Short interest in BioXcel Therapeutics jumped 69% to 8.7 million shares from 5.1 million in the first half of the month, reaching about 43% of the company's free float of shares — or the amount of stock available for trading. As of Friday, BioXcel is down nearly 54% year to date. Allogene Therapeutics held the greatest short interest of the group, at about 54% of float, with Novavax and ProKidney Corp also appearing on the list. Short interest declined slightly in ProKidney shares.
mountain Novavax shares year to date Alternative power companies Sunnova , SunPower and Maxeon Solar also made the cut, with short interest increasing about 15%, 49% and 6%, respectively, during the period. The latest data comes as the number of stocks with more than 20% of their outstanding shares sold short has hit the upper end of its historic range, exceeding levels seen during the meme stock craze in early 2021, according to Trivariate Research .