Joel Greenblatt's position in SSgA Active Trust - SPDR S&P 500 ETF Trust is currently worth $1.35 Billion. It makes up 13.64% of their stock portfolio and is their biggest holding. The investor owns 200.95% of the outstanding SSgA Active Trust - SPDR S&P 500 ETF Trust stock. The first SSgA Active Trust - SPDR S&P 500 ETF Trust trade was made in Q2 2011. Since then Joel Greenblatt bought shares 36 more times and sold shares on sixteen occasions. The stake costed the investor $1.19 Billion, netting the investor a gain of 13% so far.