Mario Gabelli's position in Avista is currently worth $12.2 Million. That's 0.13% of their equity portfolio (181st largest holding). The first Avista trade was made in Q1 2001. Since then Mario Gabelli bought shares 28 more times and sold shares on twenty occasions. The stake costed the investor $11.2 Million, netting the investor a gain of 8.5% so far.