PHOTO
Berkshire Hathaway CEO Warren Buffett plays bridge during the Berkshire annual meeting weekend in Omaha, Nebraska May 3, 2015. Rick Wilking, Reuters
Warren Buffett's Berkshire Hathaway bought around 2.57 million shares of common stock in Occidental Petroleum over June 5-7, according to a U.S. securities filing.
Buffett's company bought additional shares in Occidental's common stock for more than $150 million and now owns about 250.6 million shares in the energy producer.
Occidental shares closed at $59.48 on Friday.
As of March, Berkshire owned a roughly 28% stake in Occidental.
Occidental Petroleum previously announced it had entered into a joint venture with Berkshire Hathaway's energy unit to extract lithium in their geothermal facility in California.
(Reporting by Harshita Meenaktshi in Bengaluru)