Humana rebounds, Aetna slips: Winners and losers in the 2027 MA star ratings
CMS released 2027 Medicare Advantage star ratings, with Humana rebounding to 93% of enrollees in high-scoring plans, up from 20% in 2026. Clover Health saw all members in four-star plans, while Aetna slipped. Analysts rated results as positive for Humana, neutral for Elevance, Centene, and UnitedHealthcare, and negative for Aetna and Alignment Healthcare.
How this was made
The 30-second read
Why it matters
Star rating shifts affect quality bonus payments, a key revenue component for MA insurers.
Market read
The new ratings provide fresh data that can move insurer stocks as investors reassess quality bonus exposure.
What to watch
Regulatory metric changes and pending litigation could cause future rating volatility.
Background
CMS released 2027 Medicare Advantage star ratings, the first public data for the upcoming plan year.
Ticker impact
Humana's share of members in 4+ star MA plans jumps to 93% for 2027, up from 20% in 2026.
likely upside as investors price higher bonus revenue.
Star rating jump signals stronger future cash flow from Medicare Advantage.
Clover Health moves from 3% to 100% of members in 4+ star plans for 2027 after lawsuit‑driven metric changes.
potential upside if market views rating as sustainable.
Legal win improves metrics, but litigation risk remains.
Elevance Health receives a slightly positive rating outcome for 2027.
limited impact, likely flat to slight rise.
Rating change is minor and not a major driver.
Centene's 4+ star member share falls to 9% for 2027 after a brief rise.
likely downside as quality bonus payments may shrink.
Sustained low star ratings hurt revenue prospects.
Aetna (CVS Health) sees 4+ star member share fall to 69% for 2027, a decline from 81% in 2026.
potential downside pressure.
Aetna's lower rating directly affects CVS's MA segment earnings.
Market effects
Medicare Advantage star ratings reshape quality bonus expectations for all MA insurers.
U.S. health‑care sector may see re‑rating of insurers based on star outcomes.
Limited to U.S. insurers; no direct global impact.
Counterpoint
Investors may view rating changes as temporary and focus on underlying enrollment growth.
Key entities
- RegulatorCenters for Medicare & Medicaid Services
Released the 2027 star ratings.
- Analyst FirmCapstone
Provided commentary on rating impacts.
