Berkshire Hathaway Inc. /zigman2/quotes/200060694/composite BRK.B +1.37% /zigman2/quotes/208872451/composite BRK.A +1.16% revealed new stakes in furniture maker RH /zigman2/quotes/200286355/composite RH +3.77% and energy company Occidental Petroleum Corp. /zigman2/quotes/207018272/composite OXY +2.71% , according to a filing on Thursday. The conglomerate led by legendary investor Warren Buffett owned about 1.2 million shares of RH, formerly known as Restoration Hardware, and nearly 7.5 million shares of Occidental. It trimmed stakes in Apple Inc. /zigman2/quotes/202934861/composite AAPL +1.93% and Wells Fargo /zigman2/quotes/203790192/composite WFC +2.14% , among other companies. In April, Berkshire committed $10 billion to help Occidental's bid for Anadarko Petroleum Corp. , giving Occidental an edge over Chevron Corp /zigman2/quotes/205871374/composite CVX +1.44% , which was also vying for Anadarko and later bowed out. Shares of RH rallied more than 6% in the extended session, while Occidental stock rose 1.6%.