Warren Buffett has donated $6 billion worth of Berkshire Hathaway Class B shares to five foundations. On June 27, Buffett converted 8,239 Class A shares into 12,358,500 Class B shares, subsequently donating 12,358,321 of these shares. The Bill & Melinda Gates Foundation received 9,433,839 shares, while the Susan Thompson Buffett Foundation was allocated 943,384 shares. The Sherwood Foundation, the Howard G. Buffett Foundation, and the Novo Foundation collectively received 660,366 shares. The donation is set to be received on June 30. Buffett retains 198,117 Class A shares and 1,144 Class B shares of Berkshire Hathaway.