John W. Rogers Jr. acquired 2.23 Million Northern Trust shares worth $224 Million. That's 2.72% of their equity portfolio (12th largest holding). The investor owns 1.18% of the outstanding Northern Trust stock. The first Northern Trust trade was made in Q1 2013. Since then John W. Rogers Jr. bought shares 24 more times and sold shares on 23 occasions. The stake costed the investor $156 Million, netting the investor a gain of 44% so far.