| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G | 2006-03-30 | Diaco Investments, L.P. | SIX FLAGS INC | 1,540,000 | 4.4% | EDGAR |
| SC 13G/A | 2006-02-14 | FMR CORP | SIX FLAGS INC | 15,486,525 | 15.0% | EDGAR |
| SC 13G | 2006-02-14 | REED CONNER & BIRDWELL LLC | SIX FLAGS INC | - | 9.6% | EDGAR |
| SC 13G/A | 2006-02-13 | FRANKLIN RESOURCES INC | SIX FLAGS INC | 1,574,803 | 1.7% | EDGAR |
| SC 13G | 2006-02-09 | CITIGROUP INC | SIX FLAGS INC | 8,552,135 | 8.4% | EDGAR |
| SC 13G/A | 2006-02-06 | DIMENSIONAL FUND ADVISORS INC | SIX FLAGS INC | 8,110,535 | 8.7% | EDGAR |
| SC 13G | 2006-01-26 | BARCLAYS GLOBAL INVESTORS NA /CA/ | SIX FLAGS INC | 4,335,579 | 4.7% | EDGAR |
| SC 13G | 2006-01-13 | WEITZ WALLACE R & CO | SIX FLAGS INC | 9,840,000 | 10.6% | EDGAR |
| SC 13G | 2006-01-11 | Highbridge International LLC | SIX FLAGS INC | 2,539,545 | 8.9% | EDGAR |
| SC 13G | 2005-12-27 | JANA PARTNERS LLC | SIX FLAGS INC | 6,930,500 | 7.4% | EDGAR |
| SC 13D/A | 2005-12-01 | RED ZONE LLC | SIX FLAGS INC | 10,921,300 | 11.7% | EDGAR |
| SC 13D/A | 2005-11-22 | RED ZONE LLC | SIX FLAGS INC | - | 11.7% | EDGAR |
| SC 13D/A | 2005-11-02 | Diaco Investments, L.P. | SIX FLAGS INC | 9,090,700 | 9.8% | EDGAR |
| SC 13G | 2005-10-28 | REED CONNER & BIRDWELL LLC | SIX FLAGS INC | - | 7.9% | EDGAR |
| SC 13G | 2005-10-28 | REED CONNER & BIRDWELL LLC | SIX FLAGS INC | - | 0.0% | EDGAR |
| SC 13G | 2005-10-28 | REED CONNER & BIRDWELL LLC | SIX FLAGS INC | - | 7.9% | EDGAR |
| SC 13D/A | 2005-10-20 | RED ZONE LLC | SIX FLAGS INC | 10,921,300 | 11.7% | EDGAR |
| SC 13D/A | 2005-10-05 | RED ZONE LLC | SIX FLAGS INC | 11 | 13.0% | EDGAR |
| SC 13D/A | 2005-09-16 | RED ZONE LLC | SIX FLAGS INC | 11 | 13.0% | EDGAR |
| SC 13D | 2005-09-12 | Diaco Investments, L.P. | SIX FLAGS INC | 9,020,700 | 9.7% | EDGAR |