Winslow Stark Foundation
Winslow Stark Foundation is a private foundation, based in Sacramento, CA. IRS filing data is available from 2020 through 2023. In 2023, it awarded 2 grants totaling $2.6M. Net investment income was $12K.
Winslow Stark Foundation at a glance
In short: Winslow Stark Foundation gave $2.6M across 2 grants in 2023 (avg $1.3M), mostly in California. Source: 2023 IRS Form 990-PF.
- Annual giving (2023)
- $2,636,317
- +1675.5% vs 2022
- Grants made (2023)
- 2
- +100.0% vs 2022
- Average grant
- $1,318,159
- +787.8% vs 2022
- Median grant
- $1,318,159
- Primary geography
- California (95% of itemized 2023 grant dollars)
- Latest 990 filing
- Form 990-PF, 2023 View filing
Data from IRS Form 990-PF, 2023; updated September 2026.
Who Winslow Stark Foundation funds
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2023
The largest 2023 recipient was Schwab Charitable Fund ($2.5M). Together the top 2 received $2.6M.
Grant Size Distribution
5 grants across all recorded years
The most common grant size was in the $100–250K range: 4 grants of 5 (80%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2023 grant dollars across all 2 itemized grants.
States
Cities
How Winslow Stark Foundation gives
- Giving grew 1595% from 2020 to 2023. Method
- In 2023 it paid out well above 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 2023, annual grant giving ranged from $148K (2022) to $2.6M (2023). In 2023 it made 2 grants totaling $2.6M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Schwab Charitable Fund San Francisco, CA | Distribution to Donor Advised Fund Pursuant to Dissolution | $2,511,317 |
| Children International Kansas City, MO | Support for Educational and Community Initiatives | $125,000 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2023 | — | $49,882 | $2,208,481 | $2,636,317 | 2 | $2,646,023 | $11,927 | $110,047 |
| 2022 | $2,158,599 | $82,069 | $192,269 | $148,483 | 1 | $155,815 | $46,115 | $122,165 |
| 2021 | $2,268,799 | $238,996 | $210,857 | $165,585 | 1 | $172,136 | $200,472 | $141,118 |
| 2020 | $2,240,660 | $91,421 | $195,815 | $155,524 | 1 | — | $57,875 | $122,510 |
Under IRS private-foundation payout rules, Winslow Stark Foundation reported a distributable amount of $110K for 2023 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Winslow Stark Foundation is led by Emily W. Stark, President & CEO on every filing since 2020; none of the 5 officers listed in 2023 report compensation.
Officers on the 2023 filing
Emily W. Stark
President & CEO
On filings since 2020
2 hrs/week
No compensation reported
Alex Stark
Director
New on the 2023 filing
0.1 hrs/week
No compensation reported
Doran Morford
Director
New on the 2023 filing
0.1 hrs/week
No compensation reported
Vivian Martindale
Director
New on the 2023 filing
0.1 hrs/week
No compensation reported
Gavin J. Stark
Treasurer & Secretary
On filings since 2020
2 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2020–2023. "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 Winslow Stark Foundation
How much does Winslow Stark Foundation give each year?
Winslow Stark Foundation gave $2.6M across 2 grants in 2023, according to its 2023 IRS Form 990-PF. In 2022 it gave $148K across 1 grant.
Where does Winslow Stark Foundation operate?
Winslow Stark Foundation has awarded grants in California, Missouri.
How much is Winslow Stark Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2023, Winslow Stark Foundation reported a distributable amount of $110K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Winslow Stark Foundation's EIN?
Winslow Stark Foundation's EIN (Employer Identification Number) is 94-3381730. IRS Form 990 filing data is available on this page for 2020–2023.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2023
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