Martin and Ami Weiss Foundation
Martin and Ami Weiss Foundation is a private foundation, based in Encino, CA. IRS filing data is available from 2021 through 2026. As of 2026, the organization holds $254K in total assets. In 2026, it awarded 2 grants totaling $36K. Net investment income was $10K.
Martin and Ami Weiss Foundation at a glance
In short: Martin and Ami Weiss Foundation gave $36K across 2 grants in 2026 (avg $18K), mostly in California. Source: 2026 IRS Form 990-PF.
- Annual giving (2026)
- $36,000
- +44.0% vs 2025
- Grants made (2026)
- 2
- -33.3% vs 2025
- Average grant
- $18,000
- +116.0% vs 2025
- Median grant
- $18,000
- Total assets
- $253,693
- -9.5% vs 2025
- Primary geography
- California (100% of itemized 2026 grant dollars)
- Latest 990 filing
- Form 990-PF, 2026 View filing
Data from IRS Form 990-PF, 2026; updated September 2026.
Who Martin and Ami Weiss Foundation funds
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2026
The largest 2026 recipient was San Diego Zoo Wildlife Alliance ($20K). Together the top 2 received $36K.
Grant Size Distribution
12 grants across all recorded years
The most common grant size was under $50K: 12 grants of 12 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2026 grant dollars across all 2 itemized grants.
States
Cities
How Martin and Ami Weiss Foundation gives
- Giving fell 20% from 2023 to 2026. 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 2022 to 2026, annual grant giving ranged from $25K (2022) to $45K (2024). In 2026 it made 2 grants totaling $36K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| San Diego Zoo Wildlife Alliance San Diego, CA | Support Public Education Programs | $20,000 |
| Animal Tracks Agua Dulce, CA | Support public education and protect animals and their habitats | $16,000 |
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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 |
|---|---|---|---|---|---|---|---|
| 2026 | $253,693 | $10,304 | $36,916 | $36,000 | 2 | $36,000 | $10,304 |
| 2025 | $280,305 | $12,647 | $26,012 | $25,000 | 3 | $25,000 | $11,892 |
| 2024 | $293,670 | $19,382 | $45,900 | $45,000 | 3 | $45,000 | $18,482 |
| 2023 | $320,188 | $148 | $45,045 | $45,000 | 3 | $45,000 | — |
| 2022 | $365,085 | $40,074 | $25,575 | $25,000 | 1 | $25,000 | $3 |
| 2021 | $350,586 | $350,250 | $290 | — | — | — | — |
Leadership & Key People
Officers and directors from IRS filings
Martin and Ami Weiss Foundation is led by Henry Hung, CEO since 2022 (on filings since 2021); none of the 3 officers listed in 2026 report compensation.
Officers on the 2026 filing
Henry Hung
CEO
Vice President → CEO, 2022
On filings since 2021
No compensation reported
Gerald Jerry Block
CFO
President → CFO, 2022
On filings since 2021
1 hr/week
No compensation reported
Richard Rosman
Secretary
On filings since 2021
No compensation reported
Data from IRS Form 990 filings, 2021–2026. "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 Martin and Ami Weiss Foundation
How much does Martin and Ami Weiss Foundation give each year?
Martin and Ami Weiss Foundation gave $36K across 2 grants in 2026, according to its 2026 IRS Form 990-PF. In 2025 it gave $25K across 3 grants.
How large is Martin and Ami Weiss Foundation?
Martin and Ami Weiss Foundation reported $254K in total assets on its 2026 IRS Form 990-PF. Its revenue that year was $10K.
Where does Martin and Ami Weiss Foundation operate?
Martin and Ami Weiss Foundation has awarded grants in California.
What is Martin and Ami Weiss Foundation's EIN?
Martin and Ami Weiss Foundation's EIN (Employer Identification Number) is 95-4278230. IRS Form 990 filing data is available on this page for 2021–2026.
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
- Added Form 990-PF for fiscal year 2026 (received by the IRS July 30, 2026)
- IRS filings on file for fiscal years 2021–2025
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