Wisconsin Managed Care Health Plan Market Share report shows which HMOs have the largest market share enrollment. Detailed enrollment breakout by county for January 1, 2022. Includes UHC of WI, Quartz, Dean, Security, Compcare, Children’s, Network, Managed Health, Group Health Cooperative, Molina, I-Care, Aspirus, MercyCare HMO, Humana, WPS and more. Report by the WI Office of the Commissioner of Insurance, published August 2022.