Ken Griffin acquired 102 Thousand Canadian National Railway shares worth $10.4 Million. That's 0.01% of their equity portfolio (1146th largest holding). The first Canadian National Railway trade was made in Q3 2013. Since then Ken Griffin bought shares 51 more times and sold shares on 59 occasions. The stake costed the investor $9.52 Million, netting the investor a gain of 9.0% so far.