 Two Sigma Advisers LP raised its holdings in Catalyst Biosciences Inc NASDAQ:CBIO by 39.2 during the 1st quarter, Holdings Channel reports. The firm owned 193,100 shares of the biopharmaceutical companys stock after purchasing an additional 54,400 shares during the quarter. Two Sigma Advisers LPs holdings in Catalyst Biosciences were worth 844,000 at the end of ... 