| Leona M & Harry B Helmsley Charitable Trust | 4 | $0 |
| Bill & Melinda Gates Foundation | 16 | $19.9m |
| SCHWAB CHARITABLE FUND | 2 | $6.6m |
| Silicon Valley Community Foundation | 3 | $4.5m |
| Simons Foundation | 36 | $4.3m |
| American Heart Association Inc | 3 | $4.2m |
| SIRIWAN SINGHASIRI AND KENNETH LIN FOUNDATION | 2 | $3.6m |
| FOUNDATION TO PROMOTE OPEN SOCIETY | 2 | $3.0m |
| NATIONAL PHILANTHROPIC TRUST | 2 | $2.9m |
| VANGUARD CHARITABLE ENDOWMENT PROGRAM | 2 | $2.8m |
| William and Flora Hewlett Foundation | 9 | $2.4m |
| GS DONOR ADVISED PHILANTHROPY FUND FOR WEALTH MANAGEMENT INC | 1 | $2.4m |
| Rockefeller Foundation | 8 | $2.1m |
| Boston Foundation Inc | 9 | $1.9m |
| John Templeton Foundation | 7 | $1.9m |
| Lilly Endowment Inc | 4 | $1.8m |
| W. K. Kellogg Foundation | 8 | $1.7m |
| Arnold Ventures (Laura and John Arnold Foundation) | 15 | $1.5m |
| Rockefeller Brothers Fund | 8 | $1.4m |
| Ford Foundation | 9 | $1.3m |
| Charles Stewart Mott Foundation | 3 | $1.2m |
| STUPSKI FOUNDATION | 1 | $1.1m |
| THE SOBRATO FAMILY FOUNDATION | 3 | $1.0m |
| THE PAUL G ALLEN FAMILY FOUNDATION | 2 | $1.0m |
| The Schooner Foundation c/o Schooner Capital LLC | 7 | $611.9k |
| Pew Charitable Trusts | 4 | $585.0k |
| Combined Jewish Philanthropies of Greater Boston Inc | 2 | $548.7k |
| Lumina Foundation | 1 | $500.0k |
| Conrad N Hilton Foundation | 5 | $450.0k |
| Good Ventures Foundation | 1 | $414.0k |
| The Spencer Foundation | 2 | $388.7k |
| Mother Cabrini Health Foundation | 3 | $385.4k |
| THE US CHARITABLE GIFT TRUST | 1 | $382.9k |
| AMERICAN ENDOWMENT FOUNDATION | 6 | $367.8k |
| WARREN ALPERT FOUNDATION | 2 | $342.5k |
| CHARITIES AID FOUNDATION AMERICA | 2 | $342.3k |
| WILLIAM T GRANT FOUNDATION INC | 2 | $339.1k |
| THE ESTHER A & JOSEPH KLINGENSTEIN FUND INC | 3 | $225.0k |
| THE TEAGLE FOUNDATION | 2 | $200.0k |
| SMITH RICHARDSON FOUNDATION INC | 2 | $198.1k |
| Gordon and Betty Moore Foundation | 1 | $183.9k |
| The Childrens Hospital Of Philadelphia | 3 | $182.7k |
| David and Lucile Packard Foundation | 1 | $159.3k |
| THE GOLDMAN SACHS CHARITABLE GIFT FUND | 5 | $139.0k |
| The Commonwealth Fund | 5 | $135.6k |
| MARGUERITE CASEY FOUNDATION | 1 | $135.0k |
| RAINWATER CHARITABLE FOUNDATION | 1 | $100.0k |
| Howard Hughes Medical Institute | 3 | $90.0k |
| TRIANGLE COMMUNITY FOUNDATION INC | 2 | $75.0k |
| New York Community Trust | 2 | $71.5k |