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Grantmaking foundations in Cos Cob, CT

10 grantmaking foundations in Cos Cob, Connecticut, ranked by recent giving reported to the IRS (about $10M combined).

Top foundations by giving

  1. The Grossman Family Foundation
    Cos Cob, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $7.5M (2024)
  2. Gw Foundation Tr
    Cos Cob, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $1M (2025)
  3. The Vervane Foundation Inc
    Cos Cob, CT
    $960K (2024)
  4. Greenwich Adult Day Care Trust Fund
    Cos Cob, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $450K (2025)
  5. Greenwich Adult Day Care Inc
    Cos Cob, CT · Diseases, Disorders and Medical Disciplines
    $310K (2025)
  6. The Greenwich Rotary Foundation
    Cos Cob, CT · Civil Rights, Social Action and Advocacy
    $58K (2026)
  7. Leah & Sophia Future Foundation
    Cos Cob, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $22K (2025)
  8. Boyd Family Foundation
    Cos Cob, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $16K (2025)
  9. James and Melissa Oshaughnessy Family Foundation
    Cos Cob, CT · Human Services
    $10K (2024)
  10. The@ocean View Foundation Inc
    Cos Cob, CT · Environment
    $3K (2024)

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Causes in Connecticut