Stanley Druckenmiller's position in PTC is currently worth $38.7 Million. That's 1.36% of their equity portfolio (15th largest holding). The first PTC trade was made in Q1 2017. Since then Stanley Druckenmiller bought shares one more times and sold shares on two occasions. The stake costed the investor $36.2 Million, netting the investor a gain of 7.0% so far.