LOS ANGELES, Dec. 15, 2025 (GLOBE NEWSWIRE) -- The Portnoy Law Firm advises Six Flags Entertainment Corporation, (“Six Flags” or the "Company") (NYSE: FUN) investors of a class action on behalf of investors that bought securities in connection with the July 1, 2024 merger of legacy Six Flags Entertainment Corporation (“Legacy Six Flags”) with Cedar Fair, L.P. (“Cedar Fair”), and their subsidiaries and affiliates. Six Flags investors have until January 5, 2026 to file a lead plaintiff motion. Investors are e ...