MA Enrollment Explorer / Parent organizations / Guidewell Mutual Holding Corporation
Guidewell Mutual Holding Corporation: Medicare Advantage enrollment and market share
Guidewell Mutual Holding Corporation had 262,131 Medicare Advantage members in October 2026, #19 nationally with 0.72% of all MA enrollment. It lost 10,664 members (−3.9%) since October 2025, and has enrollment in 3 states and 145 counties with 11 or more members, leading the market in 5 of them. In the 2026 Annual Election Period (December to February) it lost 12,289 members (−4.5%). For 2027, 0 of its members are in plans that terminate and 1,071 in plans leaving their county.
262KMA members, October 2026
−3.9%change since October 2025 (−10,664)
0.72%national MA share, rank 19
5contracts with enrollment
Largest states
| State | Members | Share of state MA |
|---|---|---|
| Florida | 133,957 | 4.4% |
| Puerto Rico | 127,083 | 18.6% |
| Georgia | 11 | 0.0% |
Largest counties
| County | Members | Change since October 2025 | Share of county MA |
|---|---|---|---|
| Leon County, FL | 19,916 | +1,065 | 61.3% |
| San Juan, PR | 12,273 | +712 | 20.4% |
| Volusia County, FL | 12,111 | −1,811 | 11.4% |
| Ponce, PR | 10,128 | +3,568 | 32.6% |
| Bayamon, PR | 7,812 | +762 | 20.2% |
| Palm Beach County, FL | 7,045 | −1,820 | 3.9% |
| Arecibo, PR | 6,120 | +1,138 | 29.2% |
| Duval County, FL | 5,462 | −2,012 | 5.2% |
| Sumter County, FL | 5,437 | −380 | 10.6% |
| Caguas, PR | 5,402 | +878 | 20.1% |
| Carolina, PR | 5,401 | +317 | 17.7% |
| Broward County, FL | 5,401 | −4,093 | 2.2% |
| Marion County, FL | 5,233 | −673 | 6.1% |
| Lee County, FL | 5,149 | −1,424 | 4.5% |
| Lake County, FL | 4,896 | −723 | 6.6% |
Contracts
| Contract | Plan type | Oct 2024 | Oct 2025 | Oct 2026 |
|---|---|---|---|---|
| H5774 Triple S Advantage | HMO/HMOPOS | 119,395 | 97,232 | 120,943 |
| H5434 Florida Blue | Local PPO | 78,221 | 79,910 | 61,801 |
| H1035 Florida Blue HMO | HMO/HMOPOS | 87,610 | 64,395 | 46,287 |
| H5938 Capital Health Plan | HMO/HMOPOS | 23,968 | 24,733 | 26,593 |
| H4005 Triple-S Advantage | Local PPO | 6,253 | 6,525 | 6,507 |
| R3332 Florida Blue | Regional PPO | 18,551 | n/a | n/a |
Star ratings for these contracts are in the MA Quality Dashboard.