The Trimble Foundation
The Trimble Foundation is a private foundation, based in Honolulu, HI. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $5.4M in total assets. In 2025, it made $4K in qualifying distributions. Net investment income was $193K.
The Trimble Foundation at a glance
- Total assets
- $5,419,643
- +7.7% vs 2024
- Revenue (2025)
- $396,939
- +44.2% vs 2024
- Qualifying distributions (2025)
- $3,803
- -59.0% vs 2024
- Expenses (2025)
- $7,605
- -59.0% vs 2024
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who The Trimble Foundation funds
How this funder distributes its grants
Grant Size Distribution
5 grants across all recorded years
The most common grant size was in the $1–5M range: 3 grants of 5 (60%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Cities
How The Trimble Foundation gives
- In 2025 it paid out 1% 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
From 2020 to 2022, annual grant giving ranged from $470K (2020) to $5.7M (2021). In 2022 it made 1 grant totaling $2.5M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Caltech Advancement and Alumni Relations Pasadena, CA | The charles trimble endowment fund (peer review research) contributed proeprty: book value: 1. 700 shares American express co. $ 68,321.00 2. 2,200 shares arista networks inc. $ 41,802.69 3. 2,000 shares axos finanical inc. $ 37,583.95 4. 910 shares fulgent genetrics inc. $ 40,494.95 5. 2,000 shares microsoft corp. $ 83,396.52 6. 2,400 shares nvidia corp. $110,220.10 7. 1,000 shares spdr s&p 500 etf trust $ 94,319.95 8. 100 shares svb financial group $ 30,746.75 9. 100 shares shopify inc. Cl a $ 8,989.48 book value method: cost basis fmv method: average low/highdate of gift:january 18, 2022 | $2,457,113 |
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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 | $5,419,643 | $396,939 | $7,605 | — | — | $3,803 | $193,308 | $560,729 |
| 2024 | $5,030,309 | $275,202 | $18,553 | — | — | $9,276 | $210,719 | $434,809 |
| 2023 | $4,743,716 | $174,717 | $16,698 | — | — | — | $133,259 | $282,396 |
| 2022 | $4,593,345 | $5,841 | $2,460,086 | $2,457,113 | 1 | $2,457,113 | $19,622 | $244,948 |
| 2021 | $5,112,188 | $1,043,105 | $5,704,676 | $5,683,458 | 4 | $5,683,458 | $939,504 | $629,113 |
| 2020 | $8,859,945 | $488,041 | $491,200 | $470,000 | 6 | — | $476,941 | $466,367 |
Under IRS private-foundation payout rules, The Trimble Foundation reported a distributable amount of $561K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
The Trimble Foundation is led by Gordon M. Trimble, President on every filing since 2020; none of the 4 officers listed in 2025 report compensation.
Officers on the 2025 filing
Gordon M. Trimble
President
On filings since 2020
No compensation reported
Charles R. Trimble
1st Vice President
On filings since 2020
No compensation reported
Robert U. Trimble
2nd Vice President
On filings since 2020
No compensation reported
Sonia U. Trimble
Treasurer
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 The Trimble Foundation
How large is The Trimble Foundation?
The Trimble Foundation reported $5.4M in total assets on its 2025 IRS Form 990-PF. It paid out $4K in qualifying distributions that year, against a required minimum of $561K (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.
Where does The Trimble Foundation operate?
The Trimble Foundation has awarded grants in California, Hawaii, New York, Washington.
What is The Trimble Foundation's EIN?
The Trimble Foundation's EIN (Employer Identification Number) is 99-0316453. 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 July 28, 2026)
- IRS filings on file for fiscal years 2020–2024
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