Ranked by total investment assets, in millions, as of Dec. 31, 2016, unless otherwise noted.
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| 1 | Bill & Melinda Gates Foundation | $39,910.7 | $27,647.4 | $5,325.0 | $712.5 | $6,225.9 |
| 2 | Ford Foundation | $11,950.0 | $214.3 | $789.2 | $83.7 | $10,862.7 |
| 3 | Lilly Endowment | $10,241.1 | $9,236.1 | $0.0 | $0.0 | $1,005.0 |
| 4 | Foundation to Promote Open Society | $10,126.3 | $0.0 | $0.0 | $0.0 | $10,126.3 |
| 5 | Robert Wood Johnson Foundation | $9,644.6 | $1,741.0 | $267.1 | $0.0 | $7,636.4 |
| 6 | William and Flora Hewlett Foundation | $8,857.1 | $2,916.9 | $475.5 | $413.9 | $5,050.8 |
| 7 | Bloomberg Family Foundation | $7,817.7 | $0.0 | $0.0 | $0.0 | $7,817.7 |
| 8 | W. K. Kellogg Foundation1 | $7,663.3 | $4,844.1 | $170.6 | $0.9 | $2,647.6 |
| 9 | J. Paul Getty Trust2 | $6,812.7 | $349.2 | $0.2 | $16.6 | $6,446.7 |
| 10 | David and Lucile Packard Foundation | $6,678.1 | $0.0 | $533.8 | $0.0 | $6,144.3 |
| 11 | Andrew W. Mellon Foundation | $6,081.4 | $332.8 | $258.3 | $135.4 | $5,354.9 |
| 12 | Gordon and Betty Moore Foundation | $6,055.6 | $237.1 | $729.9 | $0.0 | $5,088.6 |
| 13 | Leona M. and Harry B. Helmsley Charitable Trust3 | $5,379.8 | $469.1 | $0.0 | $0.0 | $4,910.7 |
| 14 | John D. and Catherine T. MacArthur Foundation | $5,259.9 | $2,980.5 | $105.1 | $33.4 | $2,140.9 |
| 15 | Rockefeller Foundation | $3,856.3 | $361.1 | $25.9 | $0.0 | $3,469.2 |
| 16 | Walton Family Foundation | $3,651.9 | $0.0 | $0.0 | $0.0 | $3,651.9 |
| 17 | Kresge Foundation | $3,524.2 | $1,174.3 | $37.4 | $166.0 | $2,146.5 |
| 18 | California Endowment3 | $3,465.0 | $1,287.1 | $48.0 | $203.7 | $1,926.2 |
| 19 | Open Society Institute | $3,411.1 | $0.0 | $0.0 | $0.0 | $3,411.1 |
| 20 | JPB Foundation | $3,393.2 | $1,982.1 | $467.3 | $0.0 | $943.8 |
| 21 | Carnegie Corp. of New York4 | $3,327.5 | $95.6 | $0.0 | $367.8 | $2,864.1 |
| 22 | Duke Endowment | $3,301.7 | $134.8 | $0.0 | $0.0 | $3,167.0 |
| 23 | Robert W. Woodruff Foundation | $2,948.9 | $2,927.9 | $0.0 | $0.0 | $21.0 |
| 24 | John Templeton Foundation | $2,898.0 | $0.0 | $0.0 | $0.0 | $2,898.0 |
| 25 | Margaret A. Cargill Foundation | $2,776.9 | $600.2 | $99.9 | $139.7 | $1,937.0 |
| 26 | Simons Foundation | $2,696.5 | $0.0 | $0.0 | $0.0 | $2,696.5 |
| 27 | Charles Stewart Mott Foundation | $2,625.1 | $533.0 | $55.4 | $96.6 | $1,940.1 |
| 28 | Susan Thompson Buffett Foundation | $2,580.8 | $2,197.3 | $383.4 | $0.0 | $0.0 |
| 29 | Conrad N. Hilton Foundation | $2,569.6 | $250.0 | $334.0 | $0.0 | $1,985.7 |
| 30 | Annie E. Casey Foundation | $2,437.7 | $1,226.2 | $115.4 | $58.8 | $1,037.2 |
| 31 | Carl Victor Page Memorial Foundation | $2,382.5 | $1,619.6 | $0.0 | $0.0 | $763.0 |
| 32 | William Penn Foundation | $2,256.3 | $989.1 | $140.4 | $113.3 | $1,013.5 |
| 33 | Richard King Mellon Foundation | $2,165.7 | $1,156.8 | $17.0 | $365.0 | $627.0 |
| 34 | Charles and Lynn Schusterman Family Foundation | $2,146.2 | $0.0 | $0.0 | $0.0 | $2,146.2 |
| 35 | Wyss Foundation | $2,102.5 | $491.1 | $0.0 | $0.0 | $1,611.3 |
| 36 | James Irvine Foundation | $2,083.0 | $299.4 | $65.4 | $61.4 | $1,656.9 |
| 37 | John S. and James L. Knight Foundation | $2,051.3 | $688.5 | $64.8 | $151.2 | $1,146.8 |
| 38 | Casey Family Programs | $2,038.2 | $1,296.5 | $59.1 | $257.2 | $425.3 |
| 39 | Ewing Marion Kauffman Foundation | $1,996.0 | $955.0 | $27.6 | $0.0 | $1,013.4 |
| 40 | Harry and Jeanette Weinberg Foundation5 | $1,924.0 | $0.0 | $0.0 | $0.0 | $1,924.0 |
| 41 | Laura and John Arnold Foundation | $1,893.1 | $532.6 | $0.0 | $305.1 | $1,055.4 |
| 42 | McKnight Foundation | $1,853.9 | $997.8 | $75.4 | $82.6 | $698.1 |
| 43 | Alfred P. Sloan Foundation | $1,740.3 | $152.3 | $85.0 | $52.0 | $1,451.0 |
| 44 | Doris Duke Charitable Foundation | $1,684.7 | $390.6 | $0.0 | $48.9 | $1,245.2 |
| 45 | Barr Foundation | $1,621.5 | $165.9 | $0.0 | $0.0 | $1,455.6 |
| 46 | Houston Endowment | $1,593.0 | $9.2 | $45.3 | $0.0 | $1,538.5 |
| 47 | Eli & Edythe Broad Foundation | $1,592.8 | $0.0 | $0.0 | $0.0 | $1,592.8 |
| 48 | Moody Foundation | $1,555.4 | $1,122.0 | $237.8 | $194.6 | $0.9 |
| 49 | Michael and Susan Dell Foundation | $1,550.4 | $78.7 | $0.0 | $0.0 | $1,471.7 |
| 50 | Annenberg Foundation | $1,448.2 | $462.3 | $48.3 | $126.7 | $810.9 |
| Top 50 Total | $229,621.4 | $75,145.4 | $11,087.6 | $4,187.2 | $139,201.2 |