GrantAuthority

Grantmaking foundations in Connecticut

2,353 grantmaking foundations in Connecticut, ranked by recent giving reported to the IRS (about $8.6B combined).

Top foundations by giving (page 4)

  1. Greens Farms Academy Inc
    Greens Farms, CT · Diseases, Disorders and Medical Disciplines
    $7M (2025)
  2. Falcetta Wachtel & Knochenhauer LLC
    New Britain, CT · Human Services
    $6.9M (2025)
  3. Jewish Community Foundation of Greater Hartford Inc
    West Hartford, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $6.8M (2025)
  4. The Risc Foundation Inc
    New Haven, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $6.8M (2024)
  5. Connecticut Alliance to End Sexual Violence Inc
    East Hartford, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $6.6M (2025)
  6. Mcchord Foundation
    Norwalk, CT · Human Services
    $6.6M (2024)
  7. Leslie B Barrett Foundation
    Stamford, CT
    $6.6M (2022)
  8. Azcat Foundation
    Greenwich, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $6.6M (2025)
  9. National Diaper Bank Network
    New Haven, CT · Civil Rights, Social Action and Advocacy
    $6.4M (2025)
  10. William Caspar Graustein Memorial Fund
    Hamden, CT
    $6.2M (2024)
  11. The Greenwich Hospital Endowment Fund
    Greenwich, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $6.2M (2025)
  12. Worldquant Foundation
    Old Greenwich, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $6.2M (2024)
  13. Oak Hill Foundation Inc
    Hartford, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $6.2M (2025)
  14. Mcinerney Family Foundation
    Westport, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $6.1M (2026)
  15. Gruber Foundation
    New Haven, CT · Medical Research
    $6.1M (2025)
  16. The Patrick and Catherine Donaghue Medical Research Foundation
    West Hartford, CT
    $6M (2025)
  17. Royce Family Fund Inc
    Greenwich, CT
    $5.9M (2024)
  18. Foundations in Education Inc
    Bridgeport, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $5.9M (2025)
  19. Coast Guard Foundation Inc
    Stonington, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $5.8M (2025)
  20. Pomfret School Incorporated
    Pomfret, CT · Human Services
    $5.7M (2025)
  21. 1772 Foundation Inc
    Pomfret Center, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $5.7M (2024)
  22. Bauer Foundation Inc
    New Canaan, CT
    $5.5M (2025)
  23. Rett Syndrome Research Trust Inc
    Trumbull, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $5.4M (2025)
  24. Martino Family Foundation
    New Canaan, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $5.4M (2024)
  25. Journey Home Incorporated
    Hartford, CT · Employment
    $5.4M (2025)

Showing the top 100 by giving. Search all 2,353 with a free account.

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