1. The Susan Thompson Buffett Foundation $73.58 M
2. Fidelity Charitable $12.30 M
3. The Ontario Trillium Foundation $7.65 M
4. Bill & Melinda Gates Foundation $3.51 M
5. NoVo Foundation $1.60 M
6. Oak Foundation $850.00 K
7. V.B. Toulmin Charitable Foundation III $800.00 K
8. The David and Lucile Packard Foundation $750.00 K
9. Erik E. and Edith H. Bergstrom Foundation, A Charitable Trust $661.65 K
10. The William and Flora Hewlett Foundation $500.00 K
11. Vanguard Charitable-Donor Advised Fund $402.50 K
12. WestWind Foundation $365.00 K
13. Foundation to Promote Open Society $340.25 K
14. Foundation for a Just Society $300.00 K
15. Open Society Institute $288.75 K
16. Schwab Charitable $261.47 K
17. John D. and Catherine T. MacArthur Foundation $250.00 K
18. Greater Washington Community Foundation $225.50 K
19. The National Lottery Community Fund $176.91 K
20. The M.A.C. AIDS Fund $165.15 K
21. BBC Children in Need $160.37 K
22. Dennis & Phyllis Washington Foundation, Inc. $157.61 K
23. CHARITIES AID FOUNDATION OF AMERICA $153.17 K
24. NIKE Foundation $152.95 K
25. Health First - America's Charities $138.88 K

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