William E and Aenid R Weisgerber
William E and Aenid R Weisgerber is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in San Francisco, CA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $4.0M in total assets. In 2025, it awarded 10 grants totaling $361K. Net investment income was $495K.
Key facts about William E and Aenid R Weisgerber
In short: William E and Aenid R Weisgerber gave $361K across 10 grants in 2025 (avg $36K), mostly in California. Source: 2025 IRS Form 990-PF.
- EIN
- 94-3306221
- Latest 990 filing
- Form 990-PF, 2025
- Annual giving (2025)
- $361,400
- Grants made (2025)
- 10
- Average grant
- $36,140
- Median grant
- $5,000
- Total assets
- $4,026,135
- Primary geography
- California (99% of itemized 2025 grant dollars)
Data from IRS Form 990-PF, 2025; updated September 2026.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$4.0M
+2.6% YoY
Annual Giving
$361K
+19.9% YoY
Grant Count
10
+100.0% YoY
Avg Grant Size
$36K
-40.0% YoY
Under IRS private-foundation payout rules, William E and Aenid R Weisgerber reported a distributable amount of $369K for 2025 — the minimum it must pay out in qualifying distributions.
How William E and Aenid R Weisgerber gives
- Giving grew 24% from 2022 to 2025. Method
- In 2025 it paid out 104% of its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of all 10 itemized 2025 grant dollars.
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 9 recipients in 2025
Grant Size Distribution
29 grants across all recorded years
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| California Pacific Medical Center Foundation San Francisco, CA | Support the Weisgerber Cardiology Support Fund, SPF No. 20530 | $160,000 |
| Lucile Packard Foundation for Children's Health Palo Alto, CA | Support "Physical Activity and Exercise in Youth with Type 1 Diabetes" research project | $86,400 |
| Diabetes Youth Families Concord, CA | General support | $60,000 |
| American Red Cross San Francisco, CA | Support the Emergency Response Fund for victims of the Southern California wildfires | $25,000 |
| Classical California KDFC Los Angeles, CA | General support | $5,000 |
| Dream Volunteers Mountain View, CA | Support funding of scholarships for students in Guatemala, Costa Rica, Ghana, Vietnam and India who have limited access to education | $5,000 |
| KQED City of Industry, CA | General support | $5,000 |
| Partners in Health Frederick, MD | Support for children in Haiti suffering from malnutrition | $5,000 |
| San Francisco Chamber of Commerce Foundation San Francisco, CA | Support the Job Forum program | $5,000 |
| San Francisco Chamber of Commerce Foundation San Francisco, CA | Support the Job Forum program | $5,000 |
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $4,026,135 | $3,925,072 | $3,844,870 |
| Revenue | $554,390 | $460,474 | $313,816 |
| Expenses | $453,327 | $380,272 | $357,055 |
| Qualifying Distributions | $383,622 | $321,658 | $305,943 |
| Net Investment Income | $495,139 | $417,049 | $260,297 |
| Distributable Amount | $369,337 | $339,584 | $308,051 |
Data update history
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 May 12, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS September 20, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 1, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 12, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS May 4, 2026)
- 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 May 12, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS September 20, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 1, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 12, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 4, 2026)
Leadership & Key People
Officers and directors from IRS filings
William E and Aenid R Weisgerber is led by Gary E Botto, Director, President & Treasurer since 2023 (on filings since 2020); none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Gary E Botto
Director, President & Treasurer
Director & President → Director, President & Treasurer, 2023
On filings since 2020
1 hr/week
No compensation reported
Stacey M Camarena
Secretary
On filings since 2023
1 hr/week
No compensation reported
Stephanie H Dobozin
Vice President
On filings since 2023
1 hr/week
No compensation reported
Former officers (1)
- Former: Clare M Raj (2020–2022) — Vice President, Secretary & Treasurer
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 William E and Aenid R Weisgerber
How much does William E and Aenid R Weisgerber give each year?
William E and Aenid R Weisgerber gave $361K across 10 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $301K across 5 grants.
What is William E and Aenid R Weisgerber's typical grant size?
William E and Aenid R Weisgerber's median grant in 2025 was $5,000, and its average grant was $36,140, across 10 grants on its 2025 IRS Form 990-PF.
Where does William E and Aenid R Weisgerber give grants?
William E and Aenid R Weisgerber gives mostly in California: 99% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were San Francisco, CA (4 grants).
Does William E and Aenid R Weisgerber give general operating support?
Yes: 30% of William E and Aenid R Weisgerber's 2025 grants with a stated purpose (3 of 10) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are William E and Aenid R Weisgerber's largest grantees?
William E and Aenid R Weisgerber's largest 2025 grantees include California Pacific Medical Center Foundation ($160,000), Lucile Packard Foundation for Children's Health ($86,400) and Diabetes Youth Families ($60,000), according to its 2025 IRS Form 990-PF. Together they received 85% of its itemized 2025 grant dollars.
How large is William E and Aenid R Weisgerber?
William E and Aenid R Weisgerber reported $4.0M in total assets on its 2025 IRS Form 990-PF. It paid out $384K in qualifying distributions that year, against a required minimum of $369K (roughly 5% of its investment assets).
What is William E and Aenid R Weisgerber?
William E and Aenid R Weisgerber is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in San Francisco, CA. It holds $4.0M in total assets as of 2025.
What is William E and Aenid R Weisgerber's EIN?
William E and Aenid R Weisgerber's EIN (Employer Identification Number) is 94-3306221. 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.
Here's the math on researching William E and Aenid R Weisgerber by hand.
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