Ken Griffin's position in Ionis Pharmaceuticals is currently worth $1.04 Million. That's 0.0% of their equity portfolio (3333rd largest holding). The first Ionis Pharmaceuticals trade was made in Q1 2016. Since then Ken Griffin bought shares 33 more times and sold shares on 34 occasions. The investor's estimated purchase price is $1.22 Million, resulting in a loss of 14%.