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 $46.74 M
5. Heising-Simons Foundation $23.98 M
6. The Kresge Foundation $23.43 M
7. Doris Duke Charitable Foundation, Inc. $21.59 M
8. The McKnight Foundation $21.27 M
9. The Skoll Foundation $15.00 M
10. ClimateWorks Foundation $13.77 M
11. Barr Foundation $13.47 M
12. Robertson Foundation $12.50 M
13. Bloomberg Family Foundation Inc $11.60 M
14. Silicon Valley Community Foundation $10.78 M
15. The Energy Foundation $9.61 M
16. The Schmidt Family Foundation $9.24 M
17. Alfred P. Sloan Foundation $8.72 M
18. Overlook International Foundation Inc. $6.18 M
19. Oak Foundation $6.00 M
20. Gordon and Betty Moore Foundation $5.99 M
21. Fidelity Charitable $5.96 M
22. Foundation to Promote Open Society $5.46 M
23. The Benificus Foundation $5.06 M
24. Greenpeace Fund, Inc. $4.73 M
25. The Joyce Foundation $4.73 M

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