| Robert Wood Johnson Foundation | 6 | $2.3m |
| William and Flora Hewlett Foundation | 6 | $2.3m |
| Conrad N Hilton Foundation | 17 | $1.7m |
| Ford Foundation | 6 | $1.5m |
| Bill & Melinda Gates Foundation | 2 | $1.3m |
| ROCKEFELLER PHILANTHROPY ADVISORS INC | 2 | $700.0k |
| Carnegie Corporation of New York | 3 | $700.0k |
| The Kresge Foundation | 4 | $450.0k |
| Walton Family Foundation | 6 | $436.0k |
| David and Lucile Packard Foundation | 2 | $400.0k |
| Surdna Foundation | 4 | $300.0k |
| Rockefeller Foundation | 3 | $300.0k |
| Wallace Foundation | 3 | $300.0k |
| THE ARTHUR M BLANK FAMILY FOUNDATION | 2 | $200.0k |
| Houston Endowment | 6 | $184.0k |
| Margaret A. Cargill Foundation | 2 | $175.0k |
| Gordon and Betty Moore Foundation | 4 | $175.0k |
| Heinz Endowments | 4 | $162.5k |
| RITA ALLEN FOUNDATION INC | 3 | $150.0k |
| Rockefeller Brothers Fund | 3 | $135.0k |
| California Endowment | 1 | $133.1k |
| Leona M & Harry B Helmsley Charitable Trust | 4 | $124.5k |
| McKnight Foundation | 5 | $115.0k |
| LONGWOOD FOUNDATION INC | 1 | $100.0k |
| John D and Catherine T MacArthur Foundation | 2 | $100.0k |
| GS DONOR ADVISED PHILANTHROPY FUND FOR WEALTH MANAGEMENT INC | 1 | $84.8k |
| THE HARRY AND JEANETTE WEINBERG FOUNDATION INC | 1 | $75.0k |
| WILBURFORCE FOUNDATION C/O LISA WEINSTEIN | 3 | $75.0k |
| Omidyar Network Fund Inc | 1 | $75.0k |
| Boston Foundation Inc | 2 | $60.6k |
| William Penn Foundation | 2 | $51.8k |
| UNBOUND PHILANTHROPY | 1 | $50.0k |
| THE HEISING-SIMONS FOUNDATION | 2 | $50.0k |
| The Klarman Family Foundation | 1 | $50.0k |
| IMPACTASSETSINC | 1 | $50.0k |
| THE SKOLL FOUNDATION | 2 | $48.0k |
| California Healthcare Foundation | 3 | $45.0k |
| SKOLL FUND CO SILICON VALLEY COMMUNITY FOUNDATION | 1 | $40.0k |
| THE HOWARD GILMAN FOUNDATION INC | 1 | $36.8k |
| Paul Hamlyn Foundation | 1 | $30.0k |
| Henry Luce Foundation | 3 | $30.0k |
| THE COLORADO HEALTH FOUNDATION | 2 | $30.0k |
| Doris Duke Foundation | 3 | $30.0k |
| Charles & Margery Barancik Foundation Inc | 1 | $29.5k |
| ARTHUR VINING DAVIS FOUNDATION #2 | 1 | $28.0k |
| WALTER AND ELISE HAAS FUND | 1 | $25.0k |
| EVELYN AND WALTER HAAS JR FUND | 2 | $20.0k |
| HARTFORD FOUNDATION FOR PUBLIC GIVING | 1 | $20.0k |
| The George Gund Foundation | 2 | $20.0k |
| PUBLIC WELFARE FOUNDATION INC | 2 | $20.0k |