| Charles Koch Foundation | 4 | $34.7m |
| Donors Trust Inc | 7 | $9.7m |
| SERGEY BRIN FAMILY FOUNDATION C/O PACIFIC FOUNDATION SERVICES | 1 | $4.9m |
| NATIONAL PHILANTHROPIC TRUST | 2 | $4.2m |
| SARAH SCAIFE FOUNDATION INCORPORATED | 7 | $3.0m |
| William and Flora Hewlett Foundation | 4 | $1.2m |
| Lettie Pate Whitehead Foundation Inc | 2 | $619.8k |
| The Winston-Salem Foundation | 2 | $601.1k |
| Arnold Ventures (Laura and John Arnold Foundation) | 7 | $592.5k |
| The Lynde and Harry Bradley Foundation Inc | 12 | $545.0k |
| Silicon Valley Community Foundation | 2 | $415.2k |
| Lilly Endowment Inc | 4 | $400.0k |
| VANGUARD CHARITABLE ENDOWMENT PROGRAM | 2 | $349.0k |
| CLARK CHARITABLE FOUNDATION INC DBA A JAMES & ALICE B CLARK FOUNDATION | 4 | $257.9k |
| SCHWAB CHARITABLE FUND | 2 | $180.2k |
| TEACH A MAN TO FISH FOUNDATION | 1 | $150.0k |
| William Randolph Hearst Foundation | 1 | $150.0k |
| Good Ventures Foundation | 1 | $150.0k |
| IMPACTASSETSINC | 1 | $130.0k |
| Greater Washington Community Foundation | 2 | $105.0k |
| COLUMBUS FOUNDATION | 2 | $93.0k |
| Amalgamated Charitable Foundation Inc | 1 | $75.0k |
| RAYMOND JAMES CHARITABLE ENDOWMENT FUND | 1 | $62.0k |
| CRANKSTART FOUNDATION | 1 | $50.0k |
| THE MORRIS AND GWENDOLYN CAFRITZ FOUNDATION | 1 | $50.0k |
| MARIN COMMUNITY FOUNDATION | 2 | $35.0k |
| AMERICAN ENDOWMENT FOUNDATION | 2 | $30.0k |
| TRUIST FOUNDATION INC | 1 | $30.0k |
| THE BESSEMER GIVING FUND C/O BESSEMER TRUST COMPANY TRUSTEE | 1 | $25.0k |
| JEWISH COMMUNITY FEDERATION OF SAN FRANCISCO THE PENINSULA MARIN & SONOMA | 1 | $25.0k |
| LLOYD A FRY FOUNDATION | 2 | $23.0k |
| FOUNDATION FOR THE CAROLINAS | 1 | $20.0k |
| THE ERIC AND WENDY SCHMIDT FUND FOR STRATEGIC INNOVATION | 1 | $20.0k |
| Gordon and Betty Moore Foundation | 2 | $20.0k |
| Simons Foundation | 2 | $16.8k |
| Dr Scholl Foundation | 1 | $15.0k |
| Robert Wood Johnson Foundation | 10 | $15.0k |
| THE DAYTON FOUNDATION | 1 | $14.9k |
| NATL CHRISTIAN CHARITABLE FDN INC | 2 | $11.5k |
| JEWISH COMMUNAL FUND | 1 | $10.3k |
| THE US CHARITABLE GIFT TRUST | 1 | $8.0k |
| CHARITIES AID FOUNDATION AMERICA | 1 | $6.1k |
| FIDELITY FOUNDATION | 3 | $1.3k |
| J. Paul Getty Trust | 2 | $100 |