Addressing global challenges requires a collective and concerted effort, involving all actors. Through partnerships and alliances, and by pooling comparative advantages, we increase our chances success."
- Ban Ki-moon, UN Secretary-General

Top 10 US Foundations Ranked by Assets - as of October 2006

Rank Name/(State) Assets As of
Fiscal Year
End Date
1. Bill & Melinda Gates Foundation (WA) $29,153,508,000 12/31/05
2. The Ford Foundation (NY) 11,615,906,693 09/30/05
3. J. Paul Getty Trust (CA) 9,618,627,974 06/30/05
4. The Robert Wood Johnson Foundation (NJ) 9,359,361,000 12/31/05
5. Lilly Endowment Inc. (IN) 8,360,760,584 12/31/05
6. The William and Flora Hewlett Foundation (CA) 7,336,131,000 12/31/05
7. W. K. Kellogg Foundation (MI) 7,298,383,532 08/31/05
8. The David and Lucile Packard Foundation (CA) 5,788,480,930 12/31/05
9. The Andrew W. Mellon Foundation (NY) 5,586,112,000 12/31/05
10. John D. and Catherine T. MacArthur Foundation (IL) 5,490,449,000 12/31/05


The list includes the 10 largest U.S. grantmaking foundations ranked by the market value of their assets, based on the most current audited financial data in the Foundation Center's database as of October 12, 2006.