| 持股明細(資料日期：2024/11/29) |
| 持股名稱 | 比例 |
| IDEX Corporation | 4.35% |
| Waters Corporation | 4.32% |
| Pentair Plc | 4.19% |
| Ferguson Enterprises Inc. | 4.09% |
| AECOM | 3.98% |
| Roper Technologies, Inc. | 3.98% |
| Ecolab Inc. | 3.83% |
| Agilent Technologies, Inc. | 3.76% |
| Veralto Corporation | 3.75% |
| American Water Works Company, Inc. | 3.73% |
| Xylem Inc. | 3.59% |
| Essential Utilities, Inc. | 3.50% |
| IDEXX Laboratories, Inc. | 3.41% |
| Mueller Industries, Inc. | 3.24% |
| Stantec Inc. | 3.10% |
| Badger Meter, Inc. | 3.06% |
| Tetra Tech, Inc. | 2.97% |
| Core & Main, Inc. (Class A) | 2.95% |
| Advanced Drainage Systems, Inc. | 2.94% |
| A.O. Smith Corporation | 2.60% |
| Primo Brands Corporation (Class A) | 2.56% |
| Zurn Elkay Water Solutions Corp. | 2.39% |
| Valmont Industries, Inc. | 2.37% |
| Mueller Water Products, Inc. | 2.27% |
| Itron, Inc. | 2.26% |
| Watts Water Technologies, Inc. | 2.14% |
| American States Water Company | 2.04% |
| Franklin Electric Co., Inc. | 2.03% |
| California Water Service Group | 1.80% |
| Algonquin Power & Utilities Corp. | 1.78% |
| Lindsay Corporation | 1.30% |
| Hawkins, Inc. | 1.29% |
| Middlesex Water Company | 1.26% |
| SJW Group | 1.15% |
| Cia. de Saneamento Basico do Estado de Sao Paulo - SABESP (ADR) | 1.11% |
| Montrose Environmental Group, Inc. | 0.70% |
| US Dollar | 0.24% |