Joel Greenblatt's position in SSgA Active Trust - SPDR S&P 500 ETF Trust is currently worth $2.83B. It makes up 16.20% of their stock portfolio and is their biggest holding. The investor owns 367.54% 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 38 more times and sold shares on sixteen occasions. The stake costed the investor $2.33B, netting the investor a gain of 21% so far.