Six Flags recently made significant executive changes, hoping for a turnaround.What happenedAccording to a Securities and Exchange Commission (SEC) filing dated Nov. 14, 2025, Rush Island Management reduced its position in Six Flags Entertainment Corporation (FUN +0.97%) by 3,306,963 shares during the third quarter. The move brought the fund’s FUN stake down to 487,121 shares, with a reported market value of $11.07 million as of Sept. 30, 2025.What else to knowThe fund’s sale leaves FUN at 0.76% of reportab ...