| 持股明細(資料日期：2024/12/31) |
| 持股名稱 | 比例 |
| Ecolab Inc | 8.03% |
| Pentair PLC | 7.88% |
| Roper Technologies Inc | 7.83% |
| Cia de Saneamento Basico do Estado de Sao Paulo SABESP | 5.23% |
| Veolia Environnement SA | 5.14% |
| Ebara Corp | 4.48% |
| Geberit AG | 4.02% |
| TOTO Ltd | 3.85% |
| Waters Corp | 3.75% |
| Veralto Corp | 3.74% |
| Xylem Inc/NY | 3.69% |
| American Water Works Co Inc | 3.46% |
| Ferguson Enterprises Inc | 3.45% |
| Core & Main Inc | 3.16% |
| IDEX Corp | 2.77% |
| Stantec Inc | 2.72% |
| Severn Trent PLC | 2.63% |
| United Utilities Group PLC | 2.44% |
| Halma PLC | 2.41% |
| Nomura Micro Science Co Ltd | 1.99% |
| Spirax Group PLC | 1.92% |
| A O Smith Corp | 1.82% |
| Organo Corp | 1.75% |
| Georg Fischer AG | 1.73% |
| Kurita Water Industries Ltd | 1.73% |
| Advanced Drainage Systems Inc | 1.57% |
| Belimo Holding AG | 1.52% |
| Arcadis NV | 1.40% |
| Miura Co Ltd | 1.07% |
| Coway Co Ltd | 0.92% |
| Aalberts NV | 0.67% |
| Genuit Group PLC | 0.43% |
| China Water Affairs Group Ltd | 0.30% |
| Consolidated Water Co Ltd | 0.28% |
| Aguas Andinas SA | 0.22% |
| METAWATER Co Ltd | 0.14% |
| Ebara Jitsugyo Co Ltd | 0.04% |
| Grupo Rotoplas SAB de CV | 0.02% |
| Cash/Receivables/Payables | 0.01% |