Berkshire Hathaway raises stake in Sirius XM (SIRI:NASDAQ)

Warren Buffett’s Berkshire Hathaway (NYSE:BRK.A) (NYSE:BRK.B) has further raised its bet on Sirius XM Holdings (NASDAQ:SIRI), boosting its stake to over 35%, latest regulatory filings show.

The conglomerate acquired around 2.3M shares of the radio broadcasting firm for about $54M in