Mario Gabelli's position in Mueller Water Products is currently worth $72 Million. That's 0.78% of their equity portfolio (20th largest holding). The investor owns 1.69% of the outstanding Mueller Water Products stock. The first Mueller Water Products trade was made in Q3 2006. Since then Mario Gabelli bought shares 31 more times and sold shares on 40 occasions. The stake costed the investor $32.8 Million, netting the investor a gain of 120% so far.