Investing News, Analysis, and Tips Nov 4, 2021 2:55 PM EDT Liberty SiriusXM Stock Higher After Berkshire Buys 5.3M Shares Berkshire’s stake in Liberty Sirius totals 20.2 million shares, or $1.08 billion at the recent share price of $53.25. That price is up 3% Thursday. SIRILSXMABRK.B...