Jim Simons acquired 578 Thousand Medpace Holdings shares worth $179 Million. That's 0.26% of their equity portfolio (65th largest holding). The investor owns 2.01% of the outstanding Medpace Holdings stock. The first Medpace Holdings trade was made in Q3 2017. Since then Jim Simons bought shares fifteen more times and sold shares on fifteen occasions. The stake costed the investor $71.1 Million, netting the investor a gain of 151% so far.