Mario Gabelli acquired 411k Penske Automotive Group shares worth $76.7M. That's 0.70% of their equity portfolio (21st largest holding). The first Penske Automotive Group trade was made in Q3 2007. Since then Mario Gabelli bought shares 23 more times and sold shares on 45 occasions. The stake costed the investor $7.38M, netting the investor a gain of 940% so far.