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Grantmaking foundations in Stonington, CT

18 grantmaking foundations in Stonington, Connecticut, ranked by recent giving reported to the IRS (about $8.1M combined).

Top foundations by giving

  1. Coast Guard Foundation Inc
    Stonington, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $5.8M (2025)
  2. New England Science & Sailing Foundation Inc
    Stonington, CT · Recreation and Sports
    $710K (2025)
  3. James P Verhalen Family Foundation Inc
    Stonington, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $320K (2024)
  4. Edward Miller Est Residue Cotr Uw 323-306148840
    Stonington, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $280K (2025)
  5. Wimpfheimer Foundation Inc
    Stonington, CT
    $210K (2025)
  6. Eugene Atwood Fund
    Stonington, CT
    $140K (2026)
  7. The Woodhaven Foundation
    Stonington, CT · Unknown
    $130K (2025)
  8. Crane Charitable Trust
    Stonington, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $110K (2025)
  9. Sergio Franchi Music Foundation
    Stonington, CT · Arts, Culture and Humanities
    $85K (2025)
  10. Rotary Foundation of the Stoningtons Inc
    Stonington, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $81K (2025)
  11. James Merrill House Foundation
    Stonington, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $47K (2024)
  12. Mpmm Foundation Inc
    Stonington, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $44K (2025)
  13. Robert G Youngs Family Foundation Inc
    Stonington, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $36K (2025)
  14. Castle Family Foundation
    Stonington, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $30K (2025)
  15. Friends of Stonington Crew Inc
    Stonington, CT · Human Services
    $28K (2025)
  16. The@michael M Wiseman and Helen a Garten Charitable Foundation
    Stonington, CT · Philanthropy, Voluntarism and Grantmaking Foundations
    $20K (2025)
  17. Fromson Foundation Inc
    Stonington, CT
    $5K (2024)
  18. Marine Chemists Assn Inc
    Stonington, CT
    $2.3K (2022)

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