Mario Gabelli acquired 3.04 Million Mueller Industries shares worth $181 Million. That's 2.08% of their equity portfolio (3rd largest holding). The investor owns 5.37% of the outstanding Mueller Industries stock. The first Mueller Industries trade was made in Q1 2001. Since then Mario Gabelli bought shares 35 more times and sold shares on 30 occasions. The stake costed the investor $88 Million, netting the investor a gain of 105% so far.