Mario Gabelli's position in Tennant is currently worth $57.1 Million. That's 0.61% of their equity portfolio (35th largest holding). The investor owns 2.60% of the outstanding Tennant stock. The first Tennant trade was made in Q1 2001. Since then Mario Gabelli bought shares 32 more times and sold shares on 52 occasions. The stake costed the investor $14.6 Million, netting the investor a gain of 292% so far.