Kos Family Foundation

Private foundation · Grantmaker San Francisco, CA EIN: 85-1348715

Kos Family Foundation is a private foundation, 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.

Kos Family Foundation at a glance

In short: Kos Family Foundation gave $108K across 7 grants in 2025 (avg $15K), mostly in California. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$108,000
+24.1% vs 2024
Grants made (2025)
7
-12.5% vs 2024
Average grant
$15,429
+41.9% vs 2024
Median grant
$5,000
Total assets
$2,366,876
+2.8% vs 2024
Primary geography
California (91% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated September 2026.

Who Kos Family Foundation funds

How this funder distributes its grants

Top Recipients

Top 7 recipients in 2025

TGR Foundation: $79KTGR Foundation$79KGot Chaos: $10KGot Chaos$10KTheatre for Children Inc: $10KTheatre for Children Inc$10KYouth on Course: $5KYouth on Course$5KDe La Salle High School: $3KDe La Salle High School$3KMovember Foundation: $1KMovember Foundation$1KFood Bank of Contra Costa and Solano: $1KFood Bank of Contra Costa andSolano$1K

The largest 2025 recipient was TGR Foundation ($79K). Together the top 7 received $108K.

Grant Size Distribution

29 grants across all recorded years

28<$50K1$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 28 grants of 29 (97%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

6states

Share of 2025 grant dollars across all 7 itemized grants.

Cities

ConcordDallasMontereySanta MonicaAtlantaDanvilleSacramentoWalnut CreekAlexandriaArlingtonBozemanIrvineReno

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.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$50K$100K$150K0 grants2020 3 grants2021 5 grants2022 6 grants2023 8 grants2024 7 grants2025

From 2021 to 2025, annual grant giving ranged from $29K (2021) to $108K (2025). In 2025 it made 7 grants totaling $108K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
TGR Foundation Irvine, CAPublic Welfare$78,500
Got Chaos Dallas, TXPublic Welfare$10,000
Theatre for Children Inc Sacramento, CAPublic Welfare$10,000
Youth on Course Monterey, CAPublic Welfare$5,000
De La Salle High School Concord, CAPublic Welfare$2,500
Movember Foundation Santa Monica, CAPublic Welfare$1,000
Food Bank of Contra Costa and Solano Concord, CAPublic Welfare$1,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$2,366,876$180,069$114,766$108,0007$111,381$157,134$114,799
2024$2,301,573$176,802$115,855$87,0008$90,209$173,572$111,382
2023$2,240,626$1,223,194$82,056$50,0006$56,500$1,213,538$93,151
2022$1,099,488$1,188,352$89,720$86,3205$86,320$1,185,952$49,423
2021$856$29,856$29,000$29,0003$29,000$29,856$86,609
2020—$13,186$13,186————$41,897

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.

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). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.

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.

Data update history

(6)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2020 (received by the IRS September 7, 2021)
  2. Updated Form 990-PF for fiscal year 2021 (received by the IRS November 9, 2022)
  3. Updated Form 990-PF for fiscal year 2022 (received by the IRS November 8, 2023)
  4. Updated Form 990-PF for fiscal year 2023 (received by the IRS October 24, 2024)
  5. Updated Form 990-PF for fiscal year 2024 (received by the IRS May 14, 2025)
  6. Added Form 990-PF for fiscal year 2025 (received by the IRS May 11, 2026)

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Kos Family 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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