Mario Gabelli acquired 99.2k Casella Waste Systems shares worth $8.55M. That's 0.08% of their equity portfolio (261st largest holding). The first Casella Waste Systems trade was made in Q4 2007. Since then Mario Gabelli bought shares fifteen more times and sold shares on 30 occasions. The stake costed the investor $391k, netting the investor a gain of 2088% so far.