Why Six Flags Stock Popped This Week

Shares of North America's largest roller coaster park operator, Six Flags Entertainment (NYSE: FUN), rose 9% this week after activist investing firm -- and major shareholder -- Jana Partners urged the company to sell itself. While the pop from this news is nice, Six Flags' stock remains 55% below its 52-week high. Jana originally bought a 4% ownership stake in Six Flags during the third quarter of 2025, but has been disappointed with the steps the company has taken so far to improve its operations. Will ...