Barron’s estimates that Berkshire could owe more than $20 billion of taxes on the sales of Apple stock, which likely accounted for nearly all of the $97 billion of taxable gains

Warren Buffett is now sitting on more than $325 billion cash after continuing to unload billions of dollars worth of Apple and Bank of America shares this year and continuing to collect a steady strea

The conglomerate’s cash pile tops $300 billion for the first time.