1. The Susan Thompson Buffett Foundation $73.58 M
2. The Ontario Trillium Foundation $38.22 M
3. Bill & Melinda Gates Foundation $35.47 M
4. Fidelity Charitable $12.32 M
5. The National Lottery Community Fund $9.16 M
6. Wellcome Trust $4.51 M
7. Craig H. Neilsen Foundation $3.65 M
8. The Leona M. and Harry B. Helmsley Charitable Trust $2.17 M
9. NoVo Foundation $2.16 M
10. Friends of the VGH & UBC Hospital Foundation $2.01 M
11. Gordon and Betty Moore Foundation $1.75 M
12. The M.A.C. AIDS Fund $1.32 M
13. Foundation to Promote Open Society $1.18 M
14. Tides Foundation $963.99 K
15. CHARITIES AID FOUNDATION OF AMERICA $887.84 K
16. V.B. Toulmin Charitable Foundation III $850.00 K
17. The California Endowment $831.87 K
18. The Commonwealth Fund $715.38 K
19. Erik E. and Edith H. Bergstrom Foundation, A Charitable Trust $661.65 K
20. Silicon Valley Community Foundation $626.55 K
21. Oak Foundation $600.00 K
22. The William and Flora Hewlett Foundation $500.00 K
23. The Krieble Foundation $450.00 K
24. James H. Cummings Foundation, Inc. $445.03 K
25. Alfred P. Sloan Foundation $430.00 K

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