Jim Simons's position in W.W. Grainger is currently worth $48M. That's 0.06% of their equity portfolio (373rd largest holding). The first W.W. Grainger trade was made in Q2 2013. Since then Jim Simons bought shares 21 more times and sold shares on twenty occasions. The stake costed the investor $28.6M, netting the investor a gain of 68% so far.