| A | Agilent Technologies, Inc. | -- | -- | 470.22K | 4.70% | $81.25M |
| WAT | Waters Corporation | -- | -- | 174.15K | 4.36% | $75.50M |
| FERG | Ferguson Enterprises Inc. | -- | -- | 321.62K | 4.14% | $71.64M |
| ECL | Ecolab Inc. | -- | -- | 254.97K | 4.12% | $71.26M |
| VLTO | Veralto Corporation | -- | -- | 732.54K | 4.11% | $71.16M |
| AWK | American Water Works Company, Inc. | -- | -- | 522.36K | 3.95% | $68.38M |
| IDXX | IDEXX Laboratories, Inc. | -- | -- | 129.71K | 3.89% | $67.35M |
| XYL | Xylem Inc. | -- | -- | 655.76K | 3.89% | $67.30M |
| J | Jacobs Solutions Inc. | -- | -- | 484.44K | 3.87% | $67.03M |
| IEX | IDEX Corporation | -- | -- | 276.33K | 3.67% | $63.58M |
| WMS | Advanced Drainage Systems, Inc. | -- | -- | 465.49K | 3.58% | $61.97M |
| MLI | Mueller Industries, Inc. | -- | -- | 1.01M | 3.54% | $61.27M |
| ROP | Roper Technologies, Inc. | -- | -- | 170.04K | 3.52% | $60.97M |
| MAS | Masco Corporation | -- | -- | 875.56K | 3.48% | $60.28M |
| BSY | Bentley Systems, Inc. (Class B) | -- | -- | 1.72M | 3.12% | $54.05M |
| VMI | Valmont Industries, Inc. | -- | -- | 115.31K | 3.11% | $53.83M |
| WTS | Watts Water Technologies, Inc. | -- | -- | 148.07K | 3.06% | $52.98M |
| TTEK | Tetra Tech, Inc. | -- | -- | 1.50M | 2.94% | $50.81M |
| ACM | AECOM | -- | -- | 803.13K | 2.83% | $48.90M |
| PNR | Pentair Plc | -- | -- | 895.71K | 2.78% | $48.06M |
| CNM | Core & Main, Inc. (Class A) | -- | -- | 840.39K | 2.07% | $35.83M |
| AOS | A.O. Smith Corporation | -- | -- | 610.57K | 2.07% | $35.81M |
| ZWS | Zurn Elkay Water Solutions Corp. | -- | -- | 755.30K | 2.04% | $35.23M |
| FELE | Franklin Electric Co., Inc. | -- | -- | 360.71K | 2.02% | $35.01M |
| BMI | Badger Meter, Inc. | -- | -- | 266.50K | 1.99% | $34.51M |
| STN | Stantec Inc. | -- | -- | 494.56K | 1.97% | $34.13M |
| ITRI | Itron, Inc. | -- | -- | 372.16K | 1.93% | $33.40M |
| FBIN | Fortune Brands Innovations Inc. | -- | -- | 814.42K | 1.85% | $32.07M |
| AQN | Algonquin Power & Utilities Corp. | -- | -- | 6.38M | 1.84% | $31.89M |
| PRMB | Primo Brands Corporation (Class A) | -- | -- | 1.58M | 1.78% | $30.85M |
| HWKN | Hawkins, Inc. | -- | -- | 187.62K | 1.40% | $24.21M |
| SBS | Cia. de Saneamento Basico do Estado de Sao Paulo - SABESP (ADR) | -- | -- | 4.64M | 1.39% | $24.05M |
| HTO | H2O America | -- | -- | 356.08K | 1.28% | $22.17M |
| AWR | American States Water Company | -- | -- | 252.71K | 1.21% | $20.92M |
| CWT | California Water Service Group | -- | -- | 451.56K | 1.21% | $20.85M |
| MWA | Mueller Water Products, Inc. | -- | -- | 934.74K | 1.17% | $20.22M |
| -- | US Dollar | -- | -- | 1.48M | 0.09% | $1.48M |