Mario Gabelli's position in Telefonica S.A - ADR is currently worth $43.6 Thousand. That's 0.00% of their equity portfolio (786th largest holding). The first Telefonica S.A - ADR 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 8.6% so far.