GrantAuthority

Philanthropy, Voluntarism and Grantmaking Foundations foundations in Washington

1,432 grantmaking foundations in Washington focused on philanthropy, voluntarism and grantmaking foundations, ranked by recent giving reported to the IRS (about $14B combined).

Top foundations by giving

  1. Gates Foundation Trust
    Seattle, WA
    $8.1B (2024)
  2. Gates Foundation
    Seattle, WA
    $2.5B (2024)
  3. Pivotal Philanthropies Foundation
    Redmond, WA
    $950M (2024)
  4. Bezos Family Foundation
    Seattle, WA
    $350M (2024)
  5. Seattle Childrens Foundation
    Seattle, WA
    $210M (2025)
  6. University of Washington Foundation
    Seattle, WA
    $180M (2025)
  7. M J Murdock Charitable Trust
    Vancouver, WA
    $150M (2024)
  8. Aldarra Foundation
    Seattle, WA
    $100M (2024)
  9. Breakthrough Energy Foundation
    Kirkland, WA
    $100M (2024)
  10. Washington State University Foundation
    Pullman, WA
    $85M (2025)
  11. Inatai Foundation
    Seattle, WA
    $71M (2024)
  12. Roots and Wings Foundation Inc
    Seattle, WA
    $49M (2024)
  13. Allen Family Philanthropies
    Seattle, WA
    $47M (2024)
  14. Satterberg Foundation
    Seattle, WA
    $43M (2024)
  15. Catholic Community Services of Western Washington
    Seattle, WA
    $40M (2025)
  16. Scholar Fund
    Seattle, WA
    $39M (2023)
  17. Community Foundation for Southwest Washington
    Vancouver, WA
    $32M (2024)
  18. Benaroya Research Institute at Virginia Mason
    Seattle, WA
    $29M (2025)
  19. Nia Tero Foundation
    Seattle, WA
    $23M (2024)
  20. Thrive Causemetics Foundation
    Bellevue, WA
    $21M (2025)
  21. Allen Institute
    Seattle, WA
    $21M (2024)
  22. Friends of Seattle Waterfront
    Seattle, WA
    $20M (2024)
  23. Wilburforce Foundation
    Seattle, WA
    $19M (2024)
  24. Washington Association of Sheriffs and Police Chiefs
    Lacey, WA
    $18M (2024)
  25. Larry Benaroya Family Foundation
    Bellevue, WA
    $17M (2025)

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Cities in Washington