Paul Tudor Jones II acquired 143 Thousand Ametek shares worth $23.8 Million. That's 0.30% of their equity portfolio (74th largest holding). The first Ametek trade was made in Q3 2013. Since then Paul Tudor Jones II bought shares 26 more times and sold shares on twenty occasions. The stake costed the investor $22.6 Million, netting the investor a gain of 5.4% so far.