| 1 | WAT | Waters Corporation | 5.22% |
| 2 | A | Agilent Technologies, Inc. | 4.51% |
| 3 | IDXX | IDEXX Laboratories, Inc. | 4.36% |
| 4 | FERG | Ferguson Enterprises Inc. | 4.05% |
| 5 | XYL | Xylem Inc. | 4.01% |
| 6 | PNR | Pentair plc | 4.01% |
| 7 | VLTO | Veralto Corporation | 3.95% |
| 8 | ECL | Ecolab Inc. | 3.93% |
| 9 | IEX | IDEX Corporation | 3.93% |
| 10 | MLI | Mueller Industries, Inc. | 3.79% |
| 11 | AWK | American Water Works Company, Inc. | 3.75% |
| 12 | ROP | Roper Technologies, Inc. | 3.51% |
| 13 | WMS | Advanced Drainage Systems, Inc. | 3.19% |
| 14 | MAS | Masco Corporation | 3.16% |
| 15 | TSX: STN | Stantec Inc. | 3.16% |
| 16 | CNM | Core & Main, Inc. | 3.00% |
| 17 | WTRG | Essential Utilities, Inc. | 3.00% |
| 18 | TTEK | Tetra Tech, Inc. | 2.88% |
| 19 | ACM | AECOM | 2.80% |
| 20 | VMI | Valmont Industries, Inc. | 2.33% |
| 21 | TSX: AQN | Algonquin Power & Utilities Corp. | 2.20% |
| 22 | ZWS | Zurn Elkay Water Solutions Corporation | 2.16% |
| 23 | WTS | Watts Water Technologies, Inc. | 2.10% |
| 24 | FELE | Franklin Electric Co., Inc. | 2.08% |
| 25 | BMI | Badger Meter, Inc. | 2.04% |
| View FIW holdings |
