Howard Marks acquired 6.09M Petroleo Brasileiro S.A. Petrobras shares worth $110M. That's 2.55% of their equity portfolio (12th largest holding). The first Petroleo Brasileiro S.A. Petrobras trade was made in Q3 2008. Since then Howard Marks bought shares 32 more times and sold shares on 22 occasions. The stake costed the investor $95.6M, netting the investor a gain of 15% so far.