Joel Greenblatt acquired 18.2 Thousand Xylem shares worth $2.35 Million. That's 0.04% of their equity portfolio (556th largest holding). The first Xylem trade was made in Q4 2012. Since then Joel Greenblatt bought shares seventeen more times and sold shares on fifteen occasions. The stake costed the investor $1.85 Million, netting the investor a gain of 27% so far.