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 $46.74 M
5. Heising-Simons Foundation $23.98 M
6. The Kresge Foundation $23.43 M
7. Doris Duke Charitable Foundation, Inc. $21.87 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 $12.03 M
14. Silicon Valley Community Foundation $10.80 M
15. The Energy Foundation $9.61 M
16. The Schmidt Family Foundation $9.24 M
17. Alfred P. Sloan Foundation $8.85 M
18. Overlook International Foundation Inc. $6.02 M
19. Foundation to Promote Open Society $5.88 M
20. Fidelity Charitable $5.78 M
21. The Benificus Foundation $5.06 M
22. Gordon and Betty Moore Foundation $4.92 M
23. The Joyce Foundation $4.78 M
24. Greenpeace Fund, Inc. $4.50 M
25. The George Gund Foundation $4.03 M

+ More- Show Less