Short interest in Alnylam Pharmaceuticals Inc (NASDAQ:ALNY) decreased during the last reporting period, falling from 3.74M to 3.39M. This put 3.03% of the company's publicly available shares short.

Short interest for Alnylam Pharmaceuticals gives investors a sense of the degree to which investors are betting on the decline of Alnylam Pharmaceuticals's stock. Short interest data is updated every two weeks.

Based on the recent average volume of 865.27K shares traded per day, it would take 3.92 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.