7 Fortune 500 health insurers by membership

Here’s how these seven Fortune 500 health insurance companies ranked according to membership in the first quarter of 2021:

Advertisement
Lauren Jensik

1. UnitedHealth Group: 49.5 million members

2. Anthem: 43.5 million members

3. Centene: 25.1 million members

4. CVS Health (Aetna): 23.6 million members

5. Humana: 16.95 million members

6. Cigna: 16.7 million members

7. Molina Healthcare: 4.6 million members

Behavioral health's breaking point: New survey reveals what leaders are prioritizing next

Recommended Live Webinar on Jan 28, 2026 12:00 PM - 1:00 PM CST

Advertisement

Next Up in Rankings and Ratings

  • 10 'neediest' US cities

    Detroit remains the neediest city in the U.S., largely because it has the highest unemployment rate in the country at…

    By: Kristin Kuchno

  • Leapfrog's 151 top hospitals in 2025 

    The Leapfrog Group has published its annual list of top-performing hospitals, recognizing 151 hospitals in the U.S. for excellence in…

    By: Erica Cerutti
Advertisement

Comments are closed.