| 持股明細(資料日期：2024/12/31) |
| 持股名稱 | 比例 |
| Ecolab Inc | 8.18% |
| Roper Technologies Inc | 7.97% |
| Ferguson Enterprises Inc | 6.98% |
| Veralto Corp | 6.51% |
| Xylem Inc/NY | 6.44% |
| Core & Main Inc | 4.55% |
| Mueller Industries Inc | 4.27% |
| Waters Corp | 4.19% |
| Tetra Tech Inc | 4.14% |
| Pentair PLC | 4.01% |
| AECOM | 3.96% |
| American Water Works Co Inc | 3.95% |
| IDEX Corp | 3.94% |
| A O Smith Corp | 3.91% |
| Advanced Drainage Systems Inc | 3.36% |
| Toro Co/The | 3.35% |
| Zurn Elkay Water Solutions Corp | 2.79% |
| Essential Utilities Inc | 2.68% |
| Itron Inc | 2.65% |
| Badger Meter Inc | 2.00% |
| Valmont Industries Inc | 1.64% |
| Watts Water Technologies Inc | 1.38% |
| Mueller Water Products Inc | 1.31% |
| Franklin Electric Co Inc | 0.87% |
| American States Water Co | 0.85% |
| Cia de Saneamento Basico do Estado de Sao Paulo SABESP ADR | 0.78% |
| California Water Service Group | 0.67% |
| Stantec Inc | 0.58% |
| SJW Group | 0.52% |
| Energy Recovery Inc | 0.38% |
| Lindsay Corp | 0.38% |
| Middlesex Water Co | 0.24% |
| Invesco Government & Agency Portfolio | 0.12% |
| Gorman-Rupp Co/The | 0.12% |
| Consolidated Water Co Ltd | 0.12% |
| Northwest Pipe Co | 0.09% |
| York Water Co/The | 0.07% |
| Artesian Resources Corp | 0.05% |
| Global Water Resources Inc | 0.01% |