Jim Simons's position in Hologic is currently worth $301 Million. That's 0.46% of their equity portfolio (30th largest holding). The investor owns 1.65% of the outstanding Hologic stock. The first Hologic trade was made in Q3 2013. Since then Jim Simons bought shares 24 more times and sold shares on sixteen occasions. The stake costed the investor $293 Million, netting the investor a gain of 2.6% so far.