Bosse Foundation
Bosse Foundation is a private foundation, based in Santa Barbara, CA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $13K in total assets. In 2025, it awarded 7 grants totaling $24K. Net investment income was $8.
Bosse Foundation at a glance
In short: Bosse Foundation gave $24K across 7 grants in 2025 (avg $3K), mostly in California. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $23,600
- +74.8% vs 2024
- Grants made (2025)
- 7
- +133.3% vs 2024
- Average grant
- $3,371
- -25.1% vs 2024
- Median grant
- $500
- Total assets
- $13,235
- -64.1% vs 2024
- Primary geography
- California (100% 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 Bosse Foundation funds
How this funder distributes its grants
Top Recipients
Top 7 recipients in 2025
The largest 2025 recipient was The Ronald Reagan Presidential Library & Museum ($12K). Together the top 7 received $24K.
Grant Size Distribution
27 grants across all recorded years
The most common grant size was under $50K: 23 grants of 27 (85%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 7 itemized grants.
Cities
How Bosse Foundation gives
- Giving fell 89% from 2022 to 2025. Method
- In 2025 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 2025, annual grant giving ranged from $13K (2024) to $345K (2021). In 2025 it made 7 grants totaling $24K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| The Ronald Reagan Presidential Library & Museum Simi Valley, CA | General Support | $12,000 |
| Senior Concerns Thousand Oaks, CA | General Support | $5,900 |
| Boys and Girls Club of Greater Conejo Valley Westlake Village, CA | General Support | $4,700 |
| UCP of Los Angeles Ventura & Santa Barbara Woodland Hills, CA | General Support | $500 |
| Foodbank of Santa Barbara Country Goleta, CA | General Support | $300 |
| Restless Legs Syndrome Foundation Austin, TX | General Support | $100 |
| Uncle Kory Foundation El Segundo, CA | General Support | $100 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $13,235 | $22 | $23,679 | $23,600 | 7 | $23,615 | $8 | $1,023 |
| 2024 | $36,892 | $50,010 | $16,190 | $13,498 | 3 | $15,204 | — | $458 |
| 2023 | $3,072 | $100,053 | $220,841 | $218,800 | 4 | $220,137 | — | $2,811 |
| 2022 | $123,860 | $200,074 | $224,625 | $220,200 | 7 | $222,752 | — | $6,589 |
| 2021 | $147,411 | $300,063 | $348,326 | $345,086 | 6 | $347,742 | — | $6,127 |
| 2020 | $195,674 | $300,090 | $204,386 | $201,737 | 8 | — | — | $6,805 |
Under IRS private-foundation payout rules, Bosse Foundation reported a distributable amount of $1K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Bosse Foundation is led by Arthur J. Bosse, President & Director on every filing since 2020; none of the 4 officers listed in 2025 report compensation.
Officers on the 2025 filing
Arthur J. Bosse
President & Director
On filings since 2020
No compensation reported
Brian J. Gray
Treasurer & Director
On filings since 2020
No compensation reported
Catherine M. Romero
Director
On filings since 2020
No compensation reported
Terry A. Bartlett
Secretary & Director
On filings since 2020
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 Bosse Foundation
How much does Bosse Foundation give each year?
Bosse Foundation gave $24K across 7 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $13K across 3 grants.
What is Bosse Foundation's typical grant size?
Bosse Foundation's median grant in 2025 was $500, and its average grant was $3,371, across 7 grants on its 2025 IRS Form 990-PF.
Where does Bosse Foundation give grants?
Bosse Foundation gives mostly in California: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there.
Does Bosse Foundation give general operating support?
Yes: 100% of Bosse Foundation's 2025 grants with a stated purpose (7 of 7) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Bosse Foundation's largest grantees?
Bosse Foundation's largest 2025 grantees include The Ronald Reagan Presidential Library & Museum ($12,000), Senior Concerns ($5,900) and Boys and Girls Club of Greater Conejo Valley ($4,700), according to its 2025 IRS Form 990-PF. Together they received 96% of its itemized 2025 grant dollars.
How large is Bosse Foundation?
Bosse Foundation reported $13K in total assets on its 2025 IRS Form 990-PF. It paid out $24K in qualifying distributions that year, against a required minimum of $1K (roughly 5% of its investment assets).
What is Bosse Foundation's EIN?
Bosse Foundation's EIN (Employer Identification Number) is 26-4494296. 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
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 19, 2026)
- IRS filings on file for fiscal years 2020–2024
Live grants for the work Bosse Foundation funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in Bosse Foundation's focus areas in our free grants database
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