Mario Gabelli acquired 723 Thousand Patterson Companies shares worth $22.7 Million. That's 0.24% of their equity portfolio (100th largest holding). The first Patterson Companies trade was made in Q3 2004. Since then Mario Gabelli bought shares 29 more times and sold shares on 50 occasions. The stake costed the investor $22.1 Million, netting the investor a gain of 2.6% so far.