Mario Gabelli acquired 156 Thousand United-Guardian shares worth $1.23 Million. That's 0.01% of their equity portfolio (530th largest holding). The investor owns 3.42% of the outstanding United-Guardian stock. The first United-Guardian trade was made in Q3 2006. Since then Mario Gabelli bought shares twelve more times and sold shares on 35 occasions. The investor's estimated purchase price is $1.43 Million, resulting in a loss of 14%.