Jim Simons's position in Hologic is currently worth $212 Million. That's 0.34% of their equity portfolio (43rd largest holding). The investor owns 1.21% 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 seventeen occasions. The stake costed the investor $206 Million, netting the investor a gain of 2.7% so far.