Warren Buffett's Berkshire Hathaway took a bite of Domino's Pizza and waded into the swimming pool business even as it pared several much larger bets.

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.

Warren Buffett's Berkshire Hathaway took stakes in Domino's Pizza and swimming pool supplier Pool Corp. in the third quarter while continuing to trim stakes in longtime holdings Apple and Bank of America.