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)Food and agriculture (7)General grantmaking (968)Health (35)Housing and shelter (7)Human services (50)International (6)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 | 50 | $987.4M | $19.7M |
| Steven & Alexandra Cohen Foundation Inc | Stamford | 1284 | $985.5M | $767K |
| The Zoom Foundation | Greenwich | 21 | $586.5M | $27.9M |
| 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 | 3290 | $299.5M | $91K |
| Seedlings Foundation | Branford | 1013 | $251.8M | $249K |
| Dalio Foundation Inc | Westport | 840 | $208.0M | $248K |
| 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 | 183 | $140.6M | $768K |
| 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 |
| Lone Pine Foundation Inc | Greenwich | 9 | $87.4M | $9.7M |
| Peoples United Community Foundation | Bridgeport | 436 | $84.8M | $194K |
| The Leandro P Rizzuto Foundation | Stamford | 1246 | $84.0M | $67K |
| Silver Family Foundation | Darien | 545 | $81.9M | $150K |
| The Grossman Family Foundation | Cos Cob | 17 | $71.6M | $4.2M |
| The Leir Foundation Inc | Ridgefield | 26 | $70.7M | $2.7M |
| The Perrin Family Foundation | Old Greenwich | 243 | $58.4M | $240K |
| The Bauer Foundation Inc | Wilton | 473 | $58.4M | $123K |
| The Rutledge Family Foundation | Greenwich | 216 | $58.4M | $270K |
| The Harold W Mcgraw Jr Family | Stamford | 89 | $57.6M | $647K |
| 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 Pay It Forward Foundation | Darien | 34 | $50.7M | $1.5M |
| Town Fair Tire Foundation Inc | East Haven | 499 | $50.5M | $101K |
| Azcat Foundation | Greenwich | 12 | $50.2M | $4.2M |
| Jean and David W Wallace Foundation Inc | New Canaan | 156 | $50.1M | $321K |
| The Martino Family Foundation | New Canaan | 164 | $48.4M | $295K |
| 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 |
| Eversource Energy Foundation Inc | Hartford | 3868 | $46.0M | $12K |
| The Tudor Foundation Inc | Stamford | 688 | $43.7M | $64K |
| General Atlantic Foundation | Stamford | 409 | $43.2M | $106K |
| Edward John Noble Foundation Inc | New Milford | 221 | $41.7M | $189K |
| Cunniffe Family Foundation | Greenwich | 73 | $40.6M | $556K |
| 1772 Foundation Inc | Pomfret Center | 890 | $40.5M | $46K |
| Harbor Lights Foundation | Riverside | 13 | $39.2M | $3.0M |
| American Savings Foundation Inc | New Britain | 6660 | $38.6M | $6K |
| Avangrid Foundation Inc | Orange | 1282 | $38.5M | $30K |
| The Herb Chambers Charitable Foundation | Glastonbury | 438 | $38.1M | $87K |
| William Caspar Graustein Memorial Fund | Hamden | 1394 | $37.9M | $27K |
| Twenty-Seven Foundation | East Hartford | 435 | $37.9M | $87K |
| The Wolverine Foundation | Greenwich | 247 | $37.8M | $153K |
| Aetna Foundation Inc | Hartford | 18449 | $36.2M | $2K |
| The Vranos Foundation | Old Greenwich | 421 | $36.1M | $86K |
| Wings for Things Foundation Inc | Sandy Hook | 178 | $35.3M | $198K |
| Brothers Brook Foundation | New Canaan | 524 | $34.8M | $66K |
| The Selander Foundation | Greenwich | 150 | $33.8M | $225K |
| 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 |
| John Brown Cook Foundation | Chester | 158 | $30.7M | $194K |
| E Matilda Ziegler Foundation for the | Darien | 70 | $30.6M | $437K |
| Odyssey Group Foundation | Stamford | 312 | $30.2M | $97K |
| The Elinor Patterson Baker Foundation | Greenwich | 10 | $29.6M | $3.0M |
| The Michael & Carol Lowenstein | Greenwich | 247 | $29.6M | $120K |
| The Pitch Foundation | Riverside | 11 | $28.8M | $2.6M |
| Metropoulos Family Foundation | Greenwich | 318 | $27.7M | $87K |
| Carey Family Foundation | Darien | 38 | $27.5M | $724K |
| Robert Rosenheim Foundation Inc | Bristol | 188 | $27.4M | $146K |
| The Risc Foundation Inc | New Haven | 125 | $27.3M | $219K |
| The Emily Hall Tremaine Foundation Inc | New Haven | 1786 | $27.3M | $15K |
| Ernest and Joan Trefz Foundation | Bridgeport | 1240 | $27.2M | $22K |
| The Common Sense Fund Inc | Greenwich | 392 | $27.0M | $69K |
| The Meredith and Whitney George | Darien | 506 | $27.0M | $53K |
| Suzanne Mcgraw Foundation Inc | Stamford | 98 | $26.9M | $274K |
| William & Lynda Steere Foundation | Westport | 630 | $26.8M | $43K |
| The Widgeon Point Charitable Foundation | Stamford | 1222 | $26.4M | $22K |
| Sbm Charitable Foundation Inc | Manchester | 1536 | $26.0M | $17K |
| Karin Bain and John Kukral Foundation | Old Greenwich | 391 | $25.2M | $65K |
| The Chilton Foundation | Stamford | 196 | $25.2M | $128K |
| Weiss Family Foundation | Hartford | 165 | $24.8M | $150K |
| Dellora a & Lester J Norris Foundation | Greenwich | 11 | $24.6M | $2.2M |
| Joel E Smilow Charitable Trust | Westport | 330 | $24.3M | $74K |
| Loon Point Foundation | Greenwich | 74 | $23.8M | $322K |
| The Catherine Jefferson Foundation Inc | Darien | 311 | $23.5M | $76K |
| The Pasculano Foundation | Greenwich | 207 | $23.0M | $111K |
| 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 |
| Donald C Brace Foundation | South Windsor | 11 | $21.7M | $2.0M |
| Mulberry Essence Foundation | Greenwich | 391 | $21.2M | $54K |
| The John L and Sue Ann Weinberg Foundation | Greenwich | 18 | $21.0M | $1.2M |
| The Alfa Foundation | Greenwich | 112 | $21.0M | $188K |
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