Ken Griffin's position in Madrigal Pharmaceuticals is currently worth $22.2 Million. That's 0.02% of their equity portfolio (793rd largest holding). The first Madrigal Pharmaceuticals trade was made in Q3 2016. Since then Ken Griffin bought shares 42 more times and sold shares on 39 occasions. The stake costed the investor $9.76 Million, netting the investor a gain of 128% so far.