| Leona M & Harry B Helmsley Charitable Trust | 1 | $0 |
| The Kresge Foundation | 23 | $13.3m |
| Robert Wood Johnson Foundation | 39 | $9.7m |
| Bill & Melinda Gates Foundation | 7 | $4.1m |
| Rockefeller Foundation | 11 | $4.0m |
| KNIGHT FOUNDATION ATTN LISA MCKILLIPS | 2 | $4.0m |
| William and Flora Hewlett Foundation | 14 | $3.8m |
| Arnold Ventures (Laura and John Arnold Foundation) | 20 | $3.8m |
| SCHWAB CHARITABLE FUND | 2 | $2.7m |
| BHP FOUNDATION | 4 | $2.6m |
| THE SAN DIEGO FOUNDATION | 1 | $2.5m |
| Ford Foundation | 8 | $2.2m |
| Carnegie Corporation of New York | 8 | $1.9m |
| Alfred P. Sloan Foundation | 6 | $1.7m |
| David and Lucile Packard Foundation | 3 | $1.2m |
| Conrad N Hilton Foundation | 12 | $1.2m |
| McKnight Foundation | 3 | $1.1m |
| CALIFORNIA COMMUNITY FOUNDATION | 1 | $1.1m |
| John D and Catherine T MacArthur Foundation | 7 | $1.0m |
| FOUNDATION TO PROMOTE OPEN SOCIETY | 2 | $1.0m |
| THE PATRICK J MCGOVERN FOUNDATION INC | 2 | $1.0m |
| Kauffman Foundation | 6 | $990.0k |
| SMITH RICHARDSON FOUNDATION INC | 7 | $961.0k |
| Walton Family Foundation | 3 | $900.0k |
| JEWISH COMMUNAL FUND | 2 | $775.0k |
| Amalgamated Charitable Foundation Inc | 1 | $750.0k |
| Annie E. Casey Foundation | 8 | $738.1k |
| NATIONAL PHILANTHROPIC TRUST | 2 | $710.0k |
| WELLSPRING PHILANTHROPIC FUND INC | 3 | $700.0k |
| Omidyar Network Fund Inc | 4 | $675.0k |
| W. K. Kellogg Foundation | 2 | $600.0k |
| PETER G PETERSON FOUNDATION | 8 | $550.2k |
| MASTERCARD IMPACT FUND | 1 | $500.0k |
| HILLMAN FAMILY FOUNDATIONS | 3 | $500.0k |
| VANGUARD CHARITABLE ENDOWMENT PROGRAM | 2 | $480.0k |
| John Templeton Foundation | 2 | $471.8k |
| Open Society Institute | 3 | $459.9k |
| James Irvine Foundation | 1 | $400.0k |
| George Kaiser Family Foundation | 1 | $400.0k |
| Joyce Foundation | 1 | $400.0k |
| The Commonwealth Fund | 6 | $391.1k |
| Cleveland Foundation | 3 | $300.0k |
| JPMORGAN CHASE FOUNDATION | 1 | $300.0k |
| Surdna Foundation | 1 | $300.0k |
| Heinz Endowments | 2 | $300.0k |
| Rockefeller Brothers Fund | 2 | $285.0k |
| Charles Stewart Mott Foundation | 4 | $285.0k |
| THE RALPH C WILSON JR FOUNDATION | 2 | $275.0k |
| AMERICAN ENDOWMENT FOUNDATION | 2 | $250.0k |
| THE GOLDMAN SACHS CHARITABLE GIFT FUND | 4 | $238.2k |