Humana Soars on CMS Star Ratings; ALHC Sinks — SkimNews

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- Humana (HUM) stock soared after the company announced 95% of its Medicare Advantage members will be in 4-star or higher plans for 2027, well above the CMS-reported industry average of roughly 71% of MAPD enrollees in plans rated four stars or above.
- Alignment Healthcare (ALHC) moved in the opposite direction, sinking as CMS Star Ratings for 2027 were released, per the headline framing shared across coverage.
Why it matters: Humana's 95% figure (vs. the ~71% industry benchmark) is the kind of gap that determines quality bonus payments and rebate revenue under Medicare Advantage, so the stock move reflects a concrete financial advantage, not just sentiment. The simultaneous ALHC drop shows the ratings release is redistributing winners and losers within the MA insurer space, not lifting all boats.
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