Joel Greenblatt's position in Tyson Foods is currently worth $18.3 Million. That's 0.19% of their equity portfolio (104th largest holding). The first Tyson Foods trade was made in Q4 2010. Since then Joel Greenblatt bought shares 24 more times and sold shares on 30 occasions. The investor's estimated purchase price is $22.3 Million, resulting in a loss of 18%.