Ken Griffin acquired 178 Thousand Piedmont Office Realty Trust shares worth $1.23 Million. That's 0.00% of their equity portfolio (2624th largest holding). The first Piedmont Office Realty Trust trade was made in Q2 2013. Since then Ken Griffin bought shares 30 more times and sold shares on 24 occasions. The investor's estimated purchase price is $1.67 Million, resulting in a loss of 27%.