| List of top 10 shareholders as of 15 March 2018 |
Number of Shares | Percentage of Shareholding | |
| 1 | Mr. Prasert Prasarttong-Osoth, M.D. and spouse | 2,913,602,540 | 18.81% |
| Miss Poramaporn Prasarttong-Osoth, M.D. | 558,437,610 | 3.60% | |
| Mrs. Ariya Prasarttong-Osoth | 73,002,800 | 0.47% | |
| Miss Somruthai Prasarttong-Osoth | 36,800,000 | 0.24% | |
| Mr. Puttipong Prasarttong-Osoth, M.D. and spouse | 28,326,660 | 0.18% | |
| Total | 3,610,169,610 | 23.31% | |
| 2 | Mr. Wichai Thongtang and spouse | 50,076,553 | 0.32% |
| Mr. Att Thongtang | 346,874,295 | 2.27% | |
| Mr. Itti Thongtang and spouse | 318,213,444 | 2.05% | |
| Miss Viorn Thongtang | 253,725,494 | 1.64% | |
| Mr. Attikhun Thongtang | 199,389,604 | 1.29% | |
| Total | 1,168,279,390 | 7.54% | |
| 3 | Bangkok Airways PCL | 918,418,690 | 5.93% |
| Bangkok Airways Holding Co., Ltd. | 205,000,000 | 1.32% | |
| Total | 1,123,418,690 | 7.25% | |
| 4 | The Viriyah Insurance PCL | 948,283,830 | 6.12% |
| 5 | Thai NDVR Co., Ltd. | 813,695,001 | 5.25% |
| 6 | Social Security Office | 635,230,200 | 4.10% |
| 7 | Mr. Chirotchana Suchato, M.D.and spouse | 392,220,090 | 2.53% |
| Mr. Janus Suchato | 3,951,460 | 0.03% | |
| Mrs. Nasuda Darnchaivijitr | 5,930,000 | 0.04% | |
| Mrs. Ranitha Thongdee and spouse | 7,286,930 | 0.05% | |
| Total | 409,388,480 | 2.64% | |
| 8 | Miss Napamas Ladpli | 158,570,000 | 1.02% |
| Mrs. Atinuch Malakul Na Ayudhaya, D.D.S. | 131,293,020 | 0.85% | |
| Mr. Parameth Ladpli, M.D. | 69,444,350 | 0.45% | |
| Total | 359,307,370 | 2.32% | |
| 9 | Mr. Chuladej Yossundharakul, M.D. and spouse | 50,060,490 | 0.32% |
| Mr. Chulavej Yossundharakul | 120,000,000 | 0.77% | |
| Mr. Chulawat Yossundharakul | 60,000,000 | 0.39% | |
| Flying Officer Marin Chansai | 60,000,000 | 0.39% | |
| Total | 290,060,490 | 1.87% | |
| 10 | THE BANK OF NEW YORK MELLON | 256,474,590 | 1.66% |
| Total | 9,614,307,651 | 62.06% | |
Source: Thailand Securities Depository Company Limited