There are 4 institutional investors that routinely grow their share in GALE. This week the final one of the 4 posted their March 31 position. These four are Vanguard, Blackrock, State Street and Northern Trust. Combined they have increased their holdings from 16 million shares on March 31, 2015 to 20 million shares on March 31, 2016. Respectively they increased 41%, 15%, 35% and 37%.