Jim Simons acquired 137 Thousand Transdigm Group Incorporated shares worth $170 Million. That's 0.26% of their equity portfolio (71st largest holding). The first Transdigm Group Incorporated trade was made in Q2 2013. Since then Jim Simons bought shares fourteen more times and sold shares on twelve occasions. The stake costed the investor $89.7 Million, netting the investor a gain of 90% so far.