GrantAuthority

Grantmaking foundations in New Haven, CT

124 grantmaking foundations in New Haven, Connecticut, ranked by recent giving reported to the IRS (about $1.3B combined).

Top foundations by giving

  1. Yale University
    New Haven, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $860M (2025)
  2. Alexion Access Foundation
    New Haven, CT · Health Care
    $130M (2025)
  3. KPMG Llp
    New Haven, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $40M (2022)
  4. Knights of Columbus
    New Haven, CT · Arts, Culture and Humanities
    $33M (2024)
  5. Board of Trustees of the Sheffield Scientific School
    New Haven, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $27M (2025)
  6. Community Foundation for Greater New Haven
    New Haven, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $24M (2024)
  7. Knights of Columbus Charities Inc
    New Haven, CT · Health Care
    $14M (2024)
  8. Connecticut Project Inc
    New Haven, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $11M (2024)
  9. Yale New Haven Hospital
    New Haven, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $9.4M (2025)
  10. United Way of Greater New Haven Inc
    New Haven, CT · Science and Technology
    $8.2M (2025)
  11. Leon Lowenstein Foundation Inc
    New Haven, CT
    $8M (2025)
  12. Workforce Alliance Inc
    New Haven, CT · Human Services
    $7.2M (2025)
  13. The Risc Foundation Inc
    New Haven, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $6.8M (2024)
  14. National Diaper Bank Network
    New Haven, CT · Civil Rights, Social Action and Advocacy
    $6.4M (2025)
  15. Gruber Foundation
    New Haven, CT · Medical Research
    $6.1M (2025)
  16. Southern Connecticut State University Foundation Inc
    New Haven, CT · Youth Development
    $4.9M (2025)
  17. New Haven Promise Inc
    New Haven, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $4.8M (2025)
  18. Jane Coffin Childs Memorial Fund for Medical Research
    New Haven, CT
    $4.1M (2025)
  19. The Emily Hall Tremaine Foundation Inc
    New Haven, CT
    $4M (2024)
  20. Mw Healthcare Inc
    New Haven, CT · Public Safety, Disaster Preparedness and Relief
    $3.9M (2025)
  21. Innovations for Poverty Action
    New Haven, CT · Crime and Legal-Related
    $3.5M (2024)
  22. Achievement First Inc
    New Haven, CT · Arts, Culture and Humanities
    $3.1M (2025)
  23. John B Pierce Foundation
    New Haven, CT · Civil Rights, Social Action and Advocacy
    $2.9M (2024)
  24. Prevail Fund
    New Haven, CT · International, Foreign Affairs and National Security
    $2.8M (2024)
  25. Yale New Haven Health Services Corporation
    New Haven, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $2.7M (2025)

Showing the top 100 by giving. Search all 124 with a free account.

Find the right funders faster. Filter every foundation by location, cause, giving size and openness, and see full grantee histories, with a free GrantAuthority account.

Create free account

Causes in Connecticut