Warren Buffett's average purchase price for Occidental Petroleum (OXY) stock is around $51.76, based on historical transactions according to GuruFocus. Specifically, he acquired 61 million shares at an average price of $50.44, according to Bloomberg. Since then, Berkshire Hathaway has continued to buy OXY shares, with some purchases occurring around the $46-$47 range. Yahoo Finance reports that some investors who followed Buffett's lead have experienced losses as the stock price declined from the $51-$60 range