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Nonprofits in SEATTLE, WA

5,049 tax-exempt organizations with a return on IRS file.

Largest nonprofits in SEATTLE by revenue

Top 5s in SEATTLE

Most raised in gifts and grants

Contributions, gifts and grants received in the year

  1. 1Gates Foundation990-PF, year ended Dec 2024$8.1B
  2. 2Fund for Science and Technology990-PF, year ended Aug 2025$3.2B
  3. 3Fred Hutchinson Cancer Center990, year ended Jun 2025$705.2M
  4. 4Seattle Childrens Hospital990, year ended Sep 2025$385.7M
  5. 5Bezos Family Foundation990-PF, year ended Dec 2024$329.9M

Largest reserves

Net assets (fund balance) at year end

  1. 1Gates Foundation990-PF, year ended Dec 2024$72.7B
  2. 2Seattle Childrens Hospital990, year ended Sep 2025$4.1B
  3. 3Providence Health & Services Oregon990, year ended Dec 2024$4B
  4. 4Fund for Science and Technology990-PF, year ended Aug 2025$3.1B
  5. 5Casey Family Programs990-PF, year ended Dec 2024$2.6B

Highest-paid people

Compensation from the organization and related organizations, including other pay

  1. 1Mitchke MarkPresident & Chief Executive Officer · Delta Dental of Washington$4.7M
  2. 2Jeff Sperring MDCEO/Non-Voting Ex Officio Trustee · Seattle Childrens Healthcare System$2.9M
  3. 3Thomas J Lynch MDPresident & Director · Fred Hutchinson Cancer Center$2.6M
  4. 4Ari Robicsek MDDirector · Institute for Systems Biology$2.2M
  5. 5Ali FarhadiChief Executive Officer · The Allen Institute for Artificial Intelligence$2.1M

All nonprofits in SEATTLE, A–Z (page 1 of 51)