Mario Gabelli acquired 80.4 Thousand Six Flags Entertainment shares worth $2.77 Million. That's 0.03% of their equity portfolio (420th largest holding). Mario Gabelli acquired their 80.4 Thousand shares in Q4 2009. So far they never sold any shares in the company. The stake costed the investor $742 Thousand, netting the investor a gain of 273% so far.