Jim Simons's position in Petroleo Brasileiro S.A. Petrobras is currently worth $52.7 Million. That's 0.08% of their equity portfolio (285th largest holding). The first Petroleo Brasileiro S.A. Petrobras trade was made in Q3 2014. Since then Jim Simons bought shares eighteen more times and sold shares on eighteen occasions. The stake costed the investor $47.2 Million, netting the investor a gain of 12% so far.