1. Gordon and Betty Moore Foundation $341.20 M
2. The David and Lucile Packard Foundation $138.11 M
3. Oak Foundation $79.38 M
4. Walton Family Foundation $53.15 M
5. The Pew Charitable Trusts $52.79 M
6. The Marisla Foundation $40.75 M
7. Bloomberg Family Foundation Inc $37.42 M
8. Waitt Foundation $31.26 M
9. Annenberg Foundation $23.42 M
10. Oceans 5 $23.02 M
11. Nationale Postcode Loterij $19.79 M
12. The Rockefeller Foundation $19.09 M
13. The Keith Campbell Foundation for the Environment, Inc. $18.12 M
14. Arcadia Fund $15.60 M
15. Margaret A. Cargill Foundation $13.96 M
16. The William and Flora Hewlett Foundation $13.71 M
17. The Paul G. Allen Family Foundation $12.72 M
18. John D. and Catherine T. MacArthur Foundation $11.24 M
19. Leonardo DiCaprio Foundation $10.99 M
20. The Leona M. and Harry B. Helmsley Charitable Trust $10.34 M
21. National Fish and Wildlife Foundation $9.67 M
22. The Oak Foundation U.S.A. $9.63 M
23. The Skoll Foundation $8.25 M
24. Simons Foundation $8.19 M
25. Cargill Foundation $7.75 M

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