Warren Buffett's Berkshire Hathaway (BRK.A) - Get Report (BRK.B) - Get Report launched new positions in Restoration Hardware parent RH (RH) - Get Report and Occidental Petroleum (OXY) - Get Report according to an SEC filing Thursday.

Berkshire's latest 13F filing, reporting the company's shareholdings as of the end of September, shows a stake of 1.2 million shares in RH and one of more than 7 million shares of Occidental.

Both stocks rose in after-hours trading with RH gaining $11.48, or 6.6%, to $186.70 and Occidental up 64 cents, or 1.7%, to $38.40.

Other stocks in Berkshire's portfolio were mixed Thursday

StoneCo shares (STNE) - Get Report rose 96 cents, or 2.67%, to $36.95. Kraft Heinz shares (KHC) - Get Report fell $1.94, or 5.9%, to $30.96.

Berkshire Hathaway A shares BRK.A fell $100.00, or 0.03%, to $329,302.00. Berkshire Hathaway B shares BRK.B fell 41 cents, or 0.19%, to $219.36.