Top ten largest shareholders of STA according to the book closure date as of 20 April 2023, are as follows:
| No. | Name | No. of Shares | % |
| 1. | SRI TRANG HOLDINGS CO., LTD | 343,790,629 | 22.38 |
| 2. | Thai NVDR Co., Ltd | 133,337,706 | 8.68 |
| 3. | Mr. Viyavood Sincharoenkul | 132,987,509 | 8.66 |
| 4. | THE CENTRAL DEPOSITORY(PTE)LIMITED-LISTED SECURITIES | 59,050,806 | 3.84 |
| 5. | CITIGROUP GLOBAL MARKETS LIMITED-PB CLIENT-NRBS COLLATERAL | 46,967,935 | 3.06 |
| 6. | Mrs. Promsuk Sinchareonkul | 45,900,000 | 2.99 |
| 7. | SOUTH EAST ASIA UK (TYPE C) NOMINEES LIMITED | 26,811,051 | 1.75 |
| 8. | Mr. Vitanath Sincharoenkul | 24,856,500 | 1.62 |
| 9. | Mr. Vitchaphol Sincharoenkul | 23,500,000 | 1.53 |
| 10. | Mr. Veerasith Sinchareonkul | 22,500,000 | 1.46 |