Joel Greenblatt's position in Netapp is currently worth $18.9 Million. That's 0.19% of their equity portfolio (88th largest holding). The first Netapp trade was made in Q4 2012. Since then Joel Greenblatt bought shares 25 more times and sold shares on 23 occasions. The stake costed the investor $8.79 Million, netting the investor a gain of 115% so far.