Sponsor a PurposeFoundations and grantmakers in Connecticut
2,272 grantmaking foundations based in Connecticut, from public IRS 990 filings. The table shows the 100 most active by total giving on file.
Animal welfare (17)Arts and culture (69)Community development (27)Education (134)Environment (18)General grantmaking (968)Health (35)Human services (50)Medical research (8)Religion (12)Youth and recreation (35)
| Foundation | City | Grants on file | Total given | Avg grant |
|---|---|---|---|---|
| Boehringer Ingelheim Cares Foundation Inc | Ridgefield | 11 | $11.2B | $1.0B |
| Alexion Access Foundation | New Haven | 54 | $1.0B | $19.0M |
| Steven & Alexandra Cohen Foundation Inc | Stamford | 1284 | $985.5M | $767K |
| The Zoom Foundation | Greenwich | 19 | $496.6M | $26.1M |
| Stanley Family Foundation | Norwalk | 175 | $456.2M | $2.6M |
| Cohen Veterans Network Inc | Stamford | 348 | $308.1M | $885K |
| The Childrens Investment Fund Foundation | West Hartford | 162 | $306.1M | $1.9M |
| The Tow Foundation Inc | New Canaan | 3045 | $280.5M | $92K |
| Seedlings Foundation | Branford | 939 | $238.3M | $254K |
| Dalio Foundation Inc | Westport | 721 | $177.8M | $247K |
| Ge Foundation | Norwalk | 40901 | $176.1M | $4K |
| The Fb Heron Foundation | New Milford | 1580 | $168.1M | $106K |
| Synchrony Foundation | Stamford | 13954 | $159.8M | $11K |
| Halvorsen Family Foundation | Greenwich | 192 | $149.9M | $781K |
| The Sage Foundation Inc | Greenwich | 7 | $117.2M | $16.7M |
| Newman's Own Foundation | Westport | 2259 | $112.2M | $50K |
| The Melville Charitable Trust Inc | New Haven | 643 | $107.6M | $167K |
| Leon Lowenstein Foundation Inc | New Haven | 1484 | $107.1M | $72K |
| Peoples United Community Foundation | Bridgeport | 436 | $84.8M | $194K |
| The Leandro P Rizzuto Foundation | Stamford | 1180 | $83.1M | $70K |
| Lone Pine Foundation Inc | Greenwich | 8 | $78.4M | $9.8M |
| Silver Family Foundation | Darien | 502 | $76.7M | $153K |
| The Grossman Family Foundation | Cos Cob | 17 | $71.6M | $4.2M |
| The Leir Foundation Inc | Ridgefield | 26 | $70.7M | $2.7M |
| The Rutledge Family Foundation | Greenwich | 235 | $65.3M | $278K |
| The Perrin Family Foundation | Old Greenwich | 243 | $58.4M | $240K |
| The Harold W Mcgraw Jr Family | Stamford | 89 | $57.6M | $647K |
| Jean and David W Wallace Foundation Inc | New Canaan | 173 | $55.7M | $322K |
| Andrew J & Joyce D Mandell Family | Newington | 324 | $55.3M | $171K |
| Royce Family Fund Inc | Greenwich | 1104 | $54.1M | $49K |
| Low Road Foundation | Sharon | 12 | $53.2M | $4.4M |
| The Bauer Foundation Inc | Wilton | 437 | $52.1M | $119K |
| The Martino Family Foundation | New Canaan | 175 | $51.6M | $295K |
| The Pay It Forward Foundation | Darien | 36 | $51.4M | $1.4M |
| Town Fair Tire Foundation Inc | East Haven | 499 | $50.5M | $101K |
| Azcat Foundation | Greenwich | 12 | $50.2M | $4.2M |
| The Josef and Anni Albers | Bethany | 205 | $48.3M | $235K |
| Jane Coffin Childs Memorial Fund for | New Haven | 887 | $47.2M | $53K |
| The Bok Family Foundation | Canaan | 249 | $46.8M | $188K |
| The Storr Family Foundation | Stamford | 42 | $46.4M | $1.1M |
| Worldquant Foundation | Old Greenwich | 59 | $46.3M | $785K |
| Viking Global Foundation Inc | Greenwich | 3869 | $46.1M | $12K |
| Edward John Noble Foundation Inc | New Milford | 233 | $45.4M | $195K |
| The Tudor Foundation Inc | Stamford | 688 | $43.7M | $64K |
| General Atlantic Foundation | Stamford | 409 | $43.2M | $106K |
| American Savings Foundation Inc | New Britain | 7207 | $41.8M | $6K |
| Cunniffe Family Foundation | Greenwich | 73 | $40.6M | $556K |
