Market Share of Leading Commercial Risk Health Insurers Averages 45% Over the Past 5 Years

January 16, 2020

Source: Health Coverage Portal ^TM, Mark Farrah Associates, presenting data from the National Association of Insurance Commissioners (NAIC) and the California Department of Managed Health Care (CA DMHC).

The 5 leading commercial risk health insurers by market share have represented an average of 45% of the total commercial risk market over the past 5 years. Commercial enrollment declined from 78.8 million to 72.9 million enrollees between 3Q15 and 3Q19. Additionally, the leading healthcare insurers each experienced membership changes that resulted in variation of market share.

• Kaiser continued to lead the commercial risk market with over 9.4 million members in 3Q19, an increase of nearly 1.1 million since 3Q15.
• UnitedHealth ended 3Q19 with over 8.3 million members, a net increase of 28,000 members.
• Both Anthem and HCSC experienced a decline in market share between 3Q15 and 3Q19, by 1.1% and 0.7% respectively.
• CVS market share was at 4.1%, or just over 3.0 million members by the end of 3Q19.

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