Ken Griffin's position in Fastenal is currently worth $13.6 Million. That's 0.02% of their equity portfolio (1029th largest holding). The first Fastenal trade was made in Q2 2013. Since then Ken Griffin bought shares 42 more times and sold shares on 42 occasions. The stake costed the investor $8.24 Million, netting the investor a gain of 65% so far.