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Grantmaking foundations in Bethesda, MD

263 grantmaking foundations in Bethesda, Maryland, ranked by recent giving reported to the IRS (about $1.6B combined).

Top foundations by giving

  1. Impactassets Inc
    Bethesda, MD · Crime and Legal-Related
    $590M (2024)
  2. Cystic Fibrosis Foundation
    Bethesda, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $200M (2024)
  3. Clark Charitable Foundation Inc
    Bethesda, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $200M (2024)
  4. J Willard and Alice S Marriott Foundation
    Bethesda, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $150M (2025)
  5. Diana Davis Spencer Foundation
    Bethesda, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $56M (2024)
  6. Global Communities Inc
    Bethesda, MD · Community Improvement and Capacity Building
    $38M (2025)
  7. So What Else Inc
    Bethesda, MD · Community Improvement and Capacity Building
    $31M (2024)
  8. Aviv Foundation Inc
    Bethesda, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $21M (2024)
  9. Association of Public Health Laboratories Inc
    Bethesda, MD · Community Improvement and Capacity Building
    $21M (2024)
  10. Bainum Family Foundation
    Bethesda, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $19M (2025)
  11. The Morningstar Philanthropic Foundation
    Bethesda, MD
    $17M (2024)
  12. Climate United Fund
    Bethesda, MD · Animal-Related
    $13M (2025)
  13. The Keith Campbell Foundation for the Environment Inc
    Bethesda, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $12M (2024)
  14. Educational Foundation of America
    Bethesda, MD
    $9.7M (2024)
  15. Clark-Winchcole Foundation
    Bethesda, MD
    $8.9M (2024)
  16. Meyer and Deanne Sharlin Foundation
    Bethesda, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $8.1M (2025)
  17. Vose River Charitable Fund
    Bethesda, MD · Human Services
    $6.8M (2024)
  18. Rast Foundation
    Bethesda, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $5.8M (2025)
  19. Marriott Daughters Foundation
    Bethesda, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $5.7M (2025)
  20. Solon E Summerfield Foundation Inc
    Bethesda, MD
    $5.6M (2024)
  21. Naomi and Nehemiah Cohen Foundation Virginia Corporation
    Bethesda, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $5.6M (2024)
  22. Cornell Douglas Foundation Inc
    Bethesda, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $5.4M (2025)
  23. Richard E and Nancy P Marriott Foundation Inc
    Bethesda, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $5.3M (2025)
  24. Mead Family Foundation
    Bethesda, MD
    $5M (2025)
  25. Calvert Impact Inc
    Bethesda, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $5M (2022)

Showing the top 100 by giving. Search all 263 with a free account.

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Causes in Maryland