Top 10 health insurance groups, ranked by NAIC

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.

See also: Obama Picks Former NAIC President to Head HHS

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

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9. Highmark

Premiums: $14.6 billion

Market share: 1.7 percent

See also: Regulator task force to inspect PPACA World safety cushion

8. Aflac (NYSE:AFL)

Premiums: $14.5 billion

Market share: 1.8 percent

See also: Saltzman: HSAs: From Panacea to Broken China

7. Cigna Corp. (NYSE:CI)

Premiums: $21.4 billion

Market share: 2.6 percent

See also: Expat plans win PPACA reprieve

6. Health Care Service Corp.

Premiums: $28.9 billion