| Bill & Melinda Gates Foundation | 21 | $11.7m |
| VANGUARD CHARITABLE ENDOWMENT PROGRAM | 2 | $6.7m |
| THE SUNDERLAND FOUNDATION | 6 | $6.2m |
| ISLANDS FUND C/O JOHN MUNN | 3 | $6.0m |
| GROUSEMONT FOUNDATION | 3 | $5.1m |
| William and Flora Hewlett Foundation | 3 | $3.2m |
| W. K. Kellogg Foundation | 4 | $3.1m |
| CHAN ZUCKERBERG INITIATIVE FOUNDATION | 2 | $2.5m |
| NATIONAL PHILANTHROPIC TRUST | 2 | $2.4m |
| PIVOTAL PHILANTHROPIES FOUNDATION | 1 | $2.0m |
| Silicon Valley Community Foundation | 3 | $2.0m |
| Robert Wood Johnson Foundation | 12 | $1.9m |
| JPMORGAN CHASE FOUNDATION | 1 | $1.7m |
| SCHWAB CHARITABLE FUND | 2 | $1.3m |
| Ford Foundation | 4 | $1.2m |
| Conrad N Hilton Foundation | 14 | $1.0m |
| SKYLINE FOUNDATION | 1 | $1.0m |
| Annie E. Casey Foundation | 3 | $680.0k |
| Wend II Inc | 1 | $600.0k |
| Kauffman Foundation | 2 | $555.6k |
| James Irvine Foundation | 2 | $504.0k |
| MARGUERITE CASEY FOUNDATION | 2 | $500.0k |
| McKnight Foundation | 3 | $325.0k |
| William Penn Foundation | 3 | $300.0k |
| IMPACTASSETSINC | 2 | $277.5k |
| THE SATTERBERG FOUNDATION INC | 5 | $250.0k |
| California Endowment | 3 | $243.3k |
| THE IRVING HARRIS FOUNDATION | 1 | $150.0k |
| APEX FOUNDATION | 1 | $100.0k |
| John D and Catherine T MacArthur Foundation | 1 | $100.0k |
| California Healthcare Foundation | 1 | $60.0k |
| David and Lucile Packard Foundation | 1 | $50.0k |
| THE ROOTS AND WINGS FOUNDATION INC | 1 | $50.0k |
| SCHULTZ FAMILY FOUNDATION | 1 | $50.0k |
| KONZEN FAMILY FOUNDATION | 2 | $50.0k |
| SAINT PAUL & MINNESOTA FOUNDATION | 1 | $33.0k |
| TIDES FOUNDATION | 1 | $25.0k |
| JOHNSON CHARITABLE GIFT FUND | 1 | $25.0k |
| JEWISH COMMUNITY FEDERATION OF SAN FRANCISCO THE PENINSULA MARIN & SONOMA | 1 | $25.0k |
| ROCKEFELLER PHILANTHROPY ADVISORS INC | 1 | $25.0k |
| THE PAUL G ALLEN FAMILY FOUNDATION | 1 | $24.8k |
| NORTHWEST AREA FOUNDATION | 1 | $8.0k |
| GS DONOR ADVISED PHILANTHROPY FUND FOR WEALTH MANAGEMENT INC | 1 | $5.5k |
| WASSERMAN FOUNDATION | 1 | $5.0k |