1. Gordon and Betty Moore Foundation $126.92 M
2. The David and Lucile Packard Foundation $41.83 M
3. Walton Family Foundation $17.87 M
4. Simons Foundation $16.39 M
5. The Chicago Community Trust $11.02 M
6. Fidelity Charitable $10.24 M
7. The Marisla Foundation $9.24 M
8. National Fish and Wildlife Foundation $8.70 M
9. Ocean Reef Community Foundation, Inc. $6.81 M
10. Waitt Foundation $6.31 M
11. The William and Flora Hewlett Foundation $5.28 M
12. Resources Legacy Fund $5.23 M
13. The Robert Wood Johnson Foundation $5.00 M
14. Harold Alfond Foundation $4.90 M
15. The Leona M. and Harry B. Helmsley Charitable Trust $3.76 M
16. Barr Foundation $3.02 M
17. The G. Unger Vetlesen Foundation $2.93 M
18. Oak Foundation $2.78 M
19. The Russell Family Foundation $2.65 M
20. Ed Rachal Foundation $2.65 M
21. Harte Charitable Foundation $2.57 M
22. Jewish Communal Fund $2.53 M
23. The Paul G. Allen Family Foundation $2.49 M
24. The Keith Campbell Foundation for the Environment, Inc. $2.44 M
25. Richard King Mellon Foundation $2.21 M

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