Jeremy Grantham acquired 240 Thousand Pioneer Natural Resources shares worth $66.1 Million. That's 0.28% of their equity portfolio (61st largest holding). The first Pioneer Natural Resources trade was made in Q2 2019. Since then Jeremy Grantham bought shares four more times and sold shares on three occasions. The stake costed the investor $56.3 Million, netting the investor a gain of 17% so far.