| 持股明細(資料日期：2025/08/29) |
| 持股名稱 | 比例 |
| IDEXX Laboratories, Inc. | 5.41% |
| Ferguson Enterprises Inc. | 4.76% |
| AECOM | 4.00% |
| Xylem Inc. | 3.96% |
| Veralto Corporation | 3.89% |
| American Water Works Company, Inc. | 3.86% |
| Ecolab Inc. | 3.77% |
| Pentair Plc | 3.65% |
| Agilent Technologies, Inc. | 3.59% |
| Masco Corporation | 3.57% |
| Advanced Drainage Systems, Inc. | 3.55% |
| Stantec Inc. | 3.50% |
| Core & Main, Inc. (Class A) | 3.48% |
| Essential Utilities, Inc. | 3.33% |
| Roper Technologies, Inc. | 3.29% |
| Mueller Industries, Inc. | 3.28% |
| Waters Corporation | 2.93% |
| IDEX Corporation | 2.71% |
| Fortune Brands Innovations Inc. | 2.48% |
| Primo Brands Corporation (Class A) | 2.39% |
| Watts Water Technologies, Inc. | 2.36% |
| Zurn Elkay Water Solutions Corp. | 2.34% |
| Tetra Tech, Inc. | 2.28% |
| Algonquin Power & Utilities Corp. | 2.22% |
| Itron, Inc. | 2.06% |
| A.O. Smith Corporation | 1.96% |
| Valmont Industries, Inc. | 1.93% |
| Mueller Water Products, Inc. | 1.87% |
| Hawkins, Inc. | 1.82% |
| Franklin Electric Co., Inc. | 1.75% |
| Cia. de Saneamento Basico do Estado de Sao Paulo - SABESP (ADR) | 1.61% |
| Badger Meter, Inc. | 1.59% |
| Lindsay Corporation | 1.19% |
| California Water Service Group | 1.18% |
| American States Water Company | 1.11% |
| H2O America | 1.09% |
| US Dollar | 0.23% |