Wilsey Foundation
Wilsey Foundation is a private foundation, based in San Francisco, CA. IRS filing data is available from 2020 through 2026. As of 2026, the organization holds $342K in total assets. In 2026, it awarded 2 grants totaling $29K. Net investment income was $91K.
Wilsey Foundation at a glance
In short: Wilsey Foundation gave $29K across 2 grants in 2026 (avg $14K), mostly in California. Source: 2026 IRS Form 990-PF.
- Annual giving (2026)
- $28,703
- +57.7% vs 2025
- Grants made (2026)
- 2
- +100.0% vs 2025
- Average grant
- $14,352
- -21.1% vs 2025
- Median grant
- $14,352
- Total assets
- $341,938
- +22.0% vs 2025
- Primary geography
- California (64% 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 Wilsey Foundation funds
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2026
The largest 2026 recipient was Humane Society Silicon Valley ($18K). Together the top 2 received $29K.
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.
Cities
How Wilsey Foundation gives
- Giving held roughly steady from 2023 to 2026 (+4%). Method
- In 2026 it paid out 112% 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 2026, annual grant giving ranged from $6K (2022) to $29K (2026). In 2026 it made 2 grants totaling $29K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Humane Society Silicon Valley Milpitas, CA | General Support | $18,321 |
| Connrcticut College New London, CT | General Support | $10,382 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2026 | $341,938 | $90,833 | $30,948 | $28,703 | 2 | $28,703 | $90,833 | $25,683 |
| 2025 | $280,295 | $3,136 | $22,408 | $18,198 | 1 | $18,198 | $4,147 | $26,854 |
| 2024 | $286,568 | $81,584 | $24,892 | $22,000 | 2 | $22,000 | $81,584 | $22,688 |
| 2023 | $229,876 | $2,757 | $30,400 | $27,482 | 5 | $27,482 | $4,263 | $21,202 |
| 2022 | $246,811 | $9,592 | $8,969 | $5,649 | 2 | $5,649 | $9,592 | $26,587 |
| 2021 | $242,719 | $7,090 | $24,289 | $21,914 | 2 | — | $7,234 | $23,362 |
| 2020 | $249,563 | $15,727 | $23,598 | $18,780 | 5 | — | $15,727 | $18,358 |
Under IRS private-foundation payout rules, Wilsey Foundation reported a distributable amount of $26K for 2026 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Wilsey Foundation is led by Diane B. Wilsey, Chief Executive Officer since 2026 (on filings since 2020); none of the 3 officers listed in 2026 report compensation.
Officers on the 2026 filing
Diane B. Wilsey
Chief Executive Officer
President → Chief Executive Officer, 2026
On filings since 2020
No compensation reported
Todd B. Traina
Chief Financial Offier
New on the 2026 filing
No compensation reported
Trevor B. Traina
Secretary
New on the 2026 filing
No compensation reported
Data from IRS Form 990 filings, 2020–2026. "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 Wilsey Foundation
How much does Wilsey Foundation give each year?
Wilsey Foundation gave $29K across 2 grants in 2026, according to its 2026 IRS Form 990-PF. In 2025 it gave $18K across 1 grant.
How large is Wilsey Foundation?
Wilsey Foundation reported $342K in total assets on its 2026 IRS Form 990-PF. It paid out $29K in qualifying distributions that year, against a required minimum of $26K (roughly 5% of its investment assets).
Where does Wilsey Foundation operate?
Wilsey Foundation has awarded grants in California, Connecticut, New York.
What is Wilsey Foundation's EIN?
Wilsey Foundation's EIN (Employer Identification Number) is 94-6098720. IRS Form 990 filing data is available on this page for 2020–2026.
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 August 17, 2026)
- IRS filings on file for fiscal years 2020–2025
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Figures come from Wilsey Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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