Joel Greenblatt acquired 24 Thousand Gartner shares worth $10.4 Million. That's 0.10% of their equity portfolio (264th largest holding). The first Gartner trade was made in Q2 2014. Since then Joel Greenblatt bought shares fourteen more times and sold shares on thirteen occasions. The stake costed the investor $5.72 Million, netting the investor a gain of 82% so far.