1. John D. and Catherine T. MacArthur Foundation $109.40 M
2. The William and Flora Hewlett Foundation $62.65 M
3. Sea Change Foundation $51.13 M
4. The David and Lucile Packard Foundation $47.91 M
5. The Kresge Foundation $24.03 M
6. Heising-Simons Foundation $23.28 M
7. The McKnight Foundation $22.89 M
8. Doris Duke Charitable Foundation, Inc. $21.67 M
9. The Skoll Foundation $15.00 M
10. ClimateWorks Foundation $13.77 M
11. Silicon Valley Community Foundation $10.82 M
12. The Energy Foundation $9.98 M
13. The Schmidt Family Foundation $9.46 M
14. Greenpeace Fund, Inc. $9.43 M
15. Alfred P. Sloan Foundation $8.85 M
16. Robertson Foundation $8.00 M
17. Gordon and Betty Moore Foundation $7.88 M
18. Bloomberg Family Foundation Inc $7.86 M
19. Overlook International Foundation Inc. $6.05 M
20. Fidelity Charitable $5.92 M
21. Oak Foundation $5.90 M
22. Foundation to Promote Open Society $5.46 M
23. The Benificus Foundation $5.06 M
24. The Joyce Foundation $4.98 M
25. The George Gund Foundation $4.24 M

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