| Leona M & Harry B Helmsley Charitable Trust | 2 | $0 |
| Bloomberg Family Foundation Inc | 3 | $59.0m |
| David and Lucile Packard Foundation | 19 | $19.9m |
| William and Flora Hewlett Foundation | 27 | $18.1m |
| Gordon and Betty Moore Foundation | 14 | $12.5m |
| SERGEY BRIN FAMILY FOUNDATION C/O PACIFIC FOUNDATION SERVICES | 1 | $12.5m |
| THE KEITH CAMPBELL FOUNDATION FOR THE ENVIRONMENT INC | 12 | $9.8m |
| VANGUARD CHARITABLE ENDOWMENT PROGRAM | 1 | $4.0m |
| Arnold Ventures (Laura and John Arnold Foundation) | 5 | $2.4m |
| ROCKEFELLER PHILANTHROPY ADVISORS INC | 2 | $2.0m |
| Combined Jewish Philanthropies of Greater Boston Inc | 1 | $1.5m |
| MARIN COMMUNITY FOUNDATION | 1 | $1.5m |
| NATIONAL PHILANTHROPIC TRUST | 2 | $1.5m |
| The Kresge Foundation | 4 | $1.1m |
| CRANKSTART FOUNDATION | 1 | $1.0m |
| Rockefeller Brothers Fund | 2 | $500.0k |
| ORANGE COUNTY COMMUNITY FOUNDATION | 2 | $500.0k |
| Rockefeller Foundation | 1 | $500.0k |
| Walton Family Foundation | 4 | $450.0k |
| California Endowment | 3 | $450.0k |
| HAROLD KL CASTLE FOUNDATION | 6 | $334.0k |
| THE SCHMIDT FAMILY FOUNDATION | 2 | $300.0k |
| THE CALIFORNIA WELLNESS FOUNDATION | 1 | $250.0k |
| Wend II Inc | 2 | $250.0k |
| Builders Initiative Foundation | 2 | $215.0k |
| WILBURFORCE FOUNDATION C/O LISA WEINSTEIN | 4 | $210.0k |
| GRANTHAM FOUNDATION FOR THE PROTECTION OF THE ENVIRONMENT | 1 | $200.0k |
| THE ROSALINDE AND ARTHUR GILBERT FOUNDATION | 3 | $183.9k |
| THE CHRISTENSEN FUND | 2 | $150.0k |
| GREATER HOUSTON COMMUNITY FOUNDATION | 1 | $150.0k |
| CALIFORNIA COMMUNITY FOUNDATION | 1 | $140.0k |
| Silicon Valley Community Foundation | 1 | $125.0k |
| Doris Duke Foundation | 1 | $100.0k |
| Amalgamated Charitable Foundation Inc | 2 | $95.0k |
| Pew Charitable Trusts | 2 | $74.9k |
| Joyce Foundation | 1 | $50.0k |
| Meyer Memorial Trust | 1 | $50.0k |
| THE JM KAPLAN FUND INC | 1 | $50.0k |
| SCHWAB CHARITABLE FUND | 1 | $11.0k |
| THE LIZ CLAIBORNE & ART ORTENBERG FOUNDATION | 1 | $10.0k |
| THE SATTERBERG FOUNDATION INC | 1 | $5.0k |