Short interest in Penumbra Inc (NYSE:PEN) decreased during the last reporting period, falling from 2.01M to 1.90M. This put 5.55% of the company's publicly available shares short.

Based on the recent average volume of 578.71K shares traded per day, it would take 3.28 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.