Robert Bruce's position in Duke Energy is currently worth $20.9 Million. That's 9.08% of their entire equity portfolio (4th largest holding). The investor owns Inf% of the outstanding Duke Energy stock. Robert Bruce started to build up the position in Duke Energy in Q3 2014 and continued to invest until Q4 2015. Since then they sold 144 Thousand shares. The stake costed the investor $14.8 Million, netting the investor a gain of 41% so far.