Steven Cohen's position in Marsh & McLennan Cos. is currently worth $9.34 Million. That's 0.03% of their equity portfolio (533rd largest holding). The first Marsh & McLennan Cos. trade was made in Q4 2016. Since then Steven Cohen bought shares nine more times and sold shares on eight occasions. The stake costed the investor $7.39 Million, netting the investor a gain of 26% so far.