| 1 | WAT | Waters Corporation | 5.26% |
| 2 | A | Agilent Technologies, Inc. | 4.52% |
| 3 | IDXX | IDEXX Laboratories, Inc. | 4.36% |
| 4 | PNR | Pentair plc | 4.06% |
| 5 | FERG | Ferguson Enterprises Inc. | 4.03% |
| 6 | XYL | Xylem Inc. | 4.02% |
| 7 | ECL | Ecolab Inc. | 3.94% |
| 8 | VLTO | Veralto Corporation | 3.94% |
| 9 | IEX | IDEX Corporation | 3.94% |
| 10 | AWK | American Water Works Company, Inc. | 3.77% |
| 11 | MLI | Mueller Industries, Inc. | 3.76% |
| 12 | ROP | Roper Technologies, Inc. | 3.53% |
| 13 | TSX: STN | Stantec Inc. | 3.17% |
| 14 | WMS | Advanced Drainage Systems, Inc. | 3.16% |
| 15 | MAS | Masco Corporation | 3.16% |
| 16 | WTRG | Essential Utilities, Inc. | 3.02% |
| 17 | CNM | Core & Main, Inc. | 2.95% |
| 18 | TTEK | Tetra Tech, Inc. | 2.89% |
| 19 | ACM | AECOM | 2.81% |
| 20 | VMI | Valmont Industries, Inc. | 2.29% |
| 21 | TSX: AQN | Algonquin Power & Utilities Corp. | 2.22% |
| 22 | ZWS | Zurn Elkay Water Solutions Corporation | 2.15% |
| 23 | WTS | Watts Water Technologies, Inc. | 2.09% |
| 24 | FELE | Franklin Electric Co., Inc. | 2.05% |
| 25 | PRMB | Primo Brands Corporation | 2.03% |
| View FIW holdings |
