| John D and Catherine T Macarthur Foundation (Consolidated) | Chicago | 18680 | $4.2B | $224K |
| Howard G Buffett Foundation | Decatur | 547 | $3.0B | $5.5M |
| Abbvie Foundation | North Chicago | 18951 | $460.6M | $24K |
| The Joyce Foundation | Chicago | 3444 | $413.2M | $120K |
| Pritzker Family Foundation | Chicago | 2196 | $399.2M | $182K |
| William R Kenan Jr Charitable Trust Xxxxx2004 | Chicago | 9 | $296.6M | $33.0M |
| Paul M Angell Family Foundation | Chicago | 10 | $256.0M | $25.6M |
| The Brinson Foundation | Chicago | 1119 | $255.1M | $228K |
| Pritzker Traubert Foundation | Chicago | 8 | $225.9M | $28.2M |
| Emerson Charitable Trust | Po Box Chica | 11 | $221.5M | $20.1M |
| State Farm Companies Foundation | Bloomington | 94 | $182.3M | $1.9M |
| Anthony Pritzker Family Foundation | Chicago | 9 | $168.3M | $18.7M |
| The 1111 Foundation | Northfield | 553 | $167.2M | $302K |
| Imc Chicago Charitable Foundation | Chicago | 1606 | $153.4M | $96K |
| John and Kathleen Schreiber Foundation | Lake Forest | 920 | $133.7M | $145K |
| Gracias Family Foundation | Chicago | 106 | $123.1M | $1.2M |
| Jackson Kemper Foundation | Hawthorn Woods | 464 | $119.8M | $258K |
| Wayfarer Foundation | Highland Park | 999 | $118.0M | $118K |
| Caerus Foundation Inc | Northbrook | 904 | $112.9M | $125K |
| Wayne and Nan Kocourek Foundation | Buffalo Grove | 506 | $111.8M | $221K |
| David F & Margaret T Grohne | Western Springs | 418 | $111.6M | $267K |
| People's Support Foundation Limited | Chicago | 445 | $110.7M | $249K |
| Saul Zaentz Charitable Foundation | Glenview | 360 | $108.7M | $302K |
| Sue Ling Gin Foundation Trust | Chicago | 90 | $107.6M | $1.2M |
| The Bluhm Family Charitable Foundation | Chicago | 616 | $106.6M | $173K |
| Ed Uihlein Family Foundation | Lake Forest | 649 | $106.2M | $164K |
| Exelon Foundation | Chicago | 310 | $102.8M | $332K |
| The Walsh Foundation | Chicago | 619 | $102.0M | $165K |
| Clara Abbott Foundation | Gurnee | 18 | $99.6M | $5.5M |
| Ann B & Thomas L Friedman Family Found | Chicago | 436 | $98.4M | $226K |
| Foglia Family Foundation | Chicago | 1189 | $96.1M | $81K |
| Terra Foundation for American Art | Chicago | 1410 | $95.9M | $68K |
| Scanlan Family Foundation | Chicago | 92 | $88.9M | $966K |
| Alphawood Foundation | Chicago | 1218 | $86.1M | $71K |
| Tracy Family Foundation | Mt Sterling | 11 | $84.3M | $7.7M |
| Trott Family Philanthropies Inc | Chicago | 365 | $84.2M | $231K |
| Conduit Foundation | Chicago | 118 | $83.5M | $708K |
| Willow Springs Charitable Trust | Mt Carroll | 790 | $83.3M | $105K |
| Cme Group Foundation | Chicago | 1634 | $82.8M | $51K |
| Colonel (Il) James N Pritzker | Chicago | 1079 | $79.4M | $74K |
| Disomma Family Foundation | Oak Park | 65 | $79.1M | $1.2M |
| The Buntrock Foundation for Leadership | Oakbrook Terrace | 109 | $78.4M | $719K |
| Schuler Education Foundation | Lake Forest | 103 | $77.8M | $755K |
| Tull Family Foundation | Chicago | 238 | $76.8M | $323K |
| Julian Grace Foundation | Highland Park | 963 | $76.6M | $80K |
| Klaff Family Foundation | Chicago | 672 | $75.2M | $112K |
| Mansueto Foundation | Chicago | 423 | $75.1M | $178K |
| Healthy Communities Foundation | Riverside | 953 | $74.7M | $78K |
| Vivo Foundation | Libertyville | 1028 | $74.4M | $72K |
| Anahata Foundation Xxxxx5004 | Chicago | 288 | $72.8M | $253K |
