Despite being a net seller of stocks to the tune of $166 billion over the last eight quarters, there are two premier stocks the Oracle of Omaha can't stop buying.

Warren Buffett’s Berkshire Hathaway (NYSE:BRK-B) has been quite the aggressive seller of stocks this year. The recent lack of buybacks and extreme level of profit-taking may make some investors nervous.

Warren Buffett has been on a selling spree and recently trimmed his two biggest holdings: Apple and Bank of America. Buffett caught many investors by surprise when he trimmed his Apple position,