Private foundation · EIN 91-2043791 · Seattle, Washington · Philanthropy & grantmaking

The Thomsen Foundation

Should you approach them?

Don't send a cold proposal. The foundation reports that it only gives to preselected organizations; an introduction through a current grantee or board member is the realistic route.

From the 2025 Form 990-PF: 4 grants paid, $100K total, median $25K. 50% of grants stayed in Washington.

Accepts applications
No
per 990-PF Part XV
Grants paid, 2025
4
$100K
Median grant
$25K
Stays in WA
50%
of grants
Deadline
—
Assets
$1.1M

Grants paid in 2025

4 grants, all shown · from Form 990-PF Part XV

RecipientPurposeAmount
Washington's National Park FundSeattle, WAFor exempt purposes$25K
Charity Water (charity Global Inc)New York, NYFor exempt purposes$25K
The Nature ConservancyArlington, VAFor exempt purposes$25K
Washington State University FoundationPullman, WAFor exempt purposes$25K

By state: Washington 2 · New York 1 · Virginia 1

About this foundation

The Thomsen Foundation is a private grantmaking foundation in Seattle, Washington, administered in care of Mikal Thomsen, tax-exempt since 2013. Private foundations must pay out roughly 5% of their assets each year, mostly as grants to 501(c)(3) public charities.

All filings on ProPublica

Does The Thomsen Foundation accept grant applications?

No. On its 2025 Form 990-PF the foundation checked that it only makes contributions to preselected organizations. Look for an introduction through a current grantee.

How much does The Thomsen Foundation give each year?

In tax year 2025 it paid $100K across 4 grants, a median of $25K.

Where does The Thomsen Foundation give?

Washington (2 grants), New York (1 grants), Virginia (1 grants), per its latest filing.

More foundations near Seattle that accept applications

All in Washington
FoundationBased inGrants paidMedian grantAccepts applicationsAssets
Gates Foundationsince 2007 Seattle, WA $6.3B4,974 grants · 2024 $500KYes $77B
Satterberg Foundationsince 1991 Seattle, WA $43M286 grants · 2024 $125KYes $447M
Norcliffe Foundationsince 1954 Seattle, WA $56M454 grants · 2024 $20KYes $815M
Schultz Family Foundationsince 1998 Seattle, WA $12M66 grants · 2024 $100KYes $375M
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