Six Flags Entertainment stock surged 20% following NFL star Travis Kelce joining Jana Partners’ activist investor campaign, acquiring a 9% stake worth around $200 million. Kelce cited a lifelong love for Six Flags, aiming to enhance the experience for future generations. The stock closed at $25.68, up nearly 18%.

However, Six Flags’ stock has struggled, down over 45% in 2025 due to adverse weather, ride delays, and increased competition. Jana plans to collaborate with the board to boost shareholder value and guest experience, continuing their history of activism in 2006 with an 11% stake.

Jana Partners has previously worked with celebrities like CC Sabathia and Dwyane Wade. Kelce’s rising fame, linked to pop star Taylor Swift, adds to his appeal. Jake Conley, a Yahoo Finance reporter, covers US equities. For more stock market news, visit Yahoo Finance for detailed analysis and updates.

Read more at Yahoo Finance: Six Flags stock soars 17% after Travis Kelce joins activist campaign with hedge fund Jana Partners