MA Enrollment Explorer / Parent organizations / Horizon Mutual Holdings, Inc
Horizon Mutual Holdings, Inc: Medicare Advantage enrollment and market share
Horizon Mutual Holdings, Inc had 78,059 Medicare Advantage members in October 2026, #37 nationally with 0.21% of all MA enrollment. It lost 3,113 members (−3.8%) since October 2025, and has enrollment in 10 states and 60 counties with 11 or more members. In the 2026 Annual Election Period (December to February) it lost 6,172 members (−7.5%). For 2027, 48,158 of its members are in plans that terminate and 0 in plans leaving their county.
78KMA members, October 2026
−3.8%change since October 2025 (−3,113)
0.21%national MA share, rank 37
2contracts with enrollment
Largest states
| State | Members | Share of state MA |
|---|---|---|
| New Jersey | 75,992 | 9.9% |
| Florida | 623 | 0.0% |
| Pennsylvania | 146 | 0.0% |
| South Carolina | 82 | 0.0% |
| Delaware | 53 | 0.1% |
| North Carolina | 46 | 0.0% |
| New York | 31 | 0.0% |
| Arizona | 25 | 0.0% |
| Nevada | 14 | 0.0% |
| California | 14 | 0.0% |
Largest counties
| County | Members | Change since October 2025 | Share of county MA |
|---|---|---|---|
| Ocean County, NJ | 14,026 | +67 | 21.4% |
| Monmouth County, NJ | 8,050 | +284 | 17.5% |
| Essex County, NJ | 7,268 | +783 | 11.2% |
| Hudson County, NJ | 5,849 | +776 | 11.8% |
| Union County, NJ | 4,478 | +614 | 9.9% |
| Middlesex County, NJ | 3,913 | −3,784 | 6.0% |
| Passaic County, NJ | 3,799 | −687 | 8.2% |
| Bergen County, NJ | 3,582 | −2,297 | 5.0% |
| Camden County, NJ | 3,521 | −1,014 | 7.2% |
| Atlantic County, NJ | 3,480 | +237 | 11.8% |
| Burlington County, NJ | 2,680 | +166 | 6.1% |
| Cumberland County, NJ | 2,640 | +108 | 15.7% |
| Mercer County, NJ | 2,568 | +224 | 7.7% |
| Gloucester County, NJ | 2,125 | +145 | 7.5% |
| Morris County, NJ | 1,785 | +349 | 5.0% |
Contracts
| Contract | Plan type | Oct 2024 | Oct 2025 | Oct 2026 |
|---|---|---|---|---|
| H0885 Braven Health | Local PPO | 49,071 | 58,368 | 49,725 |
| H8298 Horizon Blue Cross Blue Shield of New Jersey | HMO/HMOPOS | 20,639 | 22,804 | 28,334 |
Star ratings for these contracts are in the MA Quality Dashboard.