Warren Buffett’s Berkshire Hathaway (BRK.A) (BRK.B) has recently increased its stake in Sirius XM Holdings Inc. (SIRI), now owning over 35% of

Warren Buffett, 94, is deemed one of the best-known investors of all time. Wall Street closely follows his trades, most of which have proved massively profitable over the decades. The Oracle of Omaha's mastery of value investing principles,

Warren Buffett’s Berkshire Hathaway has spent another $54 million to purchase Sirius XM stock, giving it a stake of more than 35% in the satellite-radio company.