| 1 | IDXX | IDEXX Laboratories, Inc. | 4.60% |
| 2 | AWK | American Water Works Company, Inc. | 4.07% |
| 3 | FERG | Ferguson Enterprises Inc. | 4.04% |
| 4 | VLTO | Veralto Corporation | 3.95% |
| 5 | ROP | Roper Technologies, Inc. | 3.87% |
| 6 | XYL | Xylem Inc. | 3.79% |
| 7 | ECL | Ecolab Inc. | 3.74% |
| 8 | ACM | AECOM | 3.71% |
| 9 | WAT | Waters Corporation | 3.70% |
| 10 | PNR | Pentair plc | 3.64% |
| 11 | MAS | Masco Corporation | 3.49% |
| 12 | WTRG | Essential Utilities, Inc. | 3.47% |
| 13 | TSX: STN | Stantec Inc. | 3.46% |
| 14 | A | Agilent Technologies, Inc. | 3.45% |
| 15 | IEX | IDEX Corporation | 3.33% |
| 16 | PRMB | Primo Brands Corporation | 3.26% |
| 17 | WMS | Advanced Drainage Systems, Inc. | 3.18% |
| 18 | CNM | Core & Main, Inc. | 3.09% |
| 19 | MLI | Mueller Industries, Inc. | 2.88% |
| 20 | FBIN | Fortune Brands Innovations, Inc. | 2.50% |
| 21 | TTEK | Tetra Tech, Inc. | 2.35% |
| 22 | TSX: AQN | Algonquin Power & Utilities Corp. | 2.27% |
| 23 | BMI | Badger Meter, Inc. | 2.26% |
| 24 | WTS | Watts Water Technologies, Inc. | 2.21% |
| 25 | AOS | A. O. Smith Corporation | 2.06% |
| View FIW holdings |