| Ford Foundation | 28 | $12.6m |
| Bill & Melinda Gates Foundation | 20 | $11.8m |
| The Kresge Foundation | 18 | $5.1m |
| APHORISM FOUNDATION C/O REALIZE CPA LLP | 2 | $4.2m |
| FOUNDATION TO PROMOTE OPEN SOCIETY | 5 | $4.2m |
| Walton Family Foundation | 5 | $3.8m |
| William and Flora Hewlett Foundation | 12 | $3.4m |
| Annie E. Casey Foundation | 7 | $3.0m |
| Lumina Foundation | 8 | $2.9m |
| SCHWAB CHARITABLE FUND | 2 | $1.6m |
| Rockefeller Foundation | 11 | $1.5m |
| Silicon Valley Community Foundation | 3 | $1.5m |
| John D and Catherine T MacArthur Foundation | 9 | $1.4m |
| Open Society Institute | 8 | $1.3m |
| Carnegie Corporation of New York | 7 | $1.3m |
| THE HEISING-SIMONS FOUNDATION | 2 | $1.2m |
| NATIONAL PHILANTHROPIC TRUST | 2 | $1.2m |
| David and Lucile Packard Foundation | 3 | $1.0m |
| Joyce Foundation | 5 | $950.0k |
| W. K. Kellogg Foundation | 4 | $950.0k |
| Bloomberg Family Foundation Inc | 1 | $848.0k |
| Omidyar Network Fund Inc | 3 | $600.0k |
| JPMORGAN CHASE FOUNDATION | 1 | $500.0k |
| TIDES FOUNDATION | 1 | $500.0k |
| SCHULTZ FAMILY FOUNDATION | 1 | $350.0k |
| Rockefeller Brothers Fund | 3 | $235.0k |
| THE RALPH C WILSON JR FOUNDATION | 1 | $200.0k |
| SMITH RICHARDSON FOUNDATION INC | 3 | $165.0k |
| W Clement & Jessie V Stone Foundation | 2 | $160.0k |
| McKnight Foundation | 1 | $150.0k |
| THE SMIDT FOUNDATION | 1 | $125.0k |
| James Irvine Foundation | 1 | $125.0k |
| CALIFORNIA COMMUNITY FOUNDATION | 1 | $100.0k |
| GS DONOR ADVISED PHILANTHROPY FUND FOR WEALTH MANAGEMENT INC | 1 | $100.0k |
| THE SOBRATO FAMILY FOUNDATION | 1 | $100.0k |
| Arnold Ventures (Laura and John Arnold Foundation) | 1 | $64.9k |
| JPB Foundation (Freedom Together Foundation) | 1 | $55.0k |
| VANGUARD CHARITABLE ENDOWMENT PROGRAM | 2 | $50.5k |
| Alfred P. Sloan Foundation | 1 | $50.0k |
| RETIREMENT RESEARCH FOUNDATION DBA RRF FOUNDATION FOR AGING | 1 | $38.0k |
| JOHN & MARY R MARKLE FOUNDATION | 2 | $30.0k |
| FOUNDATION FOR CHILD DEVELOPMENT | 1 | $30.0k |
| Doris Duke Foundation | 1 | $25.0k |
| ROCKEFELLER PHILANTHROPY ADVISORS INC | 1 | $22.0k |