Medicare Supplement market leader United Healthcare (UHC) released 1st quarter 2025 financials on April 17th, reporting a 25,000 decrease in Medicare Supplement lives in 1st quarter.  The UHC enrollment table below features Standardized and Modernized policy in-force counts of 4,310,000 as of 3/31/2025, which is a 15,000 decrease in the past 12 months.  UHC continues to hold the largest market share in the Medicare Supplement market by a wide margin.

This UHC enrollment table shows Medicare Advantage enrollment counts of 8,245,000 as of 3/31/2025, a 485,000 increase in the past 12 months.  The 485,000 enrollment increase in the past year is a 6.3% increase over the Medicare Advantage enrollment counts as of 3/31/2024.

This UHC enrollment table shows Medicare PDP enrollment counts of 2,835,000 as of 3/31/2025, a 250,000 decrease in the past 12 months.  The 250,000 enrollment decrease in the past year is an 8.1% decrease over the Medicare PDP enrollment counts as of 3/31/2024.