Ken Fisher acquired 15.9 Million Petroleo Brasileiro S.A. Petrobras shares worth $185 Million. That's 0.08% of their equity portfolio (126th 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 25 occasions. The stake costed the investor $182 Million, netting the investor a gain of 1.6% so far.