Jim Simons acquired 3.28 Million Allison Transmission Holdings shares worth $262 Million. That's 0.40% of their equity portfolio (41st largest holding). The investor owns 3.77% of the outstanding Allison Transmission Holdings stock. The first Allison Transmission Holdings trade was made in Q3 2013. Since then Jim Simons bought shares twenty more times and sold shares on twenty occasions. The stake costed the investor $126 Million, netting the investor a gain of 109% so far.