Ken Griffin's position in ADT is currently worth $145M. That's 0.12% of their equity portfolio (181st largest holding). The investor owns 2.14% of the outstanding ADT stock. The first ADT trade was made in Q1 2018. Since then Ken Griffin bought shares 37 more times and sold shares on 49 occasions. The stake costed the investor $131M, netting the investor a gain of 11% so far.