| 持股明細(資料日期：2026/03/31) |
| 持股名稱 | 比例 |
| LUMENTUM HOLDINGS INC.lite us | 7.95% |
| 欣興 | 4.51% |
| 台光電 | 3.93% |
| MEIKO ELECTRONICS CO LTD | 3.82% |
| Micron Technology Inc | 3.82% |
| GUANGDONG DTECH TECHNOLOGY-A | 3.69% |
| 奇鋐 | 3.43% |
| Wasion Group Holdings Ltd. | 3.38% |
| ANHUI YINGLIU ELECTROMECHA-A | 3.10% |
| 台達電 | 3.01% |
| 穎崴 | 2.95% |
| 台積電 | 2.66% |
| ZHONGJI INNOLIGHT CO LTD-A | 2.64% |
| 南電 | 2.49% |
| YANTAI JEREH OILFIELD-A | 2.48% |
| YUANJIE SEMICONDUCTOR TECH-A | 2.41% |
| 旺矽 | 2.33% |
| ROBOTECHNIK INTELLIGENT TE-A | 2.08% |
| FURUKAWA ELECTRIC CO LTD | 2.04% |
| MITSUI MINING & SMELTING CO | 1.99% |
| 華通 | 1.96% |
| 致茂 | 1.73% |
| samsung electronics co ltd(005930 KS) | 1.64% |
| 信驊 | 1.64% |
| 鴻勁 | 1.61% |
| KIOXIA HOLDINGS CORP | 1.58% |
| 金像電 | 1.52% |
| PIOTECH INC-A | 1.52% |
| SHENZHEN ENVICOOL TECHNOLO-A | 1.52% |
| HUA HONG SEMICONDUCTOR LTD | 1.49% |
| L&K ENGINEERING SUZHOU CO-A | 1.38% |
| SUZHOU TFC OPTICAL COMMUNI-A | 1.32% |
| SK HYNIX INC | 1.19% |
| 萬潤 | 1.13% |
| COHERENT INC | 1.08% |
| MINIMAX GROUP INC | 1.07% |