1. Bill & Melinda Gates Foundation $3.90 M
2. The Andrew W. Mellon Foundation $658.00 K
3. The Rockefeller Foundation $499.24 K
4. Ford Foundation $450.00 K
5. The David & Elaine Potter Foundation $439.84 K
6. Citi Foundation $400.00 K
7. David and Elaine Potter Foundation $395.41 K
8. Michael & Susan Dell Foundation $365.02 K
9. The Agouron Institute $347.51 K
10. Simons Foundation $277.93 K
11. King Baudouin Foundation $173.72 K
12. The Sigrid Rausing Trust $152.87 K
13. The Indigo Trust $123.61 K
14. Mastercard Foundation $100.00 K
15. The Skoll Foundation $81.00 K
16. The Skoll Fund $81.00 K
17. Charles Stewart Mott Foundation $75.00 K
18. Omidyar Network Fund, Inc. $70.19 K
19. Global Greengrants Fund, Inc. $61.50 K
20. Interactive Intelligence Foundation Corp. $61.00 K
21. Segal Family Foundation $31.50 K
22. Calabar Foundation $28.00 K
23. Community Foundation Serving Tyne & Wear and Northumberland $27.16 K
24. The National Lottery Community Fund $26.50 K
25. African Women'S Development Fund $20.00 K

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