CVS' Aetna shines in 2026 Medicare Star Ratings, with more than 81% of members in four-star plans, fueling a 73.5% YTD stock surge and strong investor momentum.
Beneficiaries enrolled in Medicare Advantage and Part D drug plans might lose their coverage as UnitedHealthcare, Humana, and Aetna (CVS Health) scale back offerings for 2026.