GrantAuthority

Grantmaking foundations in Greenwich, CT

227 grantmaking foundations in Greenwich, Connecticut, ranked by recent giving reported to the IRS (about $240M combined).

Top foundations by giving (page 4)

  1. Partnership to Address Global Emissions Inc
    Greenwich, CT · Community Improvement and Capacity Building
    $330K (2024)
  2. Mcavity Family Foundation
    Greenwich, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $320K (2024)
  3. Pkf O'Connor Davies Advisory LLC
    Greenwich, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $300K (2025)
  4. Alpha-Omega Charitable Foundation Inc
    Greenwich, CT
    $300K (2025)
  5. Simmons Family Foundation Inc
    Greenwich, CT
    $290K (2025)
  6. Finn Fam Foundation Inc
    Greenwich, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $280K (2024)
  7. Mattis Family Foundation
    Greenwich, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $280K (2025)
  8. Ansell Family Foundation Inc
    Greenwich, CT · Health Care
    $280K (2024)
  9. Ianniello Family Charitable Tr
    Greenwich, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $280K (2025)
  10. Crow Hill Foundation Tr
    Greenwich, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $260K (2025)
  11. Inclusive Abundance Initiative Inc
    Greenwich, CT · Crime and Legal-Related
    $260K (2024)
  12. Brant Foundation Inc
    Greenwich, CT · Arts, Culture and Humanities
    $250K (2022)
  13. The Higgins Family Foundation
    Greenwich, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $250K (2023)
  14. Elizabeth Sprague Stout Foundation
    Greenwich, CT
    $240K (2024)
  15. Susan and Eliot Black Foundation
    Greenwich, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $230K (2025)
  16. Johnson-Stillman Family Foundation Tr
    Greenwich, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $230K (2024)
  17. David & Karen Pecker Foundation
    Greenwich, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $230K (2024)
  18. Alexander Host Foundation Inc
    Greenwich, CT
    $230K (2025)
  19. Raymond Falk Foundation
    Greenwich, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $230K (2025)
  20. Floren Family Foundation
    Greenwich, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $220K (2025)
  21. Caplan Fam Foundation Tr Agreement 102700
    Greenwich, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $220K (2024)
  22. Danas Angels Research Tr
    Greenwich, CT · Animal-Related
    $220K (2024)
  23. Hartong Family Foundation
    Greenwich, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $220K (2025)
  24. Arora Foundation Inc
    Greenwich, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $210K (2025)
  25. Robert G Burton Charitable Foundation
    Greenwich, CT
    $210K (2025)

Showing the top 100 by giving. Search all 227 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