Joel Greenblatt's position in Halliburton is currently worth $6.43 Million. That's 0.05% of their equity portfolio (455th largest holding). The first Halliburton trade was made in Q1 2012. Since then Joel Greenblatt bought shares 25 more times and sold shares on 21 occasions. The investor's estimated purchase price is $7.1 Million, resulting in a loss of 9.4%.