| Bill & Melinda Gates Foundation | 44 | $44.8m |
| Bloomberg Family Foundation Inc | 3 | $14.5m |
| The Duke Endowment | 28 | $9.1m |
| Silicon Valley Community Foundation | 3 | $7.8m |
| Wellcome Trust | 7 | $7.8m |
| Leona M & Harry B Helmsley Charitable Trust | 23 | $5.0m |
| American Heart Association Inc | 4 | $3.8m |
| Howard Hughes Medical Institute | 4 | $2.9m |
| Arnold Ventures (Laura and John Arnold Foundation) | 9 | $2.9m |
| W. K. Kellogg Foundation | 5 | $2.6m |
| Knight Foundation | 6 | $2.6m |
| Doris Duke Foundation | 11 | $2.4m |
| John Templeton Foundation | 6 | $1.9m |
| SCHWAB CHARITABLE FUND | 2 | $1.9m |
| Annie E. Casey Foundation | 5 | $1.8m |
| THE DALLAS FOUNDATION | 1 | $1.6m |
| The Kresge Foundation | 5 | $1.5m |
| William and Flora Hewlett Foundation | 5 | $1.4m |
| FOUNDATION FOR THE CAROLINAS | 4 | $1.4m |
| Andrew W Mellon Foundation | 5 | $1.4m |
| DOGWOOD HEALTH TRUST | 7 | $1.2m |
| THE JOHN A HARTFORD FOUNDATION INC | 2 | $1.1m |
| TRIANGLE COMMUNITY FOUNDATION INC | 5 | $1.1m |
| AMERICAN ENDOWMENT FOUNDATION | 7 | $935.6k |
| FIDELITY FOUNDATION | 14 | $934.4k |
| David and Lucile Packard Foundation | 6 | $925.5k |
| Lettie Pate Whitehead Foundation Inc | 2 | $897.0k |
| The Childrens Hospital Of Philadelphia | 3 | $656.2k |
| Good Ventures Foundation | 1 | $650.4k |
| Tulsa Community Foundation | 3 | $637.9k |
| THE ROBERT D AND PATRICIA E KERN FAMILY FOUNDATION INC | 2 | $626.0k |
| THE GOLDMAN SACHS CHARITABLE GIFT FUND | 4 | $600.0k |
| NORTH CAROLINA COMMUNITY FOUNDATION | 12 | $598.5k |
| JR HYDE III FAMILY FOUNDATION | 1 | $552.0k |
| The Spencer Foundation | 4 | $532.3k |
| NATL CHRISTIAN CHARITABLE FDN INC | 2 | $510.9k |
| Carnegie Corporation of New York | 3 | $475.0k |
| VANGUARD CHARITABLE ENDOWMENT PROGRAM | 2 | $467.5k |
| PRITZKER FAMILY FOUNDATION C/O PRITZKER GROUP | 4 | $423.0k |
| NATIONAL PHILANTHROPIC TRUST | 2 | $404.0k |
| THE SAMUEL FAMILY FOUNDATION | 2 | $402.0k |
| George Kaiser Family Foundation | 2 | $388.2k |
| T ROWE PRICE PROGRAM FOR CHARITABLE GIVING INC | 2 | $353.9k |
| CHINA MEDICAL BOARD INC | 1 | $340.0k |
| Henry Luce Foundation | 2 | $320.0k |
| Houston Endowment | 2 | $300.0k |
| Susan Thompson Buffett Foundation | 2 | $260.7k |
| SMITH RICHARDSON FOUNDATION INC | 3 | $217.7k |
| TIDES FOUNDATION | 1 | $215.0k |
| Research Corporation dba Research Corporation for Science Advancement | 3 | $210.0k |