Forbes | With Oil Prices Plunging, Warren Buffett's Berkshire Dumped Exxon Stake Forbes Berkshire sold a 41 million share stake in Exxon during the October-December period, according to an SEC filing Tuesday. The firm initiated the position in the first half of 2013, disclosing it held more than $3.7 billion worth of Exxon shares in ... Berkshire Eliminates Exxon Stake Amid Plunge in Oil Prices |