Short interest in iShares Biotechnology ETF (NASDAQ:IBB) increased during the last reporting period, rising from 11.56M to 11.57M. This put -% of the company's publicly available shares short.

Based on the recent average volume of 2.10M shares traded per day, it would take 5.52 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.