| Twenty-Seven Foundation | East Hartford | 463 | $40.6M | $88K |
| 1772 Foundation Inc | Pomfret Center | 890 | $40.5M | $46K |
| Eversource Energy Foundation Inc | Hartford | 3428 | $40.1M | $12K |
| Harbor Lights Foundation | Riverside | 13 | $39.2M | $3.0M |
| Avangrid Foundation Inc | Orange | 1282 | $38.5M | $30K |
| William Caspar Graustein Memorial Fund | Hamden | 1394 | $37.9M | $27K |
| The Wolverine Foundation | Greenwich | 247 | $37.8M | $153K |
| The Herb Chambers Charitable Foundation | Glastonbury | 411 | $37.5M | $91K |
| Aetna Foundation Inc | Hartford | 18449 | $36.2M | $2K |
| The Vranos Foundation | Old Greenwich | 421 | $36.1M | $86K |
| Brothers Brook Foundation | New Canaan | 524 | $34.8M | $66K |
| Wings for Things Foundation Inc | Sandy Hook | 175 | $34.5M | $197K |
| The Selander Foundation | Greenwich | 150 | $33.8M | $225K |
| The Pitch Foundation | Riverside | 12 | $32.8M | $2.7M |
| Margery Jones Tr | Monroe | 66 | $32.5M | $492K |
| The Hscc Stone Family Foundation | Norwalk | 32 | $32.0M | $1.0M |
| Lego Community Fund Us Inc | Enfield | 427 | $32.0M | $75K |
| E Matilda Ziegler Foundation for the | Darien | 77 | $31.6M | $410K |
| John Brown Cook Foundation | Chester | 158 | $30.7M | $194K |
| Odyssey Group Foundation | Stamford | 312 | $30.2M | $97K |
| Metropoulos Family Foundation | Greenwich | 356 | $29.9M | $84K |
| The Elinor Patterson Baker Foundation | Greenwich | 10 | $29.6M | $3.0M |
| Ernest and Joan Trefz Foundation | Bridgeport | 1339 | $29.3M | $22K |
| Robert Rosenheim Foundation Inc | Bristol | 202 | $29.1M | $144K |
| William & Lynda Steere Foundation | Westport | 673 | $28.5M | $42K |
| Carey Family Foundation | Darien | 42 | $28.4M | $676K |
| The Michael & Carol Lowenstein | Greenwich | 227 | $27.7M | $122K |
| Sbm Charitable Foundation Inc | Manchester | 1639 | $27.5M | $17K |
| The Emily Hall Tremaine Foundation Inc | New Haven | 1786 | $27.3M | $15K |
| The Catherine Jefferson Foundation Inc | Darien | 336 | $27.0M | $80K |
| The Risc Foundation Inc | New Haven | 106 | $26.9M | $254K |
| Suzanne Mcgraw Foundation Inc | Stamford | 98 | $26.9M | $274K |
| The Widgeon Point Charitable Foundation | Stamford | 1222 | $26.4M | $22K |
| Karin Bain and John Kukral Foundation | Old Greenwich | 391 | $25.2M | $65K |
| The Chilton Foundation | Stamford | 196 | $25.2M | $128K |
| The Meredith and Whitney George | Darien | 469 | $25.1M | $53K |
| Dellora a & Lester J Norris Foundation | Greenwich | 11 | $24.6M | $2.2M |
| The Common Sense Fund Inc | Greenwich | 352 | $24.6M | $70K |
| Joel E Smilow Charitable Trust | Westport | 330 | $24.3M | $74K |
| Widows Society | Avon | 102 | $24.3M | $238K |
| Weiss Family Foundation | Hartford | 156 | $24.2M | $155K |
| Loon Point Foundation | Greenwich | 74 | $23.8M | $322K |
| Connecticut Health Foundation Inc | Hartford | 783 | $22.4M | $29K |
| Daftuar Family Foundation | Greenwich | 131 | $22.4M | $171K |
| The Zachs Family Foundation Inc | Hartford | 1919 | $22.4M | $12K |
| The Patrick and Catherine Weldon | West Hartford | 182 | $22.1M | $121K |
| The Nielsen Foundation Inc | Stamford | 539 | $22.0M | $41K |
| Ritter Family Foundation | Ridgefield | 342 | $22.0M | $64K |
| The Ohnell Family Foundation | Greenwich | 570 | $21.8M | $38K |
| The Pasculano Foundation | Greenwich | 197 | $21.7M | $110K |
| Donald C Brace Foundation | South Windsor | 11 | $21.7M | $2.0M |
| The Inglesea Charitable Trust | Norwalk | 1396 | $21.3M | $15K |
| Mulberry Essence Foundation | Greenwich | 391 | $21.2M | $54K |
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