Mario Gabelli's position in National Presto Industries is currently worth $2.24 Million. That's 0.02% of their equity portfolio (460th largest holding). The first National Presto Industries trade was made in Q1 2001. Since then Mario Gabelli bought shares nineteen more times and sold shares on 30 occasions. The stake costed the investor $1.93 Million, netting the investor a gain of 16% so far.