Berkshire Hathaway (NYSE:BRK-A)(NYSE:BRK-B) is no longer run by Warren Buffett, with Greg Abel as CEO. New positions in Delta, Macy's, Alphabet C. Exits include Visa, Mastercard, UnitedHealth, Domino's, Aon, Pool, Amazon, Heico, Formula One.

The Omaha-based company built a position worth more than $2.6 billion, making Delta Berkshire's 14th-largest holding at the end of March.

Berkshire Hathaway more than tripled the size of its investment in Google’s parent company and bought over $2.6 billion worth of Delta Airlines stock as Greg Abel settled into the…