Mario Gabelli acquired 164k JPMorgan Chase shares worth $54.7M. That's 0.49% of their equity portfolio (46th largest holding). The first JPMorgan Chase trade was made in Q1 2001. Since then Mario Gabelli bought shares 32 more times and sold shares on 65 occasions. The stake costed the investor $6.5M, netting the investor a gain of 743% so far.