| University of Pittsburgh | | Pittsburgh, PA | National | 8 | 2024 | $4,344,683 |
| Michael J Fox Foundation for Parkinsons Research | | New York, NY | National | 4 | 2024 | $1,710,108 |
| Nebraska Medicine Guild | | Omaha, NE | Local | 8 | 2024 | $1,348,340 |
| Robert Wood Johnson Foundation | | Princeton, NJ | National | 1 | 2024 | $1,004,384 |
| Johns Hopkins University | | Baltimore, MD | National | 8 | 2024 | $848,561 |
| Childrens Mercy Hospital | | Kansas City, MO | Local | 4 | 2024 | $597,904 |
| Georgetown University | | Washington, DC | National | 5 | 2024 | $347,490 |
| Womens Fund of Greater Omaha Inc | | Omaha, NE | Local | 6 | 2024 | $334,691 |
| Buffett Early Childhood Fund | | Omaha, NE | Local | 3 | 2024 | $276,483 |
| Muscular Dystrophy Association | | Chicago, IL | National | 7 | 2024 | $247,917 |
| The Childrens Hospital of Philadelphia | | Philadelphia, PA | National | 2 | 2024 | $181,305 |
| Allen Institute | | Seattle, WA | National | 3 | 2024 | $155,557 |
| AIDS United | | Washington, DC | National | 1 | 2024 | $148,839 |
| Huntingtons Disease Society of America Inc | | New York, NY | National | 7 | 2024 | $132,201 |
| Curepsp Inc | | New York, NY | National | 1 | 2024 | $100,000 |
| West Virginia University Research Corporation | | Morgantown, WV | National | 1 | 2024 | $99,255 |
| Organization for Autism Research Inc | | Arlington, VA | National | 4 | 2024 | $97,662 |
| Alliance for Clinical Trials in Oncology Foundation | | Chicago, IL | National | 5 | 2024 | $58,109 |
| John Wayne Cancer Foundation | | Costa Mesa, CA | National | 1 | 2024 | $50,000 |
| Nebraska Health Information Initiative Inc | | LA Vista, NE | Local | 1 | 2024 | $50,000 |
| Lupus Research Alliance Inc | | New York, NY | National | 1 | 2024 | $49,000 |
| Alliance Nctn Foundation | | Chicago, IL | National | 4 | 2024 | $48,200 |
| Fordham University | | Bronx, NY | Local | 1 | 2024 | $38,934 |
| Midwest Neuroscience Foundation | | Omaha, NE | Local | 4 | 2024 | $31,793 |
| Eagle Foundation | | Chaska, MN | Local | 6 | 2024 | $27,500 |
| American Academy of Sleep Medicine | | Darien, IL | Local | 2 | 2024 | $20,000 |
| Leland Tr | | Holyoke, CO | Local | 4 | 2024 | $12,000 |
| Ty Cobb Foundation Fund Ua Dtd 113053 | | Orlando, FL | Local | 3 | 2024 | $12,000 |
| American Association of Colleges of Nursing | | Washington, DC | National | 2 | 2024 | $6,000 |
| Cost of Discipleship Foundation | | Omaha, NE | Local | 1 | 2024 | $126 |
| Clarkson Regional Health Services I Nc | | Omaha, NE | Local | 6 | 2023 | $4,115,098 |
| Valhalla Foundation | | Woodside, CA | National | 3 | 2023 | $242,000 |
| National Cancer Center Inc | | West Islip, NY | National | 2 | 2023 | $208,000 |
| Baylor University | | Waco, TX | Local | 3 | 2023 | $147,673 |
| Knights Templar Eye Foundation Inc | | Flower Mound, TX | National | 2 | 2023 | $110,000 |
| Arthritis Foundation Inc | | Atlanta, GA | National | 1 | 2023 | $90,000 |
| Seattle Childrens Hospital | | Seattle, WA | National | 3 | 2023 | $76,988 |
