Finantrix Atlas · Health insurer
Unitedhealth Group, Inc.
Enrolled 9,354,348 people in Medicare Advantage in October 2026, 26.0% of the total, across 68 contracts.
9,354,348
Medicare Advantage enrollment, October 2026
26.0%
share of all enrollment
+0.1%
change on the month
Month by month
As CMS counts enrollment by contract, grouped by parent organization.
| Month | Medicare Advantage | Drug plan (PDP) | Contracts |
|---|---|---|---|
| October 2026 | 9,354,348 | 3,716,315 | 68 |
| September 2026 | 9,343,877 | 3,723,644 | 68 |
| August 2026 | 9,336,283 | 3,734,681 | 68 |
| July 2026 | 9,328,676 | 3,740,796 | 68 |
| June 2026 | 9,318,103 | 3,748,734 | 68 |
| May 2026 | 9,315,215 | 3,759,629 | 68 |
| April 2026 | 9,327,892 | 3,772,303 | 68 |
| March 2026 | 9,352,125 | 3,785,020 | 68 |
| February 2026 | 9,369,348 | 3,795,915 | 68 |
| January 2026 | 9,406,942 | 3,834,782 | 68 |
| December 2025 | 10,294,376 | 3,520,749 | 68 |
| November 2025 | 10,299,237 | 3,527,321 | 68 |
From public regulatory filings, as filed; no figure is estimated. Updated 2026-10-28. Not investment advice.