The National Association of Insurance Commissioners (NAIC) is getting ready to release 2015 health insurance market share data sometime in the next few weeks.
The 2015 numbers may start to show how the Patient Protection and Affordable Care Act (PPACA) commercial health insurance programs and rule changes will reshape the U.S. health finance system. Most of the major PPACA changes took effect in January 2014.
Recommended For You
That means that all industry numbers that come from before January 2014 — in the Before PPACA (BP) era — might as well have come from Mars.
The 2014 market share numbers the NAIC published for 2014 are, effectively, the first U.S. health insurance market share numbers for our current health insurance universe.
Keep reading to find out how the market looked when PPACA World was born.
10. Centene Group (NYSE:CNC)
Premiums: $13.6 billion
Market share: 1.6 percent
9. Highmark
Premiums: $14.6 billion
Market share: 1.7 percent
8. Aflac (NYSE:AFL)
Premiums: $14.5 billion
Market share: 1.8 percent
7. Cigna Corp. (NYSE:CI)
Premiums: $21.4 billion
Market share: 2.6 percent
6. Health Care Service Corp.
Premiums: $28.9 billion
Market share: 3.5 percent
5. Humana (NYSE:HUM)
Premiums: $45.8 billion
Market share: 5.5 percent
4. Aetna (NYSE:AET)
Premiums: $48.2 billion
Market share: 5.8 percent
3. Anthem (NYSE:ANTM)
Premiums: $52.4 billion
Market share: 6.3 percent
2. Kaiser Foundation
Premiums: $63.5 billion
Market share: 7.6 percent
1. UnitedHealth (NYSE:UNH)
Premiums: $98.5 billion
Market share: 11.8 percent
© 2025 ALM Global, LLC, All Rights Reserved. Request academic re-use from www.copyright.com. All other uses, submit a request to [email protected]. For more information visit Asset & Logo Licensing.
Allison Bell
Allison Bell, a senior reporter at ThinkAdvisor and BenefitsPRO, previously was an associate editor at National Underwriter Life & Health. She has a bachelor's degree in economics from Washington University in St. Louis and a master's degree in journalism from the Medill School of Journalism at Northwestern University. She can be reached through X at @Think_Allison.
