Mario Gabelli acquired 157 Thousand Eversource Energy shares worth $9.53 Million. That's 0.10% of their equity portfolio (221st largest holding). The first Eversource Energy trade was made in Q1 2015. Since then Mario Gabelli bought shares three more times and sold shares on 32 occasions. The stake costed the investor $8.66 Million, netting the investor a gain of 10% so far.