Jack Silberberg Foundation
Jack Silberberg Foundation is a private foundation, based in New Haven, CT. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $520K in total assets. In 2025, it awarded 8 grants totaling $35K. Net investment income was $47K.
Jack Silberberg Foundation at a glance
In short: Jack Silberberg Foundation gave $35K across 8 grants in 2025 (avg $4K), mostly in Connecticut. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $34,500
- -30.3% vs 2024
- Grants made (2025)
- 8
- -33.3% vs 2024
- Average grant
- $4,313
- +4.5% vs 2024
- Median grant
- $1,650
- Total assets
- $520,072
- +1.9% vs 2024
- Primary geography
- Connecticut (69% 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 Jack Silberberg Foundation funds
How this funder distributes its grants
Top Recipients
Top 8 recipients in 2025
The largest 2025 recipient was Jewish Federation of Greater New Haven ($20K). Together the top 8 received $35K.
Grant Size Distribution
55 grants across all recorded years
The most common grant size was under $50K: 55 grants of 55 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 8 itemized grants.
Cities
How Jack Silberberg Foundation gives
- Giving held roughly steady from 2022 to 2025 (−15%). 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.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $35K (2021) to $74K (2023). In 2025 it made 8 grants totaling $35K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Jewish Federation of Greater New Haven Woodbridge, CT | To Further Charitable Purpose - Religious Charity | $20,000 |
| Temple Sinai of Bergen County Tenafly, NJ | To Further Charitable Purpose - Religious Charity | $4,000 |
| Congregation Mishkan Israel Hamden, CT | To Further Charitable Purpose - Religious Charity | $3,700 |
| Sutton Place Synagogue New York, NY | To Further Charitable Purpose - Religious Charity | $1,800 |
| Lafayette College Easton, PA | To Further Charitable Purpose - Educational | $1,500 |
| Leukemia & Lymphoma Society New York, NY | To Further Charitable Purpose - Medical | $1,500 |
| PS 267 PTA New York, NY | To Further Charitable Purpose - Educational | $1,000 |
| American Cancer Society New York, NY | To further charitable purpose - funding lifesaving research, treatment and care for someone fighting cancer | $1,000 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $520,072 | $55,856 | $46,117 | $34,500 | 8 | $34,500 | $46,689 | $55,845 |
| 2024 | $510,331 | $40,302 | $59,604 | $49,500 | 12 | $49,500 | $32,657 | $49,873 |
| 2023 | $529,633 | $51,212 | $84,695 | $74,160 | 18 | $74,160 | $42,397 | $46,632 |
| 2022 | $566,116 | $22,671 | $53,621 | $40,500 | 12 | $40,500 | $13,963 | $53,085 |
| 2021 | $597,066 | $18,459 | $43,528 | $34,500 | 5 | — | $11,647 | $45,924 |
| 2020 | $619,135 | $29,064 | $41,674 | $35,869 | 10 | — | $23,029 | $41,614 |
Under IRS private-foundation payout rules, Jack Silberberg Foundation reported a distributable amount of $56K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Jack Silberberg Foundation's only listed officer is Judith Hahn, Manager on every filing since 2020 (uncompensated).
Officers on the 2025 filing
Judith Hahn
Manager
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 Jack Silberberg Foundation
How much does Jack Silberberg Foundation give each year?
Jack Silberberg Foundation gave $35K across 8 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $50K across 12 grants.
What is Jack Silberberg Foundation's typical grant size?
Jack Silberberg Foundation's median grant in 2025 was $1,650, and its average grant was $4,313, across 8 grants on its 2025 IRS Form 990-PF.
Where does Jack Silberberg Foundation give grants?
Jack Silberberg Foundation gives mostly in Connecticut: 69% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were New York (15%) and New Jersey (12%). The most frequent recipient cities were New York, NY (4 grants).
Who are Jack Silberberg Foundation's largest grantees?
Jack Silberberg Foundation's largest 2025 grantees include Jewish Federation of Greater New Haven ($20,000), Temple Sinai of Bergen County ($4,000) and Congregation Mishkan Israel ($3,700), according to its 2025 IRS Form 990-PF. Together they received 80% of its itemized 2025 grant dollars.
How large is Jack Silberberg Foundation?
Jack Silberberg Foundation reported $520K in total assets on its 2025 IRS Form 990-PF. It paid out $35K in qualifying distributions that year, against a required minimum of $56K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
What is Jack Silberberg Foundation's EIN?
Jack Silberberg Foundation's EIN (Employer Identification Number) is 23-7112034. 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
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS April 15, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS April 14, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS November 21, 2022)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS October 23, 2023)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS April 13, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS April 14, 2026)
- IRS filings on file for fiscal years 2020–2025
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