| 1 | IEX | IDEX Corporation | 4.45% |
| 2 | ECL | Ecolab Inc. | 4.31% |
| 3 | WAT | Waters Corporation | 4.24% |
| 4 | FERG | Ferguson Enterprises Inc. | 4.21% |
| 5 | AWK | American Water Works Company, Inc. | 4.05% |
| 6 | IDXX | IDEXX Laboratories, Inc. | 3.97% |
| 7 | A | Agilent Technologies, Inc. | 3.87% |
| 8 | MLI | Mueller Industries, Inc. | 3.79% |
| 9 | VLTO | Veralto Corporation | 3.75% |
| 10 | XYL | Xylem Inc. | 3.68% |
| 11 | PNR | Pentair plc | 3.62% |
| 12 | WTRG | Essential Utilities, Inc. | 3.24% |
| 13 | WMS | Advanced Drainage Systems, Inc. | 3.22% |
| 14 | MAS | Masco Corporation | 3.21% |
| 15 | TSX: STN | Stantec Inc. | 3.08% |
| 16 | TTEK | Tetra Tech, Inc. | 3.03% |
| 17 | ROP | Roper Technologies, Inc. | 2.95% |
| 18 | CNM | Core & Main, Inc. | 2.85% |
| 19 | ACM | AECOM | 2.78% |
| 20 | PRMB | Primo Brands Corporation | 2.78% |
| 21 | VMI | Valmont Industries, Inc. | 2.44% |
| 22 | WTS | Watts Water Technologies, Inc. | 2.34% |
| 23 | MWA | Mueller Water Products, Inc. | 2.24% |
| 24 | TSX: AQN | Algonquin Power & Utilities Corp. | 2.21% |
| 25 | ZWS | Zurn Elkay Water Solutions Corporation | 2.21% |
| View FIW holdings |
