Kos Family Foundation
Kos Family Foundation 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 $2.4M in total assets. In 2025, it awarded 7 grants totaling $108K. Net investment income was $157K.
Key facts about Kos Family Foundation
In short: Kos Family Foundation gave $108K across 7 grants in 2025 (avg $15K), mostly in California. Source: 2025 IRS Form 990-PF.
- EIN
- 85-1348715
- Latest 990 filing
- Form 990-PF, 2025
- Annual giving (2025)
- $108,000
- Grants made (2025)
- 7
- Average grant
- $15,429
- Median grant
- $5,000
- Total assets
- $2,366,876
- Primary geography
- California (91% 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
$2.4M
+2.8% YoY
Annual Giving
$108K
+24.1% YoY
Grant Count
7
-12.5% YoY
Avg Grant Size
$15K
+41.9% YoY
Under IRS private-foundation payout rules, Kos Family Foundation reported a distributable amount of $115K for 2025 — the minimum it must pay out in qualifying distributions.
How Kos Family Foundation gives
- Giving grew 25% from 2022 to 2025. Method
- In 2025 it paid out 97% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. 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 7 itemized 2025 grant dollars.
Cities
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 7 recipients in 2025
Grant Size Distribution
29 grants across all recorded years
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| TGR FOUNDATION Irvine, CA | PUBLIC WELFARE | $78,500 |
| GOT CHAOS Dallas, TX | PUBLIC WELFARE | $10,000 |
| THEATRE FOR CHILDREN INC Sacramento, CA | PUBLIC WELFARE | $10,000 |
| YOUTH ON COURSE Monterey, CA | PUBLIC WELFARE | $5,000 |
| DE LA SALLE HIGH SCHOOL Concord, CA | PUBLIC WELFARE | $2,500 |
| MOVEMBER FOUNDATION Santa Monica, CA | PUBLIC WELFARE | $1,000 |
| FOOD BANK OF CONTRA COSTA AND SOLANO Concord, CA | PUBLIC WELFARE | $1,000 |
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $2,366,876 | $2,301,573 | $2,240,626 |
| Revenue | $180,069 | $176,802 | $1,223,194 |
| Expenses | $114,766 | $115,855 | $82,056 |
| Qualifying Distributions | $111,381 | $90,209 | $56,500 |
| Net Investment Income | $157,134 | $173,572 | $1,213,538 |
| Distributable Amount | $114,799 | $111,382 | $93,151 |
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 September 7, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS November 9, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS November 8, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS October 24, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 14, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS May 11, 2026)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS September 7, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS November 9, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS November 8, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS October 24, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 14, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 11, 2026)
Leadership & Key People
Officers and directors from IRS filings
Kos Family Foundation's 2025 filing lists 2 officers; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Holly Kos
Trustee
On filings since 2020
1 hr/week
No compensation reported
Vojin Kos
Trustee
On filings since 2020
1 hr/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 Kos Family Foundation
How much does Kos Family Foundation give each year?
Kos Family Foundation gave $108K across 7 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $87K across 8 grants.
What is Kos Family Foundation's typical grant size?
Kos Family Foundation's median grant in 2025 was $5,000, and its average grant was $15,429, across 7 grants on its 2025 IRS Form 990-PF.
Where does Kos Family Foundation give grants?
Kos Family Foundation gives mostly in California: 91% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Texas (9%). The most frequent recipient cities were Concord, CA (2 grants).
Does Kos Family Foundation give general operating support?
Not in 2025: none of the 7 grants with a stated purpose on Kos Family Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Public Welfare" (7 grants).
Who are Kos Family Foundation's largest grantees?
Kos Family Foundation's largest 2025 grantees include TGR Foundation ($78,500), Got Chaos ($10,000) and Theatre for Children Inc ($10,000), according to its 2025 IRS Form 990-PF. Together they received 91% of its itemized 2025 grant dollars.
How large is Kos Family Foundation?
Kos Family Foundation reported $2.4M in total assets on its 2025 IRS Form 990-PF. It paid out $111K in qualifying distributions that year, against a required minimum of $115K (roughly 5% of its investment assets).
What is Kos Family Foundation?
Kos Family Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in San Francisco, CA. It holds $2.4M in total assets as of 2025.
What is Kos Family Foundation's EIN?
Kos Family Foundation's EIN (Employer Identification Number) is 85-1348715. 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 Kos Family Foundation by hand.
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