Joel Greenblatt's position in Blackrock is currently worth $5.96 Million. That's 0.09% of their equity portfolio (300th largest holding). The first Blackrock trade was made in Q1 2015. Since then Joel Greenblatt bought shares 21 more times and sold shares on fifteen occasions. The stake costed the investor $3.7 Million, netting the investor a gain of 61% so far.