| Sacks Family Foundation | Highland Park | 782 | $70.2M | $90K |
| Dick and Timmy Burton Foundation | Po Box Ch | 68 | $69.7M | $1.0M |
| The Pritzker Pucker Family | Chicago | 764 | $69.0M | $90K |
| Chicagobeyond Inc | Chicago | 281 | $63.2M | $225K |
| The Kraft Heinz Company Foundation | Chicago | 131 | $62.3M | $475K |
| The Richard H Driehaus Foundation | Chicago | 8 | $61.6M | $7.7M |
| The Polsky Foundation | Chicago | 267 | $58.5M | $219K |
| The Manne Family Foundation | Chicago | 163 | $57.8M | $355K |
| The Sunshine Charitable Foundation | Evanston | 519 | $57.2M | $110K |
| The Lefkofsky Family Foundation | Chicago | 9 | $55.3M | $6.1M |
| Donnini-Rudolph Family Foundation | Champaign | 263 | $55.3M | $210K |
| The Serr Charitable Action Trust | Chicago | 64 | $51.7M | $807K |
| Susan Crown Exchange Inc | Chicago | 558 | $49.4M | $89K |
| Earl & Brenda Shapiro Foundation | Chicago | 127 | $46.7M | $368K |
| The Sheba Foundation | Aurora | 312 | $46.6M | $149K |
| Phillip Leonian and Edith Rosenbaum | Chicago | 164 | $46.0M | $280K |
| Grand Victoria Foundation | Chicago | 891 | $46.0M | $52K |
| Smart Family Foundation of Illinois | Chicago | 723 | $45.6M | $63K |
| Richard L Duchossois Memorial Foundatio | Barrington | 52 | $43.7M | $840K |
| Frank E Payne and Seba B Payne | Chicago | 252 | $43.3M | $172K |
| Hunter Family Foundation | Chicago | 779 | $43.0M | $55K |
| James S and Paula H Crown Family Foundat | Chicago | 1 | $42.6M | $42.6M |
| Gray Collection Trust | Chicago | 19 | $42.1M | $2.2M |
| Hyatt Hotels Foundation | Chicago | 292 | $42.0M | $144K |
| Nancy a Lauter & Alfred L Mcdougal Charitable | Chicago | 99 | $41.5M | $419K |
| Jack Miller Family Foundation | Buffalo Grove | 10 | $40.1M | $4.0M |
| Ralla Klepak Performing Arts Foundation | Chicago | 250 | $39.8M | $159K |
| Maclean Foundation | Mundelein | 61 | $38.7M | $634K |
| The Sidley Austin Foundation | Chicago | 3084 | $38.2M | $12K |
| Leroy Philanthropic Trust Xxxxx7006 | Chicago | 13 | $37.8M | $2.9M |
| Finnegan Family Foundation | Chicago | 964 | $37.8M | $39K |
| Hargrove Hudson Charitable Trust Xxxxx8005 | Chicago | 46 | $36.4M | $792K |
| Ernest Wentcher Educational Fund | Wilmette | 1409 | $36.1M | $26K |
| Segal Family Foundation | Northbrook | 1313 | $34.5M | $26K |
| Justin & Valere Potter Foundation | Chicago | 84 | $33.3M | $396K |
| The Rawley Foundation Xxxxx0008 | Chicago | 397 | $32.5M | $82K |
| The Code Family Foundation | Chicago | 153 | $32.4M | $212K |
| Dunham Foundation | Aurora | 385 | $32.2M | $84K |
| Luluma Charitable Trust Xxxxx8009 | Chicago | 857 | $32.2M | $38K |
| Northern Trust Foundation | Chicago | 11 | $32.0M | $2.9M |
| Bernard Heerey Family Foundation | Chicago | 224 | $31.8M | $142K |
| John and Gwen Smart Foundation | Lisle | 212 | $31.2M | $147K |
| The Christopher L & M Susan Gust | Chicago | 628 | $30.8M | $49K |
| Julian Family Foundation | Chicago | 671 | $30.8M | $46K |
| The Joanne W Gauntt Foundation Dated | Chicago | 117 | $30.3M | $259K |
| Ream Foundation | Buffalo Grove | 10 | $29.8M | $3.0M |
| The Hoehn Family Charitable Trust | Chicago | 10 | $29.4M | $2.9M |
| Elm Family Foundation | Northbrook | 170 | $29.2M | $172K |
| Perry Family Charitable Foundation | Chicago | 490 | $28.8M | $59K |
| G Carl Ball Family Foundation | West Chicago | 334 | $28.6M | $86K |
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