Short interest in Pacific Biosciences of California Inc (NASDAQ:PACB) decreased during the last reporting period, falling from 60.54M to 60.40M. This put 23.38% of the company's publicly available shares short.

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

Based on the recent average volume of 10.12M shares traded per day, it would take 5.97 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.