The current institutional shareholding score of Six Flags Entertainment Corp is 10.00, ranking 1 out of 119 in the Hotels & Entertainment Services industry. The latest institutional shareholding proportion is 112.43%, representing a quarter-over-quarter increase of 0.82%. The largest institutional shareholder is Jana Partners, holding a total of 3.56M shares, representing 4.04% of shares outstanding, with 0.32% increase in holdings.