10 largest health insurers

In 2018, the 10 largest health and accident insurers collectively wrote 51.8 percent of premiums in the total U.S. market, according to data from the National Association of Insurance Commissioners cited by Insurance Business America.

Using 2018 data from the NAIC, Insurance Business America listed the 10 biggest health insurance and accident groups in the U.S. They are:

1. UnitedHealth Group
Direct written premiums: $156.9 billion
Market share: 14.2 percent

2. Kaiser Foundation
Direct written premiums: $93.2 billion
Market share: 8.5 percent

3. Anthem
Direct written premiums: $67.2 billion
Market share: 6.1 percent

4. Humana
Direct written premiums: $56 billion
Market share: 5.1 percent

5. CVS Health
Direct written premiums: $55.4 billion
Market share: 5.0 percent

6. Health Care Service Corp.
Direct written premiums: $36.9 billion
Market share: 3.4 percent

7. Centene Corp.
Direct written premiums: $36.3 billion
Market share: 3.3 percent

8. Cigna
Direct written premiums: $29.3 billion
Market share: 2.7 percent

9. WellCare Health Plans (Centene)
Direct written premiums: $20.5 billion
Market Share: 1.9 percent

10. Molina Healthcare
Direct written premiums: $18.5 billion
Market share: 1.7 percent

View the full ranking here.

More articles on payers:
HCSC to lay off 400 employees
CMS to allow Medicaid funding caps: 5 things to know
22 payer exec moves in January

Copyright © 2024 Becker's Healthcare. All Rights Reserved. Privacy Policy. Cookie Policy. Linking and Reprinting Policy.