Overview As of 9 March 2018
| No. | Major Shareholders | # Shares | % Shares |
|---|---|---|---|
| 1. | Mrs. Charuvarn Vanasin | 85,853,562 | 10.11 |
| 2. | WJ International Hospital Management Co.,Ltd. | 60,000,000 | 7.07 |
| 3. | Mrs. Navara Vanasin | 49,872,663 | 5.87 |
| 4. | Global Health Investment Co., Ltd. | 43,813,340 | 5.16 |
| 5. | Mr. Amnuay Unnanuntana, MD | 43,510,970 | 5.12 |
| 6. | Khunying Songseang Meksawan | 20,046,582 | 2.36 |
| 7. | บริษัท โรงพยาบาลรามคำแหง จำกัด (มหาชน) | 15,144,600 | 1.78 |
| 8. | Mr. Arsa Meksawan | 9,161,755 | 1.08 |
| 9. | Mr. Aasis Unnanuntana, MD | 6,811,300 | 0.80 |
| 10. | Mr. Boon Vanasin | 5,801,848 | 0.68 |