Jim Simons's position in Marsh & McLennan Cos. is currently worth $73.1 Million. That's 0.11% of their equity portfolio (214th largest holding). The first Marsh & McLennan Cos. trade was made in Q2 2013. Since then Jim Simons bought shares sixteen more times and sold shares on sixteen occasions. The stake costed the investor $70 Million, netting the investor a gain of 4.4% so far.