Mario Gabelli's position in PNM Resources is currently worth $34.1M. That's 0.31% of their equity portfolio (83rd largest holding). The first PNM Resources trade was made in Q3 2002. Since then Mario Gabelli bought shares nineteen more times and sold shares on 56 occasions. The stake costed the investor $9.35M, netting the investor a gain of 265% so far.