| Bill & Melinda Gates Foundation | 42 | $55.4m |
| William and Flora Hewlett Foundation | 23 | $10.8m |
| SERGEY BRIN FAMILY FOUNDATION C/O PACIFIC FOUNDATION SERVICES | 3 | $6.4m |
| Wellcome Trust | 7 | $4.8m |
| Rockefeller Foundation | 11 | $3.6m |
| Doris Duke Foundation | 2 | $3.0m |
| SEQUOIA CLIMATE FOUNDATION | 2 | $2.7m |
| NATIONAL PHILANTHROPIC TRUST | 2 | $2.2m |
| GS DONOR ADVISED PHILANTHROPY FUND FOR WEALTH MANAGEMENT INC | 1 | $2.0m |
| David and Lucile Packard Foundation | 4 | $1.9m |
| Conrad N Hilton Foundation | 6 | $1.0m |
| CALIFORNIA COMMUNITY FOUNDATION | 1 | $1.0m |
| CRANKSTART FOUNDATION | 1 | $1.0m |
| John D and Catherine T MacArthur Foundation | 2 | $750.0k |
| CATENA FOUNDATION | 2 | $720.0k |
| Charles Stewart Mott Foundation | 6 | $685.0k |
| TIDES FOUNDATION | 1 | $582.0k |
| MARIN COMMUNITY FOUNDATION | 2 | $536.0k |
| Omidyar Network Fund Inc | 2 | $520.0k |
| THE PATRICK J MCGOVERN FOUNDATION INC | 1 | $500.0k |
| SKYLINE FOUNDATION | 1 | $500.0k |
| UNITED JEWISH APPEAL-FEDERATION OF JEWISH PHILANTHROPIES OF NEW YORK INC | 1 | $500.0k |
| Ford Foundation | 1 | $500.0k |
| McKnight Foundation | 4 | $400.0k |
| THE HEISING-SIMONS FOUNDATION | 2 | $400.0k |
| FOUNDATION TO PROMOTE OPEN SOCIETY | 2 | $400.0k |
| W. K. Kellogg Foundation | 2 | $318.3k |
| Silicon Valley Community Foundation | 2 | $274.8k |
| New York Community Trust | 2 | $264.0k |
| SCHWAB CHARITABLE FUND | 2 | $249.0k |
| Rockefeller Brothers Fund | 2 | $200.0k |
| SEATTLE FOUNDATION | 2 | $150.0k |
| S&P GLOBAL FOUNDATION FKA THE MCGRAW-HILL RESEARCH FOUNDATION | 1 | $150.0k |
| Amalgamated Charitable Foundation Inc | 1 | $70.0k |
| ROCKEFELLER PHILANTHROPY ADVISORS INC | 1 | $50.0k |
| VANGUARD CHARITABLE ENDOWMENT PROGRAM | 2 | $36.8k |
| AMERICAN ENDOWMENT FOUNDATION | 2 | $29.8k |
| Builders Initiative Foundation | 1 | $29.0k |
| Pittsburgh Foundation | 2 | $20.0k |
| THE SIDNEY E FRANK FOUNDATION C/O PKF O'CONNOR DAVIES | 1 | $20.0k |
| ROY AND PATRICIA DISNEY FAMILY FOUNDATION | 1 | $15.0k |
| CHARITIES AID FOUNDATION AMERICA | 1 | $10.1k |
| Tulsa Community Foundation | 1 | $10.0k |
| THE MINNEAPOLIS FOUNDATION | 1 | $5.6k |
| FIDELITY FOUNDATION | 5 | $3.0k |
| JPMORGAN CHASE FOUNDATION | 2 | $2.2k |
| CA-CRA-131499832RR0001 | 1 | $2.0k |
| THE PFIZER FOUNDATION INC | 3 | $1.1k |
| THE CIGNA GROUP FOUNDATION | 2 | $621 |
| SEMNANI FAMILY FOUNDATION | 1 | $500 |