Ken Fisher acquired 11.8M Petroleo Brasileiro S.A. Petrobras shares worth $198M. That's 0.06% of their equity portfolio (138th largest holding). The first Petroleo Brasileiro S.A. Petrobras trade was made in Q1 2013. Since then Ken Fisher bought shares 22 more times and sold shares on 30 occasions. The stake costed the investor $136M, netting the investor a gain of 46% so far.