Ken Griffin's position in Petroleo Brasileiro S.A. Petrobras is currently worth $6.4 Million. That's 0.01% of their equity portfolio (1425th largest holding). The first Petroleo Brasileiro S.A. Petrobras trade was made in Q2 2013. Since then Ken Griffin bought shares 63 more times and sold shares on 47 occasions. The investor's estimated purchase price is $6.71 Million, resulting in a loss of 4.6%.