Frazier Life Sciences Management L.P. trimmed its stake in shares of Gritstone bio, Inc. (NASDAQ:GRTS – Free Report) by 28.0% during the fourth quarter, HoldingsChannel reports. The fund owned 1,030,878 shares of the company’s stock after selling 400,000 shares during the quarter. Frazier Life Sciences Management L.P.’s holdings in Gritstone bio were worth $2,103,000 as […]