Jim Simons acquired 562k Alpha Pro Tech shares worth $3.18M. That's 0.00% of their equity portfolio (1614th largest holding). The investor owns 5.77% of the outstanding Alpha Pro Tech stock. The first Alpha Pro Tech trade was made in Q2 2013. Since then Jim Simons bought shares 21 more times and sold shares on 31 occasions. The stake costed the investor $2.05M, netting the investor a gain of 55% so far.