Company Overview
UnitedHealth Group Incorporated is an American multinational health care and insurance company headquartered in Minnetonka, Minnesota. With 2024 revenues of $400.3 billion, it is the largest healthcare company in the United States by revenue and the third-largest company overall on the Fortune 500, behind only Walmart and Amazon. The company employs approximately 400,000 people worldwide.
UnitedHealth Group operates through two distinct and complementary platforms: UnitedHealthcare, the health insurance division serving over 50 million people, and Optum, the health services arm providing pharmacy benefit management, care delivery, and health technology services. Optum comprises three segments: OptumHealth (care delivery), OptumRx (pharmacy benefits), and OptumInsight (technology and analytics).
The company has grown dramatically through acquisitions, including the $12.8 billion purchase of Catamaran (2015), the $4.9 billion acquisition of Amil in Brazil (2012), and the $4.3 billion acquisition of DaVita Medical Group (2019). However, 2024-2025 has been a challenging period marked by a devastating cyberattack on Change Healthcare affecting 190 million people, the murder of UnitedHealthcare CEO Brian Thompson, and the sudden resignation of CEO Andrew Witty in May 2025.
Former CEO Stephen Hemsley, who led the company from 2006 to 2017, returned to the CEO role in May 2025 to navigate the company through these unprecedented challenges.
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UnitedHealth Group is recognized as a market leader in the Healthcare sector, demonstrating strong industry presence and customer trust.
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