| 持股明細(資料日期：2026/03/31) |
| 持股名稱 | 比例 |
| 台光電 | 6.07% |
| 致茂 | 4.71% |
| LUMENTUM HOLDINGS INC.lite us | 4.20% |
| 京元電子 | 4.06% |
| MEIKO ELECTRONICS CO LTD | 4.02% |
| ANHUI YINGLIU ELECTROMECHA-A | 3.87% |
| SUZHOU TFC OPTICAL COMMUNI-A | 3.44% |
| 南電 | 3.39% |
| 金像電 | 3.30% |
| PIOTECH INC-A | 3.15% |
| 均華 | 3.13% |
| 健策 | 2.76% |
| TERADYNE INC | 2.61% |
| Zijin Mining Group Co Ltd | 2.58% |
| CORNING INC | 2.48% |
| HUA HONG SEMICONDUCTOR LTD | 2.38% |
| 穎崴 | 2.23% |
| 嘉澤 | 2.13% |
| 奇鋐 | 2.07% |
| MEC CO LTD | 2.03% |
| GRACE FABRIC TECHNOLOGY CO-A | 2.02% |
| FORMFACTOR INC | 2.01% |
| SANDISK CORP | 1.79% |
| WUS PRINTED CIRCUIT KUNSHA-A | 1.73% |
| MITSUBISHI HEAVY INDUSTRIES | 1.67% |
| HUBEI FEILIHUA QUARTZ GLAS-A | 1.63% |
| 牧德 | 1.58% |
| 強茂 | 1.48% |
| MITSUI MINING & SMELTING CO | 1.46% |
| samsung electronics co ltd(005930 KS) | 1.41% |
| NEC CORP | 1.40% |
| ZHONGJI INNOLIGHT CO LTD-A | 1.37% |
| BLOOM ENERGY CORP- A | 1.35% |
| 順達 | 1.25% |
| 旺矽 | 1.12% |
| RIGAKU HOLDINGS CORP | 1.02% |