Joel Greenblatt acquired 54.6 Thousand Pediatrix Medical Group shares worth $789 Thousand. That's 0.01% of their equity portfolio (913th largest holding). The first Pediatrix Medical Group trade was made in Q4 2010. Since then Joel Greenblatt bought shares 28 more times and sold shares on 25 occasions. The stake costed the investor $581 Thousand, netting the investor a gain of 36% so far.