Asked during a CNBC interview which bank stock was his favorite, the billionaire chairman and CEO of Berkshire Hathaway replied:
"What's your favorite child?"
"Bank of America has done a sensational job under Brian Moynihan," Buffett added on "Squawk Box."
Berkshire is the largest shareholder of Bank of America, according to FactSet.
"We will be holders of BofA stock for a long, long, long time," Buffett added.
Berkshire Hathaway has major stakes in several other financial firms. including Bank of New York Mellon, Wells Fargo and Synchrony Financial.
Buffett joined CNBC from Omaha, Nebraska — home of Berkshire and where Purpose Built Communities was holding its annual conference.