May 2, 2023
| Name | Shares held in own name | |
| Shares | Shareholdings | |
| TienPin Development Co., Ltd. | 43,791,000 | 23.17% |
| Yuan Chuan Steel Co. Ltd. | 15,000,762 | 7.94% |
| Mayer Steel Pipe Corporation | 10,300,000 | 5.45% |
| Durban Development Co., Ltd. | 6,446,451 | 3.41% |
| Miramar Hotel Taipei Co., Ltd. | 5,150,772 | 2.73% |
| Citibank as a custodian of Berkeley Capital SBL/PB investment account | 2,891,300 | 1.14% |
| In custody of HSBC (Taiwan) Commercial Bank | 2,172,000 | 1.15% |
| Investment account of J.P. Morgan in custody of Chase JP Morgan | 1,710,832 | 0.91% |
| BNP Paribas Arbitrage S.N.C. in custody of Citibank | 1,274,900 | 0.67% |
| Citi Global Market - Asia Pacific Derivative Trading in custody of Citibank | 1,058,033 | 0.56% |