Stanley Druckenmiller acquired 2.25M Insmed shares worth $323M. That's 8.13% of their entire equity portfolio (2nd largest holding). The investor owns 1.12% of the outstanding Insmed stock. The first Insmed trade was made in Q2 2020. Since then Stanley Druckenmiller bought shares four more times and sold shares on one occasions. The stake costed the investor $169M, netting the investor a gain of 91% so far.