Mario Gabelli's position in Mueller Water Products is currently worth $50.5 Million. That's 0.54% of their equity portfolio (40th largest holding). The investor owns 2.04% of the outstanding Mueller Water Products stock. The first Mueller Water Products trade was made in Q3 2006. Since then Mario Gabelli bought shares 30 more times and sold shares on 37 occasions. The stake costed the investor $35.2 Million, netting the investor a gain of 44% so far.