Wellington Management Group LLP grew its holdings in shares of Alnylam Pharmaceuticals, Inc. (NASDAQ:ALNY – Free Report) by 6.0% during the third quarter, Holdings Channel.com reports. The institutional investor owned 6,431,814 shares of the biopharmaceutical company’s stock after purchasing an additional 364,021 shares during the quarter. Wellington Management Group LLP owned 0.05% of Alnylam Pharmaceuticals […]