Ken Griffin's position in Arch Resources is currently worth $6.09 Million. That's 0.01% of their equity portfolio (1550th largest holding). The first Arch Resources trade was made in Q4 2016. Since then Ken Griffin bought shares 39 more times and sold shares on 33 occasions. The stake costed the investor $5.7 Million, netting the investor a gain of 6.9% so far.