Ken Griffin's position in Arrowhead Pharmaceuticals is currently worth $679 Thousand. That's 0.00% of their equity portfolio (3174th largest holding). The first Arrowhead Pharmaceuticals trade was made in Q2 2016. Since then Ken Griffin bought shares 53 more times and sold shares on 42 occasions. The investor's estimated purchase price is $1.7 Million, resulting in a loss of 60%.