Joel Greenblatt acquired 194 Thousand Walmart shares worth $19 Million. That's 0.15% of their equity portfolio (135th largest holding). The first Walmart trade was made in Q4 2011. Since then Joel Greenblatt bought shares 29 more times and sold shares on 24 occasions. The stake costed the investor $5.41 Million, netting the investor a gain of 251% so far.