| 持股明細(資料日期：2025/05/30) |
| 持股名稱 | 比例 |
| Pentair PLC | 8.00% |
| Ecolab Inc | 7.51% |
| Roper Technologies Inc | 7.42% |
| Veolia Environnement SA | 5.73% |
| Geberit AG | 4.84% |
| Cia de Saneamento Basico do Estado de Sao Paulo SABESP | 4.81% |
| Nomura Micro Science Co Ltd | 4.43% |
| American Water Works Co Inc | 3.75% |
| Ebara Corp | 3.73% |
| Xylem Inc/NY | 3.64% |
| Waters Corp | 3.52% |
| Veralto Corp | 3.20% |
| TOTO Ltd | 3.20% |
| Halma PLC | 2.91% |
| United Utilities Group PLC | 2.69% |
| Belimo Holding AG | 2.60% |
| Severn Trent PLC | 2.58% |
| Core & Main Inc | 2.53% |
| Stantec Inc | 2.53% |
| IDEX Corp | 2.29% |
| Kurita Water Industries Ltd | 2.12% |
| Organo Corp | 1.95% |
| A O Smith Corp | 1.87% |
| Spirax Group PLC | 1.83% |
| Ferguson Enterprises Inc | 1.72% |
| Advanced Drainage Systems Inc | 1.71% |
| Georg Fischer AG | 1.49% |
| Coway Co Ltd | 1.14% |
| Arcadis NV | 0.96% |
| Miura Co Ltd | 0.89% |
| Aalberts NV | 0.61% |
| Genuit Group PLC | 0.46% |
| China Water Affairs Group Ltd | 0.34% |
| Aguas Andinas SA | 0.27% |
| Consolidated Water Co Ltd | 0.25% |
| Invesco Government & Agency Portfolio | 0.19% |
| METAWATER Co Ltd | 0.16% |
| Grupo Rotoplas SAB de CV | 0.05% |
| Ebara Jitsugyo Co Ltd | 0.04% |
| Cash/Receivables/Payables | 0.03% |