Joel Greenblatt's position in Ionis Pharmaceuticals is currently worth $1.52 Million. That's 0.05% of their equity portfolio (386th largest holding). The first Ionis Pharmaceuticals trade was made in Q4 2016. Since then Joel Greenblatt bought shares seven more times and sold shares on six occasions. The investor's estimated purchase price is $1.99 Million, resulting in a loss of 24%.