Jim Simons's position in Arch Capital Group Ltd is currently worth $5.07 Million. That's 0.01% of their equity portfolio (1284th largest holding). The first Arch Capital Group Ltd trade was made in Q3 2013. Since then Jim Simons bought shares nineteen more times and sold shares on eighteen occasions. The stake costed the investor $4.45 Million, netting the investor a gain of 14% so far.