 Pershing Square Tontine Holdings NYSE: PSTH, a blank-check firm owned by billionaire investor William Ackman said on Sunday it is buying 10 of Universal Music Group, a unit of Vivendi SE OTC: VIVHY, for about 4 billion. What Happened: Universal Music Group, which is home to artists such as Taylor Swift and Lady Gaga, is being listed on the Euronext Amsterdam in the third quarter this year in a planned spinoff from the French media conglomerate Vivendi. 