Top ten largest shareholders of STA according to the book closure date as of 19 April 2024, are as follows:
| No. | Name | No. of Shares | % |
| 1. | SRI TRANG HOLDINGS CO., LTD | 343,790,629 | 22.38 |
| 2. | Mr. Viyavood Sincharoenkul | 132,987,509 | 8.66 |
| 3. | Thai NVDR Co., Ltd | 123,057,028 | 8.01 |
| 4. | THE CENTRAL DEPOSITORY(PTE)LIMITED-LISTED SECURITIES | 58,893,206 | 3.83 |
| 5. | Mrs. Promsuk Sinchareonkul | 46,440,000 | 3.02 |
| 6. | SOUTH EAST ASIA UK (TYPE C) NOMINEES LIMITED | 33,492,079 | 2.18 |
| 7. | Mr. Vitchaphol Sincharoenkul | 29,000,000 | 1.89 |
| 8. | LGT BANK (SINGAPORE) LTD | 27,273,540 | 1.78 |
| 9. | Mr. Vitanath Sincharoenkul | 26,516,100 | 1.73 |
| 10. | นาย สมภพ ติงธนาธิกุล | 25,000,000 | 1.63 |