Private foundations · 990-PF data
Foundations in Connecticut
- 1,149
- foundations
- $2.75B
- grants paid, FY2023–FY2025
- 235
- say they accept unsolicited
- $5,500
- median grant
Grantlas lists 1,149 private foundations based in Connecticut, from their 990-PF filings for FY2023–FY2025. Together they paid out $2.75 billion in grants in their latest filing year, and 235 of them (20%) say they accept unsolicited requests. The most common cities are Greenwich (116), Stamford (101) and West Hartford (62).
Top 25 of 1,149 foundations
All 25 foundations below say on their 990-PF that they accept unsolicited requests. Another 210 in this list say so too. Ranked by what they paid in grants in their latest filing.
| Funder | Median grant | Grants paid, latest filing | Grant range | Filing year | Fit score & contacts |
|---|---|---|---|---|---|
| Boehringer Ingelheim Cares Foundation IncRidgefield, CT | $1.79B | $1.99B | $1.59B–$1.99B | FY2025 | |
| Alexion Access FoundationNew Haven, CT | $18.1M | $131.9M | $121,176–$70.4M | FY2025 | |
| The Fb Heron FoundationNew Haven, CT | $2,500 | $14.8M | $100–$10M | FY2024 | |
| E Matilda Ziegler Foundation for theGreenwich, CT | $3.3M | $9.9M | $3M–$3.6M | FY2024 | |
| Rhoda & David Chase FamilyHartford, CT | $2,917 | $4.5M | $36–$2.5M | FY2024 | |
| The Jane Coffin Childs Memorial Fund forNew Haven, CT | $73,800 | $4.1M | $4,200–$114,000 | FY2024 | |
| The Patrick and Catherine WeldonWest Hartford, CT | $155,610 | $3.6M | $44,915–$275,000 | FY2025 | |
| American Savings Foundation IncNew Britain, CT | $1,750 | $3.4M | $234–$150,000 | FY2025 | |
| Silver Family FoundationDarien, CT | $35,000 | $3.2M | $5,000–$500,000 | FY2024 | |
| Avangrid Foundation IncOrange, CT | $20,000 | $3.2M | $5,000–$574,911 | FY2025 | |
| John Brown Cook FoundationChester, CT | $150,000 | $3.1M | $50,000–$450,000 | FY2025 | |
| The Elinor Patterson Baker FoundationGreenwich, CT | $2.9M | $3M | $2.9M–$3M | FY2025 | |
| Sullivan FoundationWest Hartford, CT | $6,000 | $2.5M | $1,000–$1.3M | FY2025 | |
| The Maximilian E and Marion O HoffmanWest Hartford, CT | $19,000 | $2.1M | $2,500–$250,000 | FY2024 | |
| Dellora a & Lester J Norris FoundationGreenwich, CT | $1.8M | $2M | $1.6M–$2M | FY2025 | |
| Henry E Niles Foundation IncSouthbury, CT | $1.8M | $1.8M | One amount | FY2025 | |
| Anne and Rollin Bates Foundation IncHartford, CT | $30,000 | $1.7M | $5,000–$250,000 | FY2025 | |
| Sbm Charitable Foundation IncManchester, CT | $8,000 | $1.7M | $100–$105,200 | FY2025 | |
| Laura J Niles Foundation IncSouthbury, CT | $1.5M | $1.5M | One amount | FY2025 | |
| The Crew Family Foundation IncPlainville, CT | $15,000 | $1.3M | $500–$521,037 | FY2023 | |
| Beagary Charitable TrustBrooklyn, CT | $9,500 | $1.2M | $300–$166,666 | FY2025 | |
| Ifs Family Foundation IncOld Greenwich, CT | $20,000 | $1.2M | $5,000–$1M | FY2025 | |
| Meriden FoundationWaterbury, CT | $5,000 | $1.2M | $800–$43,000 | FY2024 | |
| Tauck Family FoundationWilton, CT | $20,000 | $1.2M | $100–$110,900 | FY2025 | |
| The Robert & Margaret Patricelli FamilySimsbury, CT | $2,350 | $1.2M | $100–$510,000 | FY2024 |
- Median grant and grant range come from the grant schedule of the 990-PF. A dash means that foundation filed none, and “one amount” means every grant it filed was for the same figure.
Data from 990-PF filings, FY2023–FY2025. Updated September 20, 2026.