Joel Greenblatt's position in W.R. Berkley is currently worth $861 Thousand. That's 0.02% of their equity portfolio (812th largest holding). The first W.R. Berkley trade was made in Q3 2013. Since then Joel Greenblatt bought shares eleven more times and sold shares on fourteen occasions. The stake costed the investor $644 Thousand, netting the investor a gain of 34% so far.