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