Data from SET website as at August 9, 2018
| No. | Shareholders | No. of ordinary shares | Percent of total shares |
| 1. | HIS MAJESTY KING MAHA VAJIRALONGKORN BODINDRADEBAYAVARANGKUN | 399,647,840 | 33.30 |
| 2. | THAI NVDR CO., LTD. | 85,990,023 | 7.17 |
| 3. | STATE STREET EUROPE LIMITED | 49,540,545 | 4.13 |
| 4. | SOCIAL SECURITY OFFICE | 46,662,250 | 3.89 |
| 5. | SOUTH EAST ASIA UK (TYPE C) NOMINEES LIMITED | 28,139,674 | 2.34 |
| 6. | THE BANK OF NEW YORK MELLON | 18,109,145 | 1.51 |
| 7. | RANDERY BARAH MAKAN CO., LTD. | 15,105,600 | 1.26 |
| 8. | SCG FOUNDATION | 13,347,300 | 1.11 |
| 9. | NORTRUST NOMINEES LIMITED-NT0 SEC LENDING THAILAND CL AC | 11,235,434 | 0.94 |
| 10. | SOUTH EAST ASIA UK (TYPE A) NOMINEES LIMITED | 10,501,916 | 0.88 |
| 11. | BNP PARIBAS SECURITIES SERVICES LUXEMBOURG | 9,914,836 | 0.83 |
| 12. | STATE STREET BANK AND TRUST COMPANY | 9,097,770 | 0.76 |
| 13. | A SIAM CEMENT GENERAL MANAGER FOUNDATION | 7,647,800 | 0.64 |
| 14. | HSBC (SINGAPORE) NOMINEES PTE LTD | 7,522,950 | 0.63 |
| 15. | MR. SAK NANA | 7,052,400 | 0.59 |