ENTA—BlackRock upped its stake to 10.4% on 11/30/16 from 8.9% on 12/31/15—an increase of ~300K shares: https://www.sec.gov/Archives/edgar/data/1177648/000021545716007151/enanta.pharmaceuti.txt https://www.sec.gov/Archives/edgar/data/1177648/000021545716004554/enanta.pharmaceuti.2015.txt