Top 10 Health Insurance Groups By Direct Premiums Written, 2015

($000)

Rank Group/company Direct premiums written (1) Market share
1 UnitedHealth Group Inc. $67,486,464 11.4%
2 Anthem Inc. 54,715,501 9.2
3 Humana Inc. 51,405,175 8.7
4 HealthCare Service Corp. 32,644,621 5.5
5 Aetna Inc. 24,417,307 4.1
6 Centene Corp. 20,261,187 3.4
7 Independence Health Group Inc. 14,291,608 2.4
8 WellCare Health Plans Inc. 12,229,584 2.1
9 Kaiser Foundation Health Plan Inc. 11,934,022 2.0
10 Molina Healthcare Inc. 11,918,163 2.0
(1) Based on health insurer annual statement data. Excludes health insurance data from the property/casualty and life/health annual statements. Excludes territories. Source: NAIC data, sourced from S&P Global Market Intelligence, Insurance Information Institute.