Ken Fisher's position in Petroleo Brasileiro S.A. Petrobras - ADR - Preference Shares is currently worth $2.53 Million. That's 0.00% of their equity portfolio (549th largest holding). The first Petroleo Brasileiro S.A. Petrobras - ADR - Preference Shares trade was made in Q2 2015. Since then Ken Fisher bought shares four more times and sold shares on four occasions. The stake costed the investor $2.4 Million, netting the investor a gain of 5.4% so far.