Joel Greenblatt's position in United Therapeutics is currently worth $6.16 Million. That's 0.11% of their equity portfolio (233rd largest holding). The first United Therapeutics trade was made in Q4 2010. Since then Joel Greenblatt bought shares 25 more times and sold shares on 27 occasions. The stake costed the investor $2.56 Million, netting the investor a gain of 140% so far.