ARIAD Pharmaceuticals, Inc. (NASDAQ:ARIA) has witnessed a rise of 1.1% or 496,626 shares in its short figure. The short interest augmentation took it from 45,250,125 on June 30,2015 to 45,746,751 on July 15,2015. In terms of floated shares, the short interest was calculated to be 25.1%. The days to cover are 18 given that the daily volume averaged 2,524,810 shares. The information was released by Financial Industry Regulatory Authority, Inc (FINRA) on July 24th .