UnitedHealthcare is the largest insurer in the U.S. by market share, according to a July 2023 report from Value Penguin.
The health insurance industry is dominated by five companies that own 46 percent of the market.
Here are the top five largest health insurance companies by market share:
- UnitedHealthcare: 12 percent
- Anthem: 11 percent
- Centene: 10 percent
- Humana: 7 percent
- HCSC :6 percent