Jim Simons acquired 239k Willis Lease Finance shares worth $35.5M. That's 0.05% of their equity portfolio (488th largest holding). The investor owns 3.54% of the outstanding Willis Lease Finance stock. The first Willis Lease Finance trade was made in Q2 2013. Since then Jim Simons bought shares twenty more times and sold shares on 28 occasions. The stake costed the investor $5.14M, netting the investor a gain of 590% so far.