The Thomsen Foundation
The Thomsen Foundation is a private foundation, based in Seattle, WA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $1.1M in total assets. In 2025, it awarded 4 grants totaling $100K. Net investment income was $93K.
The Thomsen Foundation at a glance
In short: The Thomsen Foundation gave $100K across 4 grants in 2025 (avg $25K), mostly in Washington. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $100,005
- +13.6% vs 2024
- Grants made (2025)
- 4
- +0.0% vs 2024
- Average grant
- $25,001
- +13.6% vs 2024
- Median grant
- $25,000
- Total assets
- $1,109,565
- -1.0% vs 2024
- Primary geography
- Washington (50% 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 The Thomsen Foundation funds
How this funder distributes its grants
Top Recipients
Top 4 recipients in 2025
The largest 2025 recipient was Washington's National Park Fund ($25K). Together the top 4 received $100K.
Grant Size Distribution
22 grants across all recorded years
The most common grant size was under $50K: 22 grants of 22 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 4 itemized grants.
Cities
How The Thomsen Foundation gives
- Giving grew 67% from 2022 to 2025. Method
- In 2025 it paid out 121% of 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 $60K (2022) to $110K (2020). In 2025 it made 4 grants totaling $100K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Washington's National Park Fund Seattle, WA | For Exempt Purposes | $25,005 |
| Charity Water (Charity Global Inc) New York, NY | For Exempt Purposes | $25,000 |
| The Nature Conservancy Arlington, VA | For Exempt Purposes | $25,000 |
| Washington State University Foundation Pullman, WA | For Exempt Purposes | $25,000 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $1,109,565 | $126,255 | $137,476 | $100,005 | 4 | $104,713 | $93,492 | $86,823 |
| 2024 | $1,120,786 | $92,492 | $119,866 | $88,000 | 4 | $91,159 | $63,785 | $89,607 |
| 2023 | $1,148,160 | $60,728 | $111,183 | $80,000 | 6 | $82,835 | $26,999 | $81,440 |
| 2022 | $1,183,804 | $83,311 | $85,027 | $60,000 | 4 | $60,300 | $57,984 | $81,760 |
| 2021 | $1,185,394 | $26,428 | $110,458 | $90,000 | 4 | $94,174 | $10,144 | $97,380 |
| 2020 | $1,269,424 | $-9,657 | $129,061 | $110,000 | 6 | — | $8,094 | $80,472 |
Under IRS private-foundation payout rules, The Thomsen Foundation reported a distributable amount of $87K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
The Thomsen Foundation's 2025 filing lists 2 officers; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Lynn Thomsen
Director
On filings since 2020
1 hr/week
No compensation reported
Mikal Thomsen
Director
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 The Thomsen Foundation
How much does The Thomsen Foundation give each year?
The Thomsen Foundation gave $100K across 4 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $88K across 4 grants.
What is The Thomsen Foundation's typical grant size?
The Thomsen Foundation's median grant in 2025 was $25,000, and its average grant was $25,001, across 4 grants on its 2025 IRS Form 990-PF.
Where does The Thomsen Foundation give grants?
The Thomsen Foundation gives mostly in Washington: 50% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were New York (25%) and Virginia (25%).
How large is The Thomsen Foundation?
The Thomsen Foundation reported $1.1M in total assets on its 2025 IRS Form 990-PF. It paid out $105K in qualifying distributions that year, against a required minimum of $87K (roughly 5% of its investment assets).
What is The Thomsen Foundation's EIN?
The Thomsen Foundation's EIN (Employer Identification Number) is 91-2043791. 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 August 18, 2026)
- IRS filings on file for fiscal years 2020–2024
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Browse active grant opportunities in The Thomsen Foundation's focus areas in our free grants database
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