Short interest in Blueprint Medicines Corp (NASDAQ:BPMC) increased during the last reporting period, rising from 3.91M to 4.19M. This put 7.42% of the company's publicly available shares short.

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

Based on the recent average volume of 638.75K shares traded per day, it would take 6.55 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.