How you can get a better deal than Warren Buffett on Sirius XM shares By: MarketWatch February 15, 2017 at 09:55 AM EST You can buy a cheaper tracking stock set up by Liberty Media’s John Malone, writes Michael Brush. Read More >> Related Stocks: Liberty Media Siriusxm Sr A Liberty Media Siriusxm Sr B Liberty Media Siriusxm Sr C Pandora Media Inc Sirius XM Holdings Standard & Poors 500