The Weiss Family Foundation
The Weiss Family Foundation is a private foundation, based in Palo Alto, CA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $396K in total assets. In 2025, it awarded 8 grants totaling $86K. Net investment income was $89K.
The Weiss Family Foundation at a glance
In short: The Weiss Family Foundation gave $86K across 8 grants in 2025 (avg $11K), top state District of Columbia. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $86,000
- +1.2% vs 2024
- Grants made (2025)
- 8
- +0.0% vs 2024
- Average grant
- $10,750
- +1.2% vs 2024
- Median grant
- $10,000
- Total assets
- $395,743
- +5.4% vs 2024
- Primary geography
- District of Columbia (35% 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 Weiss Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 8 recipients in 2025
The largest 2025 recipient was Wildlife Conservation Network ($21K). Together the top 8 received $86K.
Grant Size Distribution
40 grants across all recorded years
The most common grant size was under $50K: 40 grants of 40 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 8 itemized grants.
Cities
How The Weiss Family Foundation gives
- Giving held roughly steady from 2022 to 2025 (+15%). Method
- In 2025 it paid out 266% of 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 2025, annual grant giving ranged from $65K (2021) to $86K (2025). In 2025 it made 8 grants totaling $86K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Wildlife Conservation Network Los Altos, CA | To Support Wildlife Conservation Efforts | $21,000 |
| Ocean Conservancy Washington, DC | To Support Wildlife Conservation Effort | $15,000 |
| Rights Behind Bars Washington, DC | To Support the Exempt Purpose of the Organization | $15,000 |
| Food Gatherers Ann Arbor, MI | To Support the Exempt Purpose of the Organization | $10,000 |
| Harlem Children's Zone New York, NY | To Support the Exempt Purpose of the Organization | $10,000 |
| The Broadway Community New York, NY | To Support the Exempt Purpose of the Organization | $5,000 |
| Wild Bird Fund New York, NY | To Support the Exempt Purpose of the Organization | $5,000 |
| Blue Ridge Abortion Fund Charlottesville, VA | To Support the Exempt Purpose of the Organization | $5,000 |
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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 | $395,743 | $116,427 | $95,517 | $86,000 | 8 | $87,990 | $89,230 | $33,115 |
| 2024 | $375,463 | $61,265 | $95,816 | $85,000 | 8 | $88,800 | $32,972 | $33,126 |
| 2023 | $409,610 | $31,666 | $76,701 | $70,000 | 7 | $70,000 | $7,216 | $31,165 |
| 2022 | $454,440 | $79,160 | $85,905 | $75,000 | 9 | $76,850 | $47,585 | $33,663 |
| 2021 | $473,493 | $87,493 | $76,205 | $65,000 | 8 | $66,800 | $63,502 | $38,638 |
| 2020 | $461,813 | $47,916 | $84,876 | $75,000 | 10 | — | $14,189 | $33,272 |
Under IRS private-foundation payout rules, The Weiss Family Foundation reported a distributable amount of $33K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
The Weiss Family Foundation is led by Judith S. Weiss, President on every filing since 2020; none of the 5 officers listed in 2025 report compensation.
Officers on the 2025 filing
Judith S. Weiss
President
On filings since 2020
5 hrs/week
No compensation reported
Daniel Weiss
Director
On filings since 2020
5 hrs/week
No compensation reported
Janet Weiss
Director
On filings since 2020
5 hrs/week
No compensation reported
Benjamin Kinder
Treasurer
On filings since 2020
5 hrs/week
No compensation reported
Samuel Kinder Weiss
Clerk
On filings since 2020
5 hrs/week
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 Weiss Family Foundation
How much does The Weiss Family Foundation give each year?
The Weiss Family Foundation gave $86K across 8 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $85K across 8 grants.
What is The Weiss Family Foundation's typical grant size?
The Weiss Family Foundation's median grant in 2025 was $10,000, and its average grant was $10,750, across 8 grants on its 2025 IRS Form 990-PF.
Where does The Weiss Family Foundation give grants?
The Weiss Family Foundation's top state is District of Columbia, with 35% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were California (24%) and New York (23%). The most frequent recipient cities were New York, NY (3 grants) and Washington, DC (2 grants).
Who are The Weiss Family Foundation's largest grantees?
The Weiss Family Foundation's largest 2025 grantees include Wildlife Conservation Network ($21,000), Ocean Conservancy ($15,000) and Rights Behind Bars ($15,000), according to its 2025 IRS Form 990-PF. Together they received 59% of its itemized 2025 grant dollars.
How large is The Weiss Family Foundation?
The Weiss Family Foundation reported $396K in total assets on its 2025 IRS Form 990-PF. It paid out $88K in qualifying distributions that year, against a required minimum of $33K (roughly 5% of its investment assets).
What is The Weiss Family Foundation's EIN?
The Weiss Family Foundation's EIN (Employer Identification Number) is 04-3421413. 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 November 15, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS November 15, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS November 14, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 13, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 5, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS March 31, 2026)
- IRS filings on file for fiscal years 2020–2025
Live grants for the work The Weiss Family Foundation funds
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