SAN FRANCISCO (MarketWatch) -- Jana Partners LLC, a value-oriented hedge fund with an activist bent, increased its stake in theme-park operator Six Flags Inc. to 11%, according to a Securities and ...

Six Flags (SIX) soared 16% after activist investor Jana Partners revealed its teaming up with National Football League star Travis Kelce to push for changes at the theme park operator. Jana, Kansas ...

Six Flags Entertainment shares jumped after JANA Partners, together with Travis Kelce, Glenn Murphy, and Dave Habiger, revealed a 9% stake and plans to engage with the company about strategy, ...

Jana Partners, an investment firm based out of New York, has teamed up with Kansas City Chiefs star player Travis Kelce to purchase an approximate 9% stake in the Six Flags Entertainment Corporation, ...

Activist investor Jana Partners has teamed up with football star Travis Kelce to push Six Flags Entertainment to improve its marketing and customer experiences, the investor said, after disclosing a 9 ...

Over the summer, NFL star Travis Kelce gave a lift to shares of American Eagle Outfitters Inc. On Tuesday, he helped do the same for Six Flags Entertainment Corp. Shares of Six Flags FUN jumped nearly ...