Ken Griffin's position in Rockwell Automation is currently worth $57.7 Million. That's 0.06% of their equity portfolio (433rd largest holding). The first Rockwell Automation trade was made in Q2 2013. Since then Ken Griffin bought shares 62 more times and sold shares on 49 occasions. The stake costed the investor $46.6 Million, netting the investor a gain of 24% so far.