Jamf Holding Corp. (NASDAQ:JAMF – Get Free Report) was the target of a large increase in short interest in the month of September. As of September 30th, there was short interest totalling 3,890,000 shares, an increase of 10.5% from the September 15th total of 3,520,000 shares. Approximately 8.1% of the company’s shares are short sold. […]