Joel Greenblatt acquired 40.2 Thousand BWX Technologies shares worth $3.55 Million. That's 0.05% of their equity portfolio (458th largest holding). The first BWX Technologies trade was made in Q4 2015. Since then Joel Greenblatt bought shares thirteen more times and sold shares on ten occasions. The stake costed the investor $2.88 Million, netting the investor a gain of 23% so far.