Share of total comprehensive Medicaid MCO enrollment as of July 1, 2020

  1. Centene: 22%
  2. Anthem: 11%
  3. UnitedHealth Group: 9%
  4. Molina: 5%
  5. Aetna/CVS: 3%
  6. 9 Other Multi-State Parent Firms: 12%
  7. 133 Local / Regional MCOs: 38%
  8. Total MCOL enrollment: 57 million
Notes: A parent firm is a firm that owns Medicaid MCOs that provide comprehensive services to Medicaid beneficiaries in two or more states. Aetna was acquired by CVS Health in November 2018 and is referred to as "Aetna/CVS." WellCare was acquired by Centene in January 2020. Anthem changed its name to Elevance Health in 2022.

Source: KFF: A Closer Look at the Five Largest Publicly Traded Companies Operating Medicaid Managed Care Plans, July 6, 2023 - https://www.kff.org/medicaid/issue-brief/a-closer-look-at-the-five-largest-publ…