| Stanley Manne Childrens Research InstituteChicago | Form 990 | $65,057,786FY2025 |
| Alliance for Clinical Trials in Oncology FoundationChicago | Form 990 | $44,527,686FY2024 |
| Lungevity FoundationChicago | Form 990 | $14,237,969FY2025 |
| Ulta Beauty Charitable FoundationBolingbrook | Form 990 | $11,854,534FY2026 |
| Gateway for Cancer Research IncChicago | Form 990 | $9,653,289FY2025 |
| American Society for Transplantation & Cellular TherapyChicago | Form 990 | $8,492,524FY2024 |
| American Burn Association IncChicago | Form 990 | $7,141,343FY2024 |
| International Society for STEM Cell ResearchEvanston | Form 990 | $6,758,250FY2025 |
| Leukemia Research Foundation IncNorthfield | Form 990 | $6,035,635FY2025 |
| Oral and Maxillofacial Surgery FoundationRosemont | Form 990 | $5,031,437FY2025 |
| Citizens United for Research in EpilepsyChicago | Form 990 | $4,989,172FY2025 |
| Foundation of the American Society of NeuroradiologyOak Brook | Form 990 | $4,715,704FY2024 |
| Orthopaedic Research and Education FoundationRosemont | Form 990 | $4,671,069FY2025 |
| American Foundation for Surgery of the HandChicago | Form 990 | $4,263,250FY2024 |
| Orthopaedic Research SocietyRosemont | Form 990 | $4,133,674FY2025 |
| Angelman Syndrome Foundation IncAurora | Form 990 | $3,906,892FY2025 |
| Partnership for CuresChicago | Form 990 | $3,881,316FY2025 |
| Michael Reese Research and Education FoundationChicago | Form 990 | $3,726,998FY2025 |
| Dystonia Medical Research FoundationChicago | Form 990 | $3,654,855FY2025 |
| MPN Research FoundationChicago | Form 990 | $3,585,445FY2024 |
| Neurosurgery Research and Education FoundationRolling Meadows | Form 990 | $3,551,071FY2025 |
| The Bancroft SchoolElgin | Form 990 | $3,438,381FY2025 |
| Equal HopeChicago | Form 990 | $3,407,105FY2025 |
| Society of Urologic OncologySchaumburg | Form 990 | $3,253,183FY2025 |
| Saem Research FoundationDes Plaines | Form 990 | $2,863,754FY2024 |
| Society for CardiovascularEast Dundee | Form 990 | $2,823,091FY2025 |
| The Foundation for Peripheral NeuropathyBuffalo Grove | Form 990 | $2,561,621FY2025 |
| Ada FoundationChicago | Form 990 | $2,133,662FY2024 |
| Pediatric Interventional Cardiacsymposium FoundationChicago | Form 990 | $2,012,583FY2024 |
| Proton Collaborative Group IncWarrenville | Form 990 | $1,879,415FY2024 |
| Orthopaedic Foot & Ankle FoundationSchaumburg | Form 990 | $1,701,279FY2024 |
| A Just HarvestChicago | Form 990 | $1,652,663FY2024 |
| Wilmette Wings Soccer ClubWilmette | Form 990 | $1,578,825FY2025 |
| Cancer Research FoundationChicago | Form 990 | $1,547,723FY2025 |
| Erase PTSD NowChicago | Form 990 | $1,540,954FY2025 |
| Bear Necessities Pediatric Cancer FoundationChicago | Form 990 | $1,484,979FY2025 |
| American Society for Reconstructive MicrosurgeryMundelein | Form 990 | $1,397,646FY2024 |
| Sleep Research Society FoundationDarien | Form 990 | $1,315,159FY2025 |
| Diamond Headache Clinic Research and Educational FoundationChicago | Form 990 | $1,260,719FY2025 |
| Cancer Research FoundationChicago | Form 990 | $1,174,975FY2025 |
| Toolbox Assessments IncLincolnwood | Form 990 | $1,080,612FY2024 |
| Musculoskeletal Tumor SocietySchaumburg | Form 990 | $1,011,009FY2024 |
| National Pressure Ulcer Advisory Panel IncSchaumburg | Form 990 | $994,899FY2024 |
| Hippocratic Cancer Research Foundation IncWheeling | Form 990 | $939,408FY2024 |
| World Federation for Ultrasound in Medicine and Biology IncChicago | Form 990 | $905,665FY2025 |
| Jeffrey Pride Foundation IncBarrington | Form 990 | $859,177FY2025 |
| Interstate Postgraduate Medical Association of North AmericaProspect Heights | Form 990 | $824,681FY2024 |
| University of Chicago Cancer Research FoundationChicago | Form 990 | $811,607FY2025 |
| Society for Perioperative Assessment and Quality ImprovementGlenview | Form 990 | $779,575FY2025 |
| Society for Clinical Trials IncArlington Heights | Form 990 | $778,376FY2024 |