2,044,148
+436.1% vs 2024
Grants made (2025)
6
+50.0% vs 2024
Average grant
$340,691
+257.4% vs 2024
Median grant
$68,980
Primary geography
New York (78% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

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

Who The Poss Family Foundation funds

How this funder distributes its grants

Top Recipients

Top 3 recipients in 2025

Morgan Stanley Global Impact: $1.5M across 3 grantsMorgan Stanley Global Impact$1.5M · 3 grantsCenter for Arts - Design and: $450KCenter for Arts - Design and$450KNew York Live Arts: $125K across 2 grantsNew York Live Arts$125K · 2 grants

The largest 2025 recipient was Morgan Stanley Global Impact ($1.5M across 3 grants). Together the top 3 received $2.0M.

Grant Size Distribution

34 grants across all recorded years

12<$50K1$50–100K9$100–250K6$250–500K5$500K–1M1$1–5M$5M+

The most common grant size was under $50K: 12 grants of 34 (35%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

7states

Share of 2025 grant dollars across all 6 itemized grants.

Cities

New YorkBostonWaylandBrooklynCambridgeHallidayPortlandBozemanCallawayChilmarkOak BluffsSan FranciscoVineyard Haven

How The Poss Family Foundation gives

  • Giving held roughly steady from 2022 to 2025 (−11%). Method
  • In 2025 it paid out well above its IRS minimum distribution (the 5% rule). Method

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

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$1M$2M$3M$4M12 grants2020 9 grants2021 12 grants2022 3 grants2023 4 grants2024 6 grants2025

From 2020 to 2025, annual grant giving ranged from $381K (2024) to $3.0M (2020). In 2025 it made 6 grants totaling $2.0M.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Morgan Stanley Global Impact New York, NYPromote Charitable Purpose$1,429,998
Center for Arts - Design and Wayland, MAPromote Charitable Purpose$450,000
New York Live Arts New York, NYPromote Charitable Purpose$100,000
Morgan Stanley Global Impact New York, NYPromote Charitable Purpose$37,959
New York Live Arts New York, NYPromote Charitable Purpose$25,000
Morgan Stanley Global Impact New York, NYPromote Charitable Purpose$1,191
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025—$161,901$2,187,165$2,044,1486$2,044,148$133,855$72,049
2024$919,465$18,158$433,244$381,3154$381,315$28,962$105,331
2023$1,344,869$58$523,982$510,0003$510,000$16,526$104,112
2022$1,869,342$666,657$2,371,816$2,308,50012$2,308,500$614,841$139,411
2021$3,562,868$1,512,475$2,677,578$2,645,0009$2,645,000$1,473,397$274,492
2020$4,730,184$3,819,026$3,068,404$3,018,93012—$2,125,996$326,516

Under IRS private-foundation payout rules, The Poss Family Foundation reported a distributable amount of $72K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

The Poss Family Foundation is led by Ellen M. Poss, Trustee on every filing since 2020 — the only officer listed, and uncompensated.

Officers on the 2025 filing

  • Ellen M. Poss

    Trustee

    On filings since 2020

    No compensation reported

Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Frequently asked questions about The Poss Family Foundation

How much does The Poss Family Foundation give each year?

The Poss Family Foundation gave $2.0M across 6 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $381K across 4 grants.

What is The Poss Family Foundation's typical grant size?

The Poss Family Foundation's median grant in 2025 was $68,980, and its average grant was $340,691, across 6 grants on its 2025 IRS Form 990-PF.

Where does The Poss Family Foundation give grants?

The Poss Family Foundation gives mostly in New York: 78% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Massachusetts (22%). The most frequent recipient cities were New York, NY (5 grants).

Who are The Poss Family Foundation's largest grantees?

The Poss Family Foundation's largest 2025 grantees include Morgan Stanley Global Impact ($1,469,148 across 3 grants), Center for Arts - Design and ($450,000) and New York Live Arts ($125,000 across 2 grants), according to its 2025 IRS Form 990-PF.

How much is The Poss Family Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2025, The Poss Family Foundation reported a distributable amount of $72K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is The Poss Family Foundation's EIN?

The Poss Family Foundation's EIN (Employer Identification Number) is 04-3412829. IRS Form 990 filing data is available on this page for 2020–2025.

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

Data update history

(2)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2025 (received by the IRS June 2, 2026)
  2. IRS filings on file for fiscal years 2020–2024

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from The Poss Family Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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