http://www.beckershospitalreview.com/payer-issues/top-10-medicaid-insurers-represent-over-half-of-u-s-managed-care-market.html

Fifty-seven percent of the U.S.’s managed Medicaid market is held by the top 10 Medicaid insurers, an analysis from a Washington, D.C., publishing and information company Atlantic Information Services found.

AIS’ Medicare and Medicaid market data found four of the top 10 payers are involved in mergers and acquisitions that may allow them to gain more market share. Specifically, Hartford, Conn.-based Aenta’s proposed acquisition of Louisville, Ky.-based Humana would allocate more than 400,000 Medicaid beneficiaries to Aetna, if the deal is not blocked by the U.S. Department of Justice. In addition, the third ranked insurer, St. Louis-based Centene, acquired Woodland Hills, Calif.-based Health Net in July, leaving the resulting entity with the highest market share.

Here are the top 10 insurers with the most Medicaid beneficiaries and market share.