The major shareholders as of 14 December 2016
| Name | No. of shares | % | |
| 1. | MINISTRY OF FINANCE | 1,000,000,000 | 70.00 |
| 2. | THAI NVDR COMPANY LIMITED | 49,548,504 | 3.47 |
| 3. | STATE STREET BANK EUROPE LIMITED | 27,325,682 | 1.91 |
| 4. | LITTLEDOWN NOMINEES LIMITED | 19,053,600 | 1.33 |
| 5. | CHASE NOMINEES LIMITED | 18,267,347 | 1.28 |
| 6. | THE BANK OF NEW YORK MELLON | 17,919,700 | 1.25 |
| 7. | SOCIAL SECURITY OFFICE | 17,275,900 | 1.21 |
| 8. | NORBAX, INC. | 12,686,607 | 0.89 |
| 9. | MR. AIYAWATT SRIVADDHANAPRABHA | 11,460,000 | 0.80 |
| 10. | MISS VORAMAS SRIVADDHANAPRABHA | 9,059,600 | 0.63 |