Aronson Family Foundation
Aronson Family Foundation is a private foundation, based in Westport, CT. IRS filing data is available from 2020 through 2024. In 2024, it awarded 2 grants totaling $11.1M. Net investment income was $520K.
Aronson Family Foundation at a glance
In short: Aronson Family Foundation gave $11.1M across 2 grants in 2024 (avg $5.5M), mostly in New York. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $11,087,805
- +3209.8% vs 2023
- Grants made (2024)
- 2
- +100.0% vs 2023
- Average grant
- $5,543,903
- +1554.9% vs 2023
- Median grant
- $5,543,903
- Primary geography
- New York (97% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated September 2026.
Who Aronson Family Foundation funds
How this funder distributes its grants
Top Recipients
Top recipient in 2024
The largest 2024 recipient was Ms Global Impact Funding Trust ($10.8M).
Grant Size Distribution
7 grants across all recorded years
The most common grant size was in the $250–500K range: 3 grants of 7 (43%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2024 grant dollars across all 2 itemized grants.
States
Cities
How Aronson Family Foundation gives
- Giving grew 1667% from 2021 to 2024. Method
- In 2024 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
From 2020 to 2024, annual grant giving ranged from $335K (2023) to $11.1M (2024). In 2024 it made 2 grants totaling $11.1M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Ms Global Impact Funding Trust Purchase, NY | To make distributions to public charities under irc section 509(a)(1) & (2) for charitable purposes aligned to the mission of the aronson family foundation. | $10,758,805 |
| See Statement a Westport, CT | See Statement a | $329,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2024 | — | $594,156 | $11,202,972 | $11,087,805 | 2 | $11,128,641 | $519,825 | $467,970 |
| 2023 | $10,608,816 | $160,168 | $400,539 | $335,000 | 1 | $341,441 | $384,582 | $479,221 |
| 2022 | $10,849,187 | $2,477,708 | $840,271 | $675,783 | 1 | $724,653 | $2,399,832 | $502,961 |
| 2021 | $7,149,037 | $1,411,498 | $814,131 | $627,500 | 1 | $703,615 | $1,315,982 | $540,926 |
| 2020 | $6,551,670 | $161,543 | $699,226 | $496,500 | 2 | — | $71,005 | $545,066 |
Under IRS private-foundation payout rules, Aronson Family Foundation reported a distributable amount of $468K for 2024 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Aronson Family Foundation's 2024 filing lists 4 officers; none of the 4 officers listed in 2024 report compensation.
Officers on the 2024 filing
Henry W. Berinstein
Trustee
On filings since 2020
15 hrs/week
$48K (2020) → $0 (2024)
Joan Poster
Trustee
On filings since 2020
15 hrs/week
No compensation reported
Cynthia Poster Eigen
Trustee
On filings since 2022
10 hrs/week
No compensation reported
Meredith Poster
Trustee
On filings since 2022
10 hrs/week
No compensation reported
Former officers (2)
- Former: Dennis B. Poster- Dec (2022) — Trustee
- Former: Dennis B. Poster (2020–2021) — Trustee
Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2022 IRS filing
The highest reported compensation on the 2022 filing was $48K, to Dennis B Poster- Dec 62022 (Trustee). 2 officers or directors reported compensation on that filing.
Frequently asked questions about Aronson Family Foundation
How much does Aronson Family Foundation give each year?
Aronson Family Foundation gave $11.1M across 2 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $335K across 1 grant.
Where does Aronson Family Foundation operate?
Aronson Family Foundation has awarded grants in Connecticut, New York.
How much is Aronson Family Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, Aronson Family Foundation reported a distributable amount of $468K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Aronson Family Foundation's EIN?
Aronson Family Foundation's EIN (Employer Identification Number) is 13-3693381. IRS Form 990 filing data is available on this page for 2020–2024.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
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