| Benaroya Research Institute at Virginia Mason | | Seattle, WA | National | 2 | 2023 | $65,767 |
| Research Foundation of the City University of New York | | New York, NY | Local | 1 | 2023 | $48,698 |
| Boomer Esiason Foundation | | New York, NY | National | 1 | 2023 | $20,343 |
| Society of Cardiovascular Anesthesiologists Inc | | East Dundee, IL | National | 1 | 2023 | $15,000 |
| Unmc Science Research Fund | | Omaha, NE | Local | 5 | 2022 | $14,219,063 |
| Vanderbilt University Medical Center | | Nashville, TN | National | 3 | 2022 | $1,150,605 |
| The Susan Thompson Buffett Foundation | | Omaha, NE | National | 1 | 2022 | $660,779 |
| Unmc Alumni Association | | Omaha, NE | Local | 5 | 2022 | $313,634 |
| Organization of Teratology Information Specialists Nfp | | Brentwood, TN | National | 5 | 2022 | $282,340 |
| Northwestern University | | Evanston, IL | National | 6 | 2022 | $238,873 |
| American Indian Higher Education Consortium | | Alexandria, VA | Local | 4 | 2022 | $167,419 |
| Association of University Centers on Disabilities | | Silver Spring, MD | National | 3 | 2022 | $151,211 |
| Association for Prevention Teaching and Research | | Washington, DC | — | 1 | 2022 | $100,000 |
| Conquer Cancer Fdn of the American Society of Clinical Oncology | | Alexandria, VA | Local | 1 | 2022 | $50,000 |
| The Cci Research Foundation | | | National | 1 | 2022 | $34,912 |
| American Academy of Pediatrics Inc | | Itasca, IL | National | 1 | 2022 | $30,000 |
| National Breast Cancer Foundation Inc | | Frisco, TX | National | 1 | 2022 | $30,000 |
| Power to Decide | | Washington, DC | National | 3 | 2022 | $30,000 |
| American Society of Perianesthesia Nurses | | Cherry Hill, NJ | — | 1 | 2022 | $10,000 |
| Morgan Family Legacy Foundation | | Leawood, KS | Local | 1 | 2022 | $10,000 |
| American Association of Physicists in Medicine | | Alexandria, VA | National | 1 | 2022 | $6,000 |
| Romylik Foundation | | Omaha, NE | Local | 1 | 2022 | $500 |
| Cystic Fibrosis Foundation | | Bethesda, MD | National | 4 | 2021 | $2,039,236 |
| Rheumatology Research Foundation | | Atlanta, GA | National | 5 | 2021 | $1,104,995 |
| Weitz Family Foundation | | Omaha, NE | Local | 1 | 2021 | $200,000 |
| Unehealth | | Omaha, NE | — | 1 | 2021 | $167,504 |
| Alzheimers Disease and Related Disorders Association Inc | | Chicago, IL | National | 1 | 2021 | $150,000 |
| Research to Prevent Blindness Inc | | New York, NY | National | 1 | 2021 | $150,000 |
| Metavivor Research and Support Inc | | Middleton, WI | National | 1 | 2021 | $100,000 |
| Spencer Foundation | | Chicago, IL | National | 1 | 2021 | $74,819 |
| Stachestrong Inc | | Vestal, NY | National | 1 | 2021 | $63,250 |
| National Collegiate Athletic Association | | Indianapolis, IN | National | 4 | 2021 | $55,000 |
| Association of Public Health Laboratories Inc | | Bethesda, MD | Local | 1 | 2021 | $42,240 |
| American Association of Critical Care Nurses | | Aliso Viejo, CA | National | 1 | 2021 | $24,976 |
| Baer Foundation | | Omaha, NE | Local | 1 | 2021 | $21,000 |
