Mario Gabelli acquired 251 Thousand JPMorgan Chase shares worth $51.4 Million. That's 0.54% of their equity portfolio (42nd largest holding). The first JPMorgan Chase trade was made in Q1 2001. Since then Mario Gabelli bought shares 31 more times and sold shares on 58 occasions. The stake costed the investor $9.95 Million, netting the investor a gain of 417% so far.