Top shareholders according to the share registration book closing on 13 March 2020 are as follows:

No. Major Shareholders # Shares % Shares
1. Mrs. Charuwan Vanasin 96,599,119 11.38
2. Ramkhamhaeng Hospital PCL. 85,502,400 10.07
3. WJ International Hospital Management Co., Ltd. 51,304,344 6.04
4. Mr. Amnuay Unnanuntana, MD 43,510,970 5.12
5. Mr. Arsa Meksawan 29,743,637 3.50
6. Mrs. Nawara Vanasin 26,736,663 3.15
7. Global Health Investment Co., Ltd. 21,413,340 2.52
8. Dr. Aurchart Kanjanapitak 18,259,500 2.15
9. Thai NVDR Company Limited 15,618,059 1.84
10. F&S 79 Co., Ltd. 8,695,656 1.02
11. Mr. Sita Meksawan 8,415,063 0.99
12. Mr. Aasis Unnanuntana 6,831,300 0.80
13. Mr. Boon Vanasin 5,801,848 0.68
14. Mr. Somkiat Peetakanonda 5,083,337 0.60
15. Mrs. Amorntip Chiammanisakul 5,035,600 0.59
16. Miss Thanyarat Charoenchue 5,001,300 0.59
17. Mrs. Alisa Simaroj 5,000,000 0.59
18. Miss Aurora Unnanuntana 5,000,000 0.59
19. นาย สมิทธ มะกรสาร 4,529,845 0.53