Joel Greenblatt's position in Allegion plc is currently worth $18.8M. That's 0.11% of their equity portfolio (237th largest holding). The first Allegion plc trade was made in Q4 2013. Since then Joel Greenblatt bought shares nineteen more times and sold shares on eighteen occasions. The stake costed the investor $14.8M, netting the investor a gain of 27% so far.