Warren Buffett, left, donated $2 billion in Berkshire Hathaway stock to the foundation co-founded by Microsoft chairman Bill Gates, right.
Buffett donated 17,458,431 in class B shares of Berkshire Hathaway ( stock, which was trading at $115 per share on Monday. )
The 82-year-old billionaire also donated 1,745,843 shares, worth $200 million, to the Susan Thompson Buffett Foundation, named for his late wife. He also donated 1,222,085 shares, worth $140 million, to each of three foundations: Howard G. Buffett, named for his son, as well as the NoVo and Sherwood foundations.
Omaha-based Berkshire Hathaway said this was part of Buffett's pledge to make annual contributions to five charitable foundations.
Berkshire Hathaway is an investment company with a wide range of interests, including freight rail, finance, manufacturing, retail, services, insurance, newspapers and Dairy Queen.
The Gates Foundation, named for the co-founder of Microsoft (Fortune 500) and his wife, also has a wide range of interests, with a focus on alleviating global poverty. One of the foundation's more well-known projects is reducing malaria through the distribution of insecticide-treated mosquito nets. ,
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