Ken Griffin acquired 16.6 Thousand Precision Drilling shares worth $1.14 Million. That's 0.00% of their equity portfolio (2673rd largest holding). The first Precision Drilling trade was made in Q3 2013. Since then Ken Griffin bought shares 43 more times and sold shares on 40 occasions. The stake costed the investor $922 Thousand, netting the investor a gain of 24% so far.