 Cubist Systematic Strategies LLC raised its stake in shares of MacroGenics Inc NASDAQ:MGNX by 16,396.7 during the second quarter, according to the company in its most recent 13F filing with the SEC. The fund owned 70,276 shares of the biopharmaceutical companys stock after buying an additional 69,850 shares during the quarter. Cubist Systematic Strategies LLC ... 