Berkshire Adding Oil stocksBerkshire bought its preferred stock in 2019 to help finance Occidental's $35.7 billion purchase of Anadarko Petroleum Corp. The preferred stock throws off $800 million of annual dividends. Berkshire also has warrants to buy $5 billion of additional Occidental stock at $59.62 per share.....as of a couple of days ago they own 14.5%.....this indicates Warren and company showing big interest in Oil Bull market..