1. Howard G. Buffett Foundation $91.39 M
2. Bill & Melinda Gates Foundation $14.96 M
3. Arcus Foundation $7.35 M
4. Oak Foundation $6.94 M
5. Ford Foundation $6.36 M
6. California Community Foundation $5.41 M
7. Jrs Biodiversity Foundation $3.75 M
8. Greg Carr Foundation, Inc. $3.67 M
9. The David and Lucile Packard Foundation $3.45 M
10. Annenberg Foundation $3.38 M
11. The Wildcat Foundation $2.66 M
12. John D. and Catherine T. Macarthur Foundation $1.79 M
13. African Development Foundation $1.65 M
14. The Christensen Fund $1.59 M
15. Margaret A. Cargill Foundation $1.50 M
16. The Paul G. Allen Family Foundation $1.40 M
17. The Andrew W. Mellon Foundation $1.35 M
18. Omaha Community Foundation $1.21 M
19. International Development Research Centre $1.21 M
20. Fund for Global Human Rights, Inc. $1.20 M
21. Fidelity Charitable $1.19 M
22. Comic Relief $1.16 M
23. The Chicago Community Trust $1.16 M
24. The Leona M. and Harry B. Helmsley Charitable Trust $1.08 M
25. Wellspring Philanthropic Fund, Inc. $1.04 M

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