Medicare Advantage
MA Landscape Analysis at Start of Year 2026
A visual and data-driven analysis of the Medicare Advantage market heading into 2026, including enrollment rankings across the Top 25 health plans, year-over-year rank movement, and emerging growth patterns among regional plans and startups. Built with the Aequalis Payer Insights Platform.
Key findings
- ▸A visual read of the top MA health plans by 2026 enrollment: the five largest carriers still control ~70% of Medicare Advantage.
- ▸Most Blues plans continued a year-over-year retreat while for-profit start-ups kept climbing the rankings.
- ▸For-profits are ceding share to the Blues amid targeted exits; the HCSC–Cigna transition shifted ~700k members and masks the broader Blues pullback.
- ▸Focused disruptors such as CareSource and Sanford Health post outsized growth even as large-scale incumbents shrink.
- ▸Humana was the 2026 AEP 'winner' among the giants, and the only top-6 carrier growing above 2%.
- ▸Built with the Aequalis Payer Insights Platform; includes Top 25 rankings and five-year rank movement.