tempur sealy international inc on monday said its board increased the mattress makers share repurchase program to a total of 15 billion the lexington ky company which has about 1925 million shares outstanding sports a market capitalization of roughly 86 billion based on fridays closing price of 4483 tempur sealy said it bought back about 20 million shares at an aggregate cost of around 700 million during the 12 months ended sept 30