Ken Griffin's position in SSgA Active Trust - Materials Select Sector SPDR is currently worth $44.7M. That's 0.03% of their equity portfolio (681st largest holding). The first SSgA Active Trust - Materials Select Sector SPDR trade was made in Q1 2014. Since then Ken Griffin bought shares 62 more times and sold shares on 61 occasions. The stake costed the investor $33.3M, netting the investor a gain of 34% so far.