1. Gordon and Betty Moore Foundation $122.01 M
2. The David and Lucile Packard Foundation $31.80 M
3. Walton Family Foundation $18.01 M
4. The Marisla Foundation $10.24 M
5. Fidelity Charitable $10.24 M
6. National Fish and Wildlife Foundation $8.70 M
7. Waitt Foundation $6.81 M
8. The Leona M. and Harry B. Helmsley Charitable Trust $6.26 M
9. Dalio Foundation, Inc. $5.68 M
10. Resources Legacy Fund $5.23 M
11. The William and Flora Hewlett Foundation $5.15 M
12. The Robert Wood Johnson Foundation $5.00 M
13. Simons Foundation $4.27 M
14. Harold Alfond Foundation $4.21 M
15. Barr Foundation $3.39 M
16. The Paul G. Allen Family Foundation $3.29 M
17. Heising-Simons Foundation $3.05 M
18. Oak Foundation $2.78 M
19. The Russell Family Foundation $2.57 M
20. The Keith Campbell Foundation for the Environment, Inc. $2.24 M
21. Paul M. Angell Family Foundation $2.20 M
22. The Donald Bren Foundation $2.15 M
23. Ocean Reef Community Foundation, Inc. $2.09 M
24. Harte Charitable Foundation $2.06 M
25. Seattle Foundation $2.01 M

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