Ken Griffin's position in Retail Opportunity Investments is currently worth $18.2 Million. That's 0.02% of their equity portfolio (877th largest holding). The investor owns 1.08% of the outstanding Retail Opportunity Investments stock. The first Retail Opportunity Investments trade was made in Q2 2013. Since then Ken Griffin bought shares 27 more times and sold shares on 23 occasions. The investor's estimated purchase price is $22.5 Million, resulting in a loss of 19%.