1. John D. and Catherine T. MacArthur Foundation $89.00 M
2. The William and Flora Hewlett Foundation $62.47 M
3. Sea Change Foundation $41.41 M
4. Robertson Foundation $24.75 M
5. The Kresge Foundation $22.50 M
6. McKnight Foundation $18.99 M
7. The David and Lucile Packard Foundation $16.04 M
8. The Skoll Foundation $15.00 M
9. Heising-Simons Foundation $13.92 M
10. ClimateWorks Foundation $13.57 M
11. Barr Foundation $10.61 M
12. Silicon Valley Community Foundation $10.27 M
13. The Energy Foundation $9.96 M
14. Doris Duke Charitable Foundation, Inc. $9.21 M
15. Fidelity Charitable $6.94 M
16. The Kendeda Fund $6.58 M
17. Gordon and Betty Moore Foundation $6.13 M
18. Foundation For The Carolinas $6.11 M
19. Foundation to Promote Open Society $5.46 M
20. Greenpeace Fund, Inc. $4.73 M
21. Rockefeller Brothers Fund $3.86 M
22. The George Gund Foundation $3.78 M
23. Town Creek Foundation, Inc. $3.71 M
24. Oak Foundation $3.05 M
25. Good Ventures Foundation $3.00 M

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