Top 10 Health Insurance Companies in 2025

By Editorial Team -

Overview of Leading Companies

The following table lists the top health insurance companies based on market share and revenue for 2025:
  1. UnitedHealth Group Inc.
  2. Elevance Health (formerly Anthem)
  3. Kaiser Permanente
  4. Centene (Ambetter) 
  5. Humana 
  6. Aetna 
  7. Cigna 
  8. Highmark
  9. HCSC (Health Care Service Corporation)
  10. Molina Healthcare
Top 10 Health Insurance Companies

Top 10 health insurance companies by revenue in 2025

Here are the top 10 health insurance by revenue as of 2024-2025, primarily based on trailing twelve-month (TTM) and fiscal year 2024 revenue data from multiple sources:


1. UnitedHealth Group Inc.
  • Revenue: Approximately $379 billion
  • Description: A leading health insurance company providing data analytics, consulting, and pharmacy care services.
  • Market Share: 15.7%
  • Notable Features: Largest by revenue, extensive provider network.
  • Market: NYSE, USA (1, 2, 4)
    2. Elevance Health (formerly Anthem)
    • Revenue: Approximately $172 billion
    • Description: Offers health plans and clinical, behavioral, pharmacy, and complex-care products.
    • Market Share: 9.7%
    • Notable Features: Nationwide access through Blue Cross Blue Shield.
    • Market: NYSE, USA (1, 4)
    3. Kaiser Permanente
    • Revenue: Approximately $126 billion
    • Market Share: 9.2%
    • Notable Features: Best for affordability, strong member satisfaction.
    4. Centene (Ambetter) 
    • Revenue: Approximately $116 billion
    • Market Share: 8.6%
    • Notable Features: Largest individual health insurance provider.
    5. Humana 
    • Revenue: Approximately $90 billion
    • Market Share: 7.5%
    • Notable Features: Offers a variety of plans including Medicare Advantage.
    6. Aetna 
    • Revenue: Approximately $80 billion
    • Market Share: 6.5%
    • Notable Features: Low customer complaints, strong chronic condition management
    7 Cigna 
    • Revenue: Approximately $75 billion
    • Market Share: 5.8%
    • Notable Features: Comprehensive health services and wellness programs
    8. Highmark 
    • Revenue: Approximately $50 billion
    • Market Share: 4.2%
    • Notable Features: Regional focus with a variety of plan options
    9. HCSC (Health Care Service Corporation) 
    • Revenue: Approximately $45 billion
    • Market Share: 3.9%
    • Notable Features: Operates Blue Cross Blue Shield plans in multiple states
    10. Molina Healthcare 
    • Revenue: Approximately $40 billion
    • Market Share: 3.5%
    • Notable Features: Focus on low-income individuals and families
    Key Considerations
    • UnitedHealth Group is the largest health insurer by revenue, providing a wide range of plans and a vast network of healthcare providers.
    • Kaiser Permanente is noted for its affordability and low customer complaints, making it a popular choice for many.
    • Centene primarily focuses on individual health insurance plans, making it a significant player in that market segment.
    These companies are recognized for their extensive coverage options, customer service, and overall market presence.

    Related:

    Top 10 Healthcare Companies by Revenue

    Top 10 Pharmaceutical Companies by Revenue in 2025

    Top 10 Drugs by Worldwide Sales in 2025

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