The insurance titan released its 3rd-quarter portfolio update, revealing new buys in a pizza chain company and a pool supplies company.

Domino’s is the only sizable new equity holding by Berkshire in the period. Domino’s shares are rising in after-market activity in an apparent reaction to the Berkshire news.

Shares of Domino's Pizza jumped premarket after Warren Buffett’s Berkshire Hathaway disclosed a new position in the chain. The investment conglomerate also took a stake in Pool Corp., and cut its position in Ulta Beauty.

Berkshire Hathaway Inc. bought stock in Domino’s Pizza Inc. and Pool Corp. during the third quarter as Chairman Warren Buffett cut back on some long-held investments. Shares of the two new holdings jumped in late New York trading.

Warren Buffett’s Berkshire Hathaway has taken a new position in Domino’s Pizza Inc. while continuing to pare back its investment

Warren Buffett’s Berkshire Hathaway made bold moves in the third quarter, adding stakes in Domino’s Pizza and Pool Corp., while continuing to shed holdings in Apple and Bank of America. Domino’s Pizza and Pool Corp. shares, worth $550 million and $152 million respectively, surged in after-hours trading following the announcement.

Berkshire's newfound craving for Domino's translated into a 1.28 million share stake worth approximately $549 million as of September 30th.

Warren Buffett's Berkshire Hathaway (BRK-A, BRK-B) recently disclosed stakes in Domino's Pizza (DPZ) and Pool Corp. (POOL). Berkshire bought 1.3 million shares in Domino’s — now a 3.6% stake, valued at $550 million following recent comments and stronger-than-expected retail sales — and a 1% stake in Pool Corp,

Berkshire Hathaway initiated these new positions during the third quarter even as it cut back its holdings of big names like Apple and Bank of America.