| 持股明細(資料日期：2024/05/31) |
| 持股名稱 | 比例 |
| Ecolab Inc | 7.99% |
| Danaher Corp | 7.85% |
| Roper Technologies Inc | 7.57% |
| Ferguson PLC | 7.53% |
| American Water Works Co Inc | 6.93% |
| Core & Main Inc | 4.67% |
| Veralto Corp | 4.41% |
| Xylem Inc/NY | 4.30% |
| Pentair PLC | 4.05% |
| A O Smith Corp | 3.81% |
| Advanced Drainage Systems Inc | 3.66% |
| Essential Utilities Inc | 3.55% |
| Waters Corp | 3.54% |
| AECOM | 3.46% |
| IDEX Corp | 3.42% |
| Toro Co/The | 3.31% |
| Tetra Tech Inc | 2.60% |
| Valmont Industries Inc | 2.39% |
| Mueller Industries Inc | 1.86% |
| Zurn Elkay Water Solutions Corp | 1.69% |
| Itron Inc | 1.66% |
| Badger Meter Inc | 1.65% |
| Watts Water Technologies Inc | 1.23% |
| Mueller Water Products Inc | 0.87% |
| Franklin Electric Co Inc | 0.84% |
| American States Water Co | 0.83% |
| California Water Service Group | 0.81% |
| Cia de Saneamento Basico do Estado de Sao Paulo SABESP ADR | 0.61% |
| Lindsay Corp | 0.55% |
| SJW Group | 0.53% |
| Middlesex Water Co | 0.51% |
| Stantec Inc | 0.47% |
| Energy Recovery Inc | 0.33% |
| Consolidated Water Co Ltd | 0.20% |
| York Water Co/The | 0.11% |
| Gorman-Rupp Co/The | 0.10% |
| Northwest Pipe Co | 0.08% |
| Artesian Resources Corp | 0.07% |
| Global Water Resources Inc | 0.02% |