Vanguard Personalized Indexing Management LLC raised its stake in Alnylam Pharmaceuticals, Inc. (NASDAQ:ALNY – Free Report) by 11.4% in the 4th quarter, according to its most recent Form 13F filing with the Securities and Exchange Commission (SEC). The institutional investor owned 6,390 shares of the biopharmaceutical company’s stock after acquiring an additional 655 shares during […]