GrantAuthority

Grantmaking foundations in Connecticut

2,295 grantmaking foundations in Connecticut, ranked by recent giving reported to the IRS (about $7.7B combined).

Top foundations by giving

  1. Americares Foundation Inc
    Stamford, CT · Arts, Culture and Humanities
    $1.8B (2024)
  2. Boehringer Ingelheim Cares Foundation Inc
    Ridgefield, CT · Education
    $1.6B (2024)
  3. Yale University
    New Haven, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $800M (2024)
  4. Save the Children Federation Inc
    Fairfield, CT · Community Improvement and Capacity Building
    $630M (2024)
  5. The Childrens Investment Fund Foundation
    West Hartford, CT
    $150M (2022)
  6. Sacred Heart University
    Fairfield, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $140M (2024)
  7. Alexion Access Foundation
    New Haven, CT · Health Care
    $140M (2024)
  8. Steven & Alexandra Cohen Foundation Inc
    Stamford, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $130M (2023)
  9. Connecticut Foodshare Inc
    Wallingford, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $100M (2025)
  10. Wesleyan University
    Middletown, CT · Public and Societal Benefit
    $86M (2024)
  11. Connecticut Childrens Foundation Inc
    Hartford, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $80M (2024)
  12. Dalio Family Fund Inc
    Westport, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $74M (2024)
  13. University of Connecticut Foundation Incorporated
    Storrs, CT · Community Improvement and Capacity Building
    $64M (2025)
  14. Stanley Family Foundation
    Norwalk, CT
    $61M (2024)
  15. Hartford Foundation for Public Giving
    Hartford, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $55M (2024)
  16. Dalio Foundation Inc
    Westport, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $42M (2024)
  17. KPMG Llp
    New Haven, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $40M (2022)
  18. Knights of Columbus
    New Haven, CT · Arts, Culture and Humanities
    $33M (2024)
  19. Zoom Foundation
    Greenwich, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $30M (2024)
  20. Cohen Veterans Network Inc
    Stamford, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $29M (2024)
  21. Deloitte Foundation
    Stamford, CT · Community Improvement and Capacity Building
    $28M (2025)
  22. Fairfield Countys Community Foundation Inc
    Norwalk, CT · Mental Health and Crisis Intervention
    $27M (2025)
  23. Connecticut Bar Foundation Inc
    Hartford, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $27M (2024)
  24. Board of Trustees of the Sheffield Scientific School
    New Haven, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $26M (2024)
  25. Community Foundation for Greater New Haven
    New Haven, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $24M (2024)

Showing the top 100 by giving. Search all 2,295 with a free account.

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Cities in Connecticut

Causes in Connecticut