Ken Griffin's position in GrafTech International Ltd. is currently worth $869 Thousand. That's 0.00% of their equity portfolio (3036th largest holding). The first GrafTech International Ltd. trade was made in Q2 2018. Since then Ken Griffin bought shares 42 more times and sold shares on 36 occasions. The investor's estimated purchase price is $5.78 Million, resulting in a loss of 85%.