| William and Flora Hewlett Foundation | 12 | $3.8m |
| Margaret A. Cargill Foundation | 2 | $2.0m |
| SCHWAB CHARITABLE FUND | 2 | $2.0m |
| John D and Catherine T MacArthur Foundation | 11 | $1.6m |
| Open Society Institute | 8 | $1.2m |
| Silicon Valley Community Foundation | 3 | $1.2m |
| Bill & Melinda Gates Foundation | 2 | $1.2m |
| BENDER FOUNDATION INC | 2 | $1.0m |
| David and Lucile Packard Foundation | 3 | $870.0k |
| FOUNDATION TO PROMOTE OPEN SOCIETY | 3 | $810.0k |
| Andrew W Mellon Foundation | 1 | $750.0k |
| Lumina Foundation | 2 | $720.0k |
| VANGUARD CHARITABLE ENDOWMENT PROGRAM | 2 | $705.8k |
| Carnegie Corporation of New York | 3 | $672.2k |
| Ford Foundation | 6 | $578.0k |
| PARK FOUNDATION INC | 4 | $550.0k |
| NATIONAL PHILANTHROPIC TRUST | 2 | $508.0k |
| Rockefeller Foundation | 4 | $501.3k |
| Joyce Foundation | 2 | $500.0k |
| Charles Stewart Mott Foundation | 3 | $350.0k |
| WYNCOTE FOUNDATION | 1 | $210.0k |
| PUBLIC WELFARE FOUNDATION INC | 2 | $200.0k |
| THE JEWISH FEDERATION OF GREATER WASHINGTON INC | 4 | $177.8k |
| The Kresge Foundation | 3 | $160.0k |
| THE TEAGLE FOUNDATION | 2 | $156.2k |
| AMERICAN ENDOWMENT FOUNDATION | 3 | $148.1k |
| Greater Washington Community Foundation | 2 | $119.5k |
| Walton Family Foundation | 2 | $110.0k |
| Henry Luce Foundation | 1 | $100.0k |
| SMITH RICHARDSON FOUNDATION INC | 1 | $100.0k |
| Good Ventures Foundation | 1 | $100.0k |
| THE HEISING-SIMONS FOUNDATION | 1 | $100.0k |
| IMPACTASSETSINC | 3 | $64.8k |
| Howard Hughes Medical Institute | 2 | $60.0k |
| T ROWE PRICE PROGRAM FOR CHARITABLE GIVING INC | 2 | $55.5k |
| THE MIAMI FOUNDATION INC | 3 | $55.0k |
| AMERICAN GIFT FUND | 1 | $51.5k |
| THE EDUCATIONAL FOUNDATION OF AMERICA C/O INTENTIONAL PHILANTHROPY | 1 | $50.0k |
| ROCKEFELLER PHILANTHROPY ADVISORS INC | 1 | $50.0k |
| THE MORRIS AND GWENDOLYN CAFRITZ FOUNDATION | 2 | $47.0k |
| Charles Koch Foundation | 2 | $35.5k |
| JEWISH COMMUNAL FUND | 2 | $33.9k |
| Alfred P. Sloan Foundation | 1 | $33.0k |
| Pew Charitable Trusts | 3 | $32.2k |
| THE GOLDMAN SACHS CHARITABLE GIFT FUND | 2 | $25.0k |
| RAYMOND JAMES CHARITABLE ENDOWMENT FUND | 1 | $20.0k |
| Central Indiana Community Foundation Inc | 1 | $20.0k |
| Tulsa Community Foundation | 2 | $18.8k |
| MARGUERITE CASEY FOUNDATION | 1 | $15.0k |
| THE COMMUNITY FOUNDATION OF LOUISVILLE INC | 2 | $15.0k |