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Grantmaking foundations in Seattle, WA

864 grantmaking foundations in Seattle, Washington, ranked by recent giving reported to the IRS (about $14B combined).

Top foundations by giving

  1. Gates Foundation Trust
    Seattle, WA · Philanthropy, Voluntarism and Grantmaking Foundations
    $8.1B (2024)
  2. Gates Foundation
    Seattle, WA · Philanthropy, Voluntarism and Grantmaking Foundations
    $2.5B (2024)
  3. The Seattle Foundation
    Seattle, WA · Crime and Legal-Related
    $210M (2024)
  4. University of Washington Foundation
    Seattle, WA · Philanthropy, Voluntarism and Grantmaking Foundations
    $180M (2025)
  5. Bezos Family Foundation
    Seattle, WA · Philanthropy, Voluntarism and Grantmaking Foundations
    $160M (2023)
  6. Greater Good Charities
    Seattle, WA · Diseases, Disorders and Medical Disciplines
    $140M (2025)
  7. Food Lifeline
    Seattle, WA · Mental Health and Crisis Intervention
    $140M (2025)
  8. Seattle Childrens Foundation
    Seattle, WA · Philanthropy, Voluntarism and Grantmaking Foundations
    $140M (2024)
  9. Fred Hutchinson Cancer Center
    Seattle, WA · Community Improvement and Capacity Building
    $120M (2024)
  10. Aldarra Foundation
    Seattle, WA · Philanthropy, Voluntarism and Grantmaking Foundations
    $80M (2023)
  11. Path
    Seattle, WA · Community Improvement and Capacity Building
    $79M (2024)
  12. Amazonsmile Foundation
    Seattle, WA
    $73M (2023)
  13. Inatai Foundation
    Seattle, WA · Philanthropy, Voluntarism and Grantmaking Foundations
    $71M (2024)
  14. Gates Philanthropy Partners
    Seattle, WA · Diseases, Disorders and Medical Disciplines
    $63M (2024)
  15. The Holocene Foundation
    Seattle, WA
    $60M (2024)
  16. Catholic Community Services of Western Washington
    Seattle, WA · Philanthropy, Voluntarism and Grantmaking Foundations
    $57M (2024)
  17. Seattle Childrens Hospital
    Seattle, WA · Public and Societal Benefit
    $50M (2024)
  18. Roots and Wings Foundation Inc
    Seattle, WA · Philanthropy, Voluntarism and Grantmaking Foundations
    $49M (2024)
  19. Allen Family Philanthropies
    Seattle, WA · Philanthropy, Voluntarism and Grantmaking Foundations
    $47M (2024)
  20. United Way of King County
    Seattle, WA · Science and Technology
    $46M (2024)
  21. Satterberg Foundation
    Seattle, WA · Philanthropy, Voluntarism and Grantmaking Foundations
    $45M (2023)
  22. Norcliffe Foundation
    Seattle, WA
    $42M (2023)
  23. Scholar Fund
    Seattle, WA · Philanthropy, Voluntarism and Grantmaking Foundations
    $39M (2023)
  24. Benaroya Research Institute at Virginia Mason
    Seattle, WA · Philanthropy, Voluntarism and Grantmaking Foundations
    $38M (2024)
  25. Sea Mar Community Health Centers
    Seattle, WA · Community Improvement and Capacity Building
    $35M (2025)

Showing the top 100 by giving. Search all 864 with a free account.

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Causes in Washington