Ken Griffin acquired 1.44 Million Mirum Pharmaceuticals shares worth $35.3 Million. That's 0.04% of their equity portfolio (579th largest holding). The investor owns 3.06% of the outstanding Mirum Pharmaceuticals stock. The first Mirum Pharmaceuticals trade was made in Q2 2020. Since then Ken Griffin bought shares nine more times and sold shares on three occasions. The stake costed the investor $32.4 Million, netting the investor a gain of 8.8% so far.