1. John D. and Catherine T. Macarthur Foundation $99.00 M
2. The William and Flora Hewlett Foundation $61.25 M
3. Sea Change Foundation $51.13 M
4. The David and Lucile Packard Foundation $47.91 M
5. Barr Foundation $46.93 M
6. The Kresge Foundation $24.03 M
7. The Mcknight Foundation $22.89 M
8. Heising-Simons Foundation $22.21 M
9. Doris Duke Charitable Foundation, Inc. $21.87 M
10. The Skoll Foundation $15.10 M
11. Climateworks Foundation $13.53 M
12. Silicon Valley Community Foundation $10.63 M
13. Greenpeace Fund, Inc. $9.43 M
14. The Energy Foundation $9.15 M
15. Robertson Foundation $8.00 M
16. Bloomberg Family Foundation Inc $7.86 M
17. Gordon and Betty Moore Foundation $6.97 M
18. Overlook International Foundation Inc. $6.25 M
19. Fidelity Charitable $6.21 M
20. Alfred P. Sloan Foundation $5.90 M
21. The San Francisco Foundation $5.41 M
22. The Benificus Foundation $5.06 M
23. The George Gund Foundation $4.24 M
24. Oak Foundation $4.00 M
25. The Schmidt Family Foundation $3.85 M

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