Mario Gabelli's position in Corning is currently worth $9.58 Million. That's 0.10% of their equity portfolio (216th largest holding). The first Corning trade was made in Q1 2001. Since then Mario Gabelli bought shares 26 more times and sold shares on 62 occasions. The stake costed the investor $5.41 Million, netting the investor a gain of 77% so far.