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Grantmaking foundations in Los Altos, CA

137 grantmaking foundations in Los Altos, California, ranked by recent giving reported to the IRS (about $1B combined).

Top foundations by giving

  1. David and Lucile Packard Foundation
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $520M (2024)
  2. The Heising-Simons Foundation
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $210M (2024)
  3. Los Altos Community Foundation
    Los Altos, CA · Crime and Legal-Related
    $80M (2025)
  4. The Grove Foundation
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $43M (2025)
  5. Daffy Charitable Fund
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $40M (2024)
  6. Anne Wojcicki Foundation
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $22M (2024)
  7. Heising-Simons Action Fund
    Los Altos, CA · Human Services
    $16M (2024)
  8. Troper Wojcicki Foundation
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $15M (2024)
  9. Wadhwani Institute for Artificial Intelligence Foundation
    Los Altos, CA · Science and Technology
    $7M (2024)
  10. Wadhwani Charitable Foundation
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $6.3M (2024)
  11. Ronald & Ann Williams Charitable Foundation
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $6.3M (2024)
  12. James and Rebecca Morgan Charitable Foundation
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $6.1M (2025)
  13. Bullis-Purissima Elementary School Foundation
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $5.5M (2024)
  14. Packard Humanities Institute
    Los Altos, CA
    $4.3M (2024)
  15. Grove Action Fund
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $4.2M (2025)
  16. Beavers Charitable Trust
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $3.7M (2025)
  17. Fat Tire Foundation
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $3.1M (2024)
  18. Los Altos Educational Foundation
    Los Altos, CA · Crime and Legal-Related
    $2.6M (2025)
  19. Mountain View Los Altos High School Foundation
    Los Altos, CA · Mental Health and Crisis Intervention
    $2.4M (2025)
  20. Strongpoint Foundation
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $2.1M (2025)
  21. Association for Continuing Education
    Los Altos, CA · Health Care
    $1.9M (2026)
  22. The Ark Watch Foundation
    Los Altos, CA · Animal-Related
    $1.6M (2024)
  23. Faithful Servants Foundation
    Los Altos, CA · Education
    $1.6M (2025)
  24. Kung Guerra Foundation
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $1.6M (2024)
  25. Radheya
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $1.2M (2024)

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Causes in California