Ken Griffin's position in Digital Realty Trust is currently worth $46.3 Million. That's 0.05% of their equity portfolio (480th largest holding). The first Digital Realty Trust trade was made in Q2 2013. Since then Ken Griffin bought shares 50 more times and sold shares on 49 occasions. The stake costed the investor $38.5 Million, netting the investor a gain of 20% so far.