Ken Griffin's position in SSgA Active Trust - SPDR S&P 500 ETF Trust is currently worth $260M. That's 0.17% of their equity portfolio (113th largest holding). The first SSgA Active Trust - SPDR S&P 500 ETF Trust trade was made in Q1 2014. Since then Ken Griffin bought shares 59 more times and sold shares on 64 occasions. The stake costed the investor $112M, netting the investor a gain of 131% so far.