1. Gordon and Betty Moore Foundation $293.11 M
2. The David and Lucile Packard Foundation $136.07 M
3. Oak Foundation $78.82 M
4. The Pew Charitable Trusts $52.79 M
5. Walton Family Foundation $50.36 M
6. The Marisla Foundation $40.58 M
7. Bloomberg Family Foundation Inc $37.77 M
8. Waitt Foundation $31.26 M
9. Annenberg Foundation $23.18 M
10. Nationale Postcode Loterij $19.79 M
11. The Rockefeller Foundation $18.59 M
12. The Keith Campbell Foundation for the Environment, Inc. $17.84 M
13. Oceans 5 $17.40 M
14. Arcadia Fund $16.05 M
15. The Paul G. Allen Family Foundation $13.17 M
16. Margaret A. Cargill Foundation $12.40 M
17. John D. and Catherine T. MacArthur Foundation $11.24 M
18. Leonardo DiCaprio Foundation $11.04 M
19. The Leona M. and Harry B. Helmsley Charitable Trust $9.76 M
20. The William and Flora Hewlett Foundation $8.34 M
21. The Skoll Foundation $8.30 M
22. Simons Foundation $8.19 M
23. The Oak Foundation U.S.A. $8.15 M
24. The Lenfest Foundation, Inc. $7.75 M
25. National Fish and Wildlife Foundation $7.58 M

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