Ken Griffin's position in Arch Resources- Ordinary Shares is currently worth $8.98 Million. That's 0.01% of their equity portfolio (1203rd largest holding). The first Arch Resources- Ordinary Shares trade was made in Q4 2016. Since then Ken Griffin bought shares 43 more times and sold shares on 38 occasions. The stake costed the investor $6.34 Million, netting the investor a gain of 42% so far.