| Kitty M Perkins Foundation | | Cambridge, NE | Local | 1 | 2021 | $15,000 |
| Ecmc Foundation | | Minneapolis, MN | National | 1 | 2021 | $10,000 |
| American Speech-Language-Hearing Foundation | | Rockville, MD | National | 1 | 2021 | $10,000 |
| Parkinsons Foundation Inc | | New York, NY | National | 1 | 2021 | $6,646 |
| The Leonard Rydell Foundation | | Grand Forks, ND | National | 2 | 2021 | $4,000 |
| Sterns Charitable Foundation Inc the | | Lincoln, NE | — | 2 | 2021 | $4,000 |
| The Nebraska Medical Center | | Omaha, NE | Local | 4 | 2020 | $298,208,044 |
| Sherwood Foundation | | Omaha, NE | Local | 1 | 2020 | $2,006,258 |
| The Lozier Foundation | | Omaha, NE | Local | 2 | 2020 | $1,976,033 |
| Mayo Clinic | | Rochester, MN | National | 2 | 2020 | $290,670 |
| Team Jack Foundation Inc | | Atkinson, NE | National | 1 | 2020 | $250,000 |
| Robert B Daugherty Foundation | | Omaha, NE | Local | 1 | 2020 | $120,000 |
| American Epilepsy Society | | Chicago, IL | National | 2 | 2020 | $90,000 |
| Ethel S Abbott Charitable Foundation | | Ralston, NE | Local | 2 | 2020 | $2,000 |
| Seline Family Foundation Inc | | Omaha, NE | Local | 1 | 2020 | $400 |
| Vanderbilt University | | Nashville, TN | Local | 3 | 2019 | $500,122 |
| Mayo Clinic Group Return | | Rochester, MN | National | 1 | 2019 | $382,334 |
| Drexel University | | Philadelphia, PA | National | 3 | 2019 | $280,293 |
| National Association of Chain Drug Stores Foundation | | Arlington, VA | National | 1 | 2019 | $215,676 |
| Temple University-of the Commonwealth System of Higher Educ | | Philadelphia, PA | National | 1 | 2019 | $46,852 |
| Society for Reproductive Investigation | | Milwaukee, WI | National | 1 | 2019 | $20,000 |
| Ellman Foundation | | Phoenix, AZ | Local | 1 | 2019 | $100 |
| Institute for Molecular Medicine | | Huntingtn Bch, CA | Local | 2 | 2018 | $136,557 |
| Osteogenesis Imperfecta Foundation Inc | | Gaithersburg, MD | National | 1 | 2018 | $59,815 |
| American Society of Health-System Pharmacists Research and Education | | Bethesda, MD | National | 1 | 2018 | $25,000 |
| National Institute for Reproductive Health Inc | | New York, NY | Local | 1 | 2018 | $15,333 |
| Childrens Hospital & Medical Center Foundation | | Omaha, NE | Local | 1 | 2018 | $12,184 |
| Creighton University | | Omaha, NE | Local | 2 | 2018 | $12,045 |
| National Comprehensive Cancer Network Inc | | Plymouth Mtng, PA | National | 1 | 2018 | $12,021 |
| Regional West Foundation | | Scottsbluff, NE | Local | 1 | 2018 | $10,000 |
| Kinman-Oldfield Family Foundation Trust 58060190 | | Saint Paul, MN | Local | 1 | 2018 | $5,000 |
| Berneice M Hopper Privatefoundation | | Omaha, NE | Local | 1 | 2018 | $2,500 |
| Art for Life Foundation | | Clayton, CA | — | 1 | 2018 | $60 |
| Downey-Short Foundation | | | — | 1 | 2017 | $40,000 |
| Asrt Foundation | | Albuquerque, NM | National | 1 | 2017 | $9,980 |
| University of Nebraska Foundation | | Lincoln, NE | Local | 1 | 2017 | $6,278 |
| University of Miami | | Coral Gables, FL | National | 1 | 2016 | $29,188 |