Jim Simons acquired 554 Thousand Medpace Holdings shares worth $167 Million. That's 0.26% of their equity portfolio (63rd largest holding). The investor owns 1.90% of the outstanding Medpace Holdings stock. The first Medpace Holdings trade was made in Q3 2017. Since then Jim Simons bought shares fourteen more times and sold shares on fifteen occasions. The stake costed the investor $66.7 Million, netting the investor a gain of 150% so far.