Mario Gabelli acquired 257 Thousand JPMorgan Chase shares worth $46.5 Million. That's 0.50% of their equity portfolio (48th 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 57 occasions. The stake costed the investor $10.2 Million, netting the investor a gain of 357% so far.