Mario Gabelli's position in United Rentals is currently worth $31.9M. That's 0.29% of their equity portfolio (88th largest holding). The first United Rentals trade was made in Q3 2007. Since then Mario Gabelli bought shares 21 more times and sold shares on 33 occasions. The stake costed the investor $626k, netting the investor a gain of 4998% so far.