 Fmr LLC boosted its holdings in IGM Biosciences NASDAQ:IGMS by 45.6 in the 2nd quarter, according to its most recent filing with the Securities and Exchange Commission SEC. The firm owned 18,817 shares of the companys stock after purchasing an additional 5,889 shares during the quarter. Fmr LLC owned approximately 0.06 of IGM Biosciences worth ... 