Berkshire Hathaway Now Owns 20% Stake In This Oil & Gas Conglomerate By: Benzinga via Benzinga August 09, 2022 at 07:11 AM EDT Warren Buffett'sBerkshire Hathaway Inc(NYSE: BRK-A) has purchased additional shares inOccidental Petroleum ... Read More >> Related Stocks: Berkshire Hathaway Berkshire Hathaway Occidental Petroleum