UnitedHealth Group Incorporated

UnitedHealth operates the largest U.S. health insurance business (UnitedHealthcare) serving employers, individuals, Medicare, and Medicaid recipients, while also running three integrated healthcare service businesses: Optum Rx manages prescription drug benefits and pharmacy networks, Optum Insight sells software and consulting to hospitals and health systems, and Optum Health delivers direct patient care and care management services [Yahoo Finance].

UnitedHealth Group is America's largest health insurance and healthcare services company, operating through four major divisions: insurance plans (UnitedHealthcare), pharmacy benefits (Optum Rx), data/consulting (Optum Insight), and care delivery (Optum Health) [Yahoo Finance]. The company generates $447.6B in annual revenue with 390,000 employees [Yahoo Finance]. Berkshire Hathaway completely exited its $1.4B-$1.6B stake in Q1 2026 after holding for less than nine months, triggering a stock decline and raising investor questions about UnitedHealth's near-term prospects [Yahoo Finance, Nasdaq, GuruFocus].

UnitedHealth is financially healthy with strong revenue growth, though profit margins are compressed and debt levels require monitoring [Yahoo Finance].