Jim Simons acquired 540 Thousand Alpha Pro Tech Ltd. shares worth $2.55 Million. That's 0.00% of their equity portfolio (1742nd largest holding). The investor owns 4.97% of the outstanding Alpha Pro Tech Ltd. stock. The first Alpha Pro Tech Ltd. trade was made in Q2 2013. Since then Jim Simons bought shares nineteen more times and sold shares on 28 occasions. The stake costed the investor $1.95 Million, netting the investor a gain of 31% so far.