Mario Gabelli's position in Telefonica S.A is currently worth $48.4 Thousand. That's 0.00% of their equity portfolio (786th largest holding). The first Telefonica S.A trade was made in Q1 2001. Since then Mario Gabelli bought shares seventeen more times and sold shares on 21 occasions. The stake costed the investor $40.2 Thousand, netting the investor a gain of 21% so far.