…and matches his donation by a whopping $37 billion, as per the current value of the stock.

Buffett has pledged to gradually give 85% of his Berkshire stock to five foundations. A dominant five-sixths of the shares will go to the world’s largest philanthropic organization, the $30 billion Bill & Melinda Gates Foundation, whose principals are close friends of Buffett’s (a connection that began in 1991, when a mutual friend introduced Buffett and Bill Gates).

Fortune has more.