Joel Greenblatt's position in Fastenal is currently worth $16.1 Million. That's 0.16% of their equity portfolio (137th largest holding). The first Fastenal trade was made in Q1 2015. Since then Joel Greenblatt bought shares seventeen more times and sold shares on sixteen occasions. The stake costed the investor $12.5 Million, netting the investor a gain of 28% so far.