Mario Gabelli acquired 6.91 Thousand Alleghany Corp. shares worth $5.76 Million. That's 0.06% of their equity portfolio (308th largest holding). The first Alleghany Corp. trade was made in Q1 2001. Since then Mario Gabelli bought shares nineteen more times and sold shares on 25 occasions. The stake costed the investor $2.2 Million, netting the investor a gain of 162% so far.