Grantmaking foundations in Stamford, CT

172 grantmaking foundations in Stamford, Connecticut, ranked by recent giving reported to the IRS (about $2.3B combined).

Top foundations by giving (page 2)

26. Nielsen Foundation Inc

    Stamford, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $1.9M (2025)
27. Friends of the Cornell Lab of Ornithology Inc

    Stamford, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $1.8M (2024)
28. Jjj Charitable Foundation

    Stamford, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $1.7M (2024)
29. Garden Homes Fund

    Stamford, CT · Education
    $1.5M (2025)
30. United Jewish Federation of Stamford

    Stamford, CT · Science and Technology
    $1.4M (2025)
31. Keep America Beautiful Inc

    Stamford, CT · Food, Agriculture and Nutrition
    $1.4M (2024)
32. American Pet Products Association Inc

    Stamford, CT · Mental Health and Crisis Intervention
    $1.4M (2024)
33. Clementine Lockwood Peterson Foundation

    Stamford, CT · Community Improvement and Capacity Building
    $1.2M (2025)
34. James and Amy Bennett Foundation

    Stamford, CT · Education
    $1.2M (2025)
35. Hughes Holden Foundation

    Stamford, CT · Human Services
    $1.2M (2024)
36. American University in Kosovo Foundation

    Stamford, CT · Animal-Related
    $1.1M (2024)
37. Soldier Strong Inc

    Stamford, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $1.1M (2024)
38. Zimmel Family Foundation

    Stamford, CT
    $1M (2025)
39. Geraldine W and Robert J Dellenback Foundation Inc

    Stamford, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $930K (2025)
40. Friends of Laurel House Inc

    Stamford, CT · Mental Health and Crisis Intervention
    $850K (2025)
41. Radio Drama Network Inc

    Stamford, CT
    $810K (2025)
42. Manoff Foundation

    Stamford, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $810K (2022)
43. Carle C Conway Scholarship Foundation

    Stamford, CT
    $770K (2025)
44. Louis J and June E Kay Foundation

    Stamford, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $760K (2025)
45. Pkf O'Connor Davies Llp

    Stamford, CT · Mental Health and Crisis Intervention
    $750K (2022)
46. James P & Genevieve M Mclaughlin Family Foundation

    Stamford, CT
    $730K (2025)
47. B L Manger Foundation Inc

    Stamford, CT
    $700K (2026)
48. Martha Washington Straus-Harry H Straus Foundation Inc

    Stamford, CT
    $700K (2025)
49. Windmill Foundation Inc

    Stamford, CT
    $640K (2026)
50. First County Bank Foundation Inc

    Stamford, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $620K (2025)

Showing the top 100 by giving. Search all 172 with a free account.