From marine parks to corporate rebranding: the turbulent evolution of United Parks & Resorts

Countries & Cities · Published 15 October 2026 Swipe more like this →

In short: Once synonymous with Shamu and marine zoology, the company now known as United Parks & Resorts has navigated decades of financial volatility, ownership shifts, and public controversy. From its origins as a small San Diego attraction to its current status as a global entertainment entity, its history reveals a complex corporate transformation.

Founded in 1964 by four UCLA graduates, SeaWorld began as a marine zoological park in San Diego, famously introducing Shamu, the first healthy orca captured from the wild, in 1965. The company expanded rapidly, opening parks in Ohio and Florida before being acquired by Harcourt Brace Jovanovich in 1976. By 1988, the firm opened a massive marine park in San Antonio, yet financial pressures forced the company to seek a buyer by 1989. This led to an acquisition by the Anheuser-Busch brewery, which had been expanding its own entertainment division, Busch Entertainment Corporation, since 1959.

The company’s trajectory shifted significantly in 2009 when the Blackstone Group acquired the parks for approximately US$2.7 billion. This era saw the company transition into SeaWorld Entertainment and launch an initial public offering in 2013. However, the 2013 documentary Blackfish triggered a period of intense public scrutiny regarding the treatment of orcas. The resulting decline in revenue and share value forced a strategic pivot, leading to the end of the orca breeding program and a shift away from live orca performances. By 2016, California law had banned entertainment-driven orca captivity, and the company’s new Dubai park, opened in 2022, became its first to operate without killer whales.

In recent years, the organization has undergone further structural changes. Following a series of leadership turnovers and ownership shifts involving the Zhonghong Group and Hill Path Capital, the company rebranded as United Parks & Resorts in February 2024, changing its ticker symbol to PRKS. Despite this rebranding, the company continues to face legal challenges, including a 2026 lawsuit from Sesame Workshop regarding brand usage. Today, the firm operates 12 recreational destinations, maintaining a complex portfolio that reflects its transition from a niche marine attraction to a diversified, albeit contested, amusement park operator.

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