 New Mexico Educational Retirement Board boosted its holdings in shares of Arrowhead Pharmaceuticals Inc NASDAQ:ARWR by 37.6 during the 1st quarter, HoldingsChannel.com reports. The institutional investor owned 23,800 shares of the biotechnology companys stock after acquiring an additional 6,500 shares during the period. New Mexico Educational Retirement Boards holdings in Arrowhead Pharmaceuticals were worth 685,000 ... 