Ken Griffin acquired 98.6k W.W. Grainger shares worth $135M. That's 0.09% of their equity portfolio (268th largest holding). The first W.W. Grainger trade was made in Q2 2013. Since then Ken Griffin bought shares 56 more times and sold shares on 70 occasions. The stake costed the investor $57.5M, netting the investor a gain of 134% so far.