| 持股明細(資料日期：2025/10/31) |
| 持股名稱 | 比例 |
| Waters Corp | 9.43% |
| Ferguson Enterprises Inc | 8.78% |
| Ecolab Inc | 7.53% |
| Roper Technologies Inc | 6.90% |
| American Water Works Co Inc | 5.87% |
| Mueller Industries Inc | 4.49% |
| AECOM | 4.38% |
| Xylem Inc/NY | 4.34% |
| IDEX Corp | 4.24% |
| Pentair PLC | 4.04% |
| Advanced Drainage Systems Inc | 3.79% |
| A O Smith Corp | 3.79% |
| Veralto Corp | 3.78% |
| Core & Main Inc | 3.28% |
| Valmont Industries Inc | 3.00% |
| Essential Utilities Inc | 2.90% |
| Badger Meter Inc | 2.75% |
| Itron Inc | 2.47% |
| Tetra Tech Inc | 2.41% |
| Watts Water Technologies Inc | 2.04% |
| Zurn Elkay Water Solutions Corp | 1.55% |
| Mueller Water Products Inc | 1.22% |
| Hawkins Inc | 0.97% |
| Franklin Electric Co Inc | 0.96% |
| Cia de Saneamento Basico do Estado de Sao Paulo SABESP | 0.93% |
| Stantec Inc | 0.78% |
| American States Water Co | 0.64% |
| California Water Service Group | 0.58% |
| Lindsay Corp | 0.54% |
| H2O America | 0.44% |
| Middlesex Water Co | 0.32% |
| Energy Recovery Inc | 0.26% |
| Consolidated Water Co Ltd | 0.15% |
| York Water Co/The | 0.13% |
| NWPX Infrastructure Inc | 0.12% |
| Gorman-Rupp Co/The | 0.10% |
| Invesco Government & Agency Portfolio | 0.09% |