A sampling of the Gates Foundation's largest investments*:
More than $1.5 billion
Berkshire Hathaway Inc.**
Between $1 billion and $1.5 billionFannie Mae
Between $100 million and $1 billionAbbott Laboratories
Archer Daniels Midland Co.
BP (formerly British Petroleum)
Canadian National Railway
Exxon Mobil Corp.
Merck & Co.
Schering Plough Corp.
Tyco International Ltd.
Waste Management Inc.
*May include stocks, bonds and other securities **Warren E. Buffett committed his first installment of Berkshire Hathaway stock in June 2006.
Sources: Gates tax and SEC filingsCopyright © 2015, Los Angeles Times