Assenagon Asset Management S.A. decreased its stake in shares of Helix Energy Solutions Group, Inc. (NYSE:HLX – Free Report) by 68.4% in the third quarter, HoldingsChannel reports. The institutional investor owned 1,329,823 shares of the oil and gas company’s stock after selling 2,873,282 shares during the period. Assenagon Asset Management S.A.’s holdings in Helix Energy […]