| 持股明細(資料日期：2025/10/31) |
| 持股名稱 | 比例 |
| Agilent Technologies, Inc. | 4.76% |
| Waters Corporation | 4.74% |
| Ferguson Enterprises Inc. | 4.40% |
| Xylem Inc. | 4.36% |
| Pentair Plc | 4.04% |
| IDEXX Laboratories, Inc. | 3.98% |
| AECOM | 3.85% |
| Veralto Corporation | 3.80% |
| Ecolab Inc. | 3.79% |
| IDEX Corporation | 3.73% |
| American Water Works Company, Inc. | 3.66% |
| Stantec Inc. | 3.65% |
| Roper Technologies, Inc. | 3.47% |
| Mueller Industries, Inc. | 3.38% |
| Masco Corporation | 3.16% |
| Essential Utilities, Inc. | 3.03% |
| Advanced Drainage Systems, Inc. | 2.98% |
| Core & Main, Inc. (Class A) | 2.89% |
| Tetra Tech, Inc. | 2.69% |
| Primo Brands Corporation (Class A) | 2.68% |
| Valmont Industries, Inc. | 2.30% |
| Zurn Elkay Water Solutions Corp. | 2.12% |
| Badger Meter, Inc. | 2.02% |
| Watts Water Technologies, Inc. | 2.01% |
| Mueller Water Products, Inc. | 1.99% |
| Franklin Electric Co., Inc. | 1.98% |
| Algonquin Power & Utilities Corp. | 1.97% |
| A.O. Smith Corporation | 1.89% |
| Fortune Brands Innovations Inc. | 1.78% |
| Itron, Inc. | 1.67% |
| Cia. de Saneamento Basico do Estado de Sao Paulo - SABESP (ADR) | 1.38% |
| American States Water Company | 1.22% |
| California Water Service Group | 1.21% |
| H2O America | 1.17% |
| Hawkins, Inc. | 1.08% |
| Lindsay Corporation | 1.04% |
| US Dollar | 0.12% |