1. John D. and Catherine T. MacArthur Foundation $109.00 M
2. The William and Flora Hewlett Foundation $62.40 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. $21.87 M
9. The Skoll Foundation $15.10 M
10. ClimateWorks Foundation $13.77 M
11. Bloomberg Family Foundation Inc $11.60 M
12. Silicon Valley Community Foundation $10.65 M
13. The Energy Foundation $9.98 M
14. The Schmidt Family Foundation $9.46 M
15. Greenpeace Fund, Inc. $9.20 M
16. Alfred P. Sloan Foundation $8.85 M
17. Robertson Foundation $8.00 M
18. Gordon and Betty Moore Foundation $6.97 M
19. Overlook International Foundation Inc. $6.05 M
20. Fidelity Charitable $5.95 M
21. Foundation to Promote Open Society $5.46 M
22. The Benificus Foundation $5.06 M
23. The Joyce Foundation $4.69 M
24. The George Gund Foundation $4.10 M
25. Oak Foundation $3.90 M

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