Ken Griffin acquired 105 Thousand W.W. Grainger shares worth $109 Million. That's 0.11% of their equity portfolio (227th largest holding). The first W.W. Grainger trade was made in Q2 2013. Since then Ken Griffin bought shares 50 more times and sold shares on 61 occasions. The stake costed the investor $56.3 Million, netting the investor a gain of 94% so far.