Jim Simons's position in Psychemedics is currently worth $675 Thousand. That's 0.00% of their equity portfolio (2454th largest holding). The investor owns 4.54% of the outstanding Psychemedics stock. The first Psychemedics trade was made in Q2 2013. Since then Jim Simons bought shares fourteen more times and sold shares on 28 occasions. The investor's estimated purchase price is $3.56 Million, resulting in a loss of 81%.