Mario Gabelli's position in Avista is currently worth $11.8 Million. That's 0.12% of their equity portfolio (193rd largest holding). The first Avista trade was made in Q1 2001. Since then Mario Gabelli bought shares 29 more times and sold shares on twenty occasions. The stake costed the investor $11.4 Million, netting the investor a gain of 3.2% so far.