Joel Greenblatt's position in Duke Energy is currently worth $1.77 Million. That's 0.03% of their equity portfolio (632nd largest holding). The investor owns Inf% of the outstanding Duke Energy stock. The first Duke Energy trade was made in Q3 2016. Since then Joel Greenblatt bought shares thirteen more times and sold shares on thirteen occasions. The stake costed the investor $1.62 Million, netting the investor a gain of 9.0% so far.