Ken Griffin acquired 39.7 Thousand Arch Capital Group Ltd shares worth $3.69 Million. That's 0.00% of their equity portfolio (1743rd largest holding). The first Arch Capital Group Ltd trade was made in Q2 2013. Since then Ken Griffin bought shares 43 more times and sold shares on 45 occasions. The stake costed the investor $1.41 Million, netting the investor a gain of 163% so far.