Jim Simons acquired 3.12 Million Allison Transmission Holdings shares worth $283 Million. That's 0.41% of their equity portfolio (36th largest holding). The investor owns 3.70% of the outstanding Allison Transmission Holdings stock. The first Allison Transmission Holdings trade was made in Q3 2013. Since then Jim Simons bought shares 22 more times and sold shares on 23 occasions. The stake costed the investor $121 Million, netting the investor a gain of 133% so far.