Stanley Druckenmiller's position in Pioneer Natural Resources Co. is currently worth $29.1 Million. That's 1.95% of their equity portfolio (12th largest holding). The first Pioneer Natural Resources Co. trade was made in Q3 2012. Since then Stanley Druckenmiller bought shares nine more times and sold shares on seven occasions. The investor's estimated purchase price is $29.5 Million, resulting in a loss of 1.1%.