| 1 | FERG | Ferguson Enterprises Inc. | 7.87% |
| 2 | ROP | Roper Technologies, Inc. | 7.79% |
| 3 | ECL | Ecolab Inc. | 7.37% |
| 4 | WAT | Waters Corporation | 6.51% |
| 5 | XYL | Xylem Inc. | 6.37% |
| 6 | TTEK | Tetra Tech, Inc. | 4.73% |
| 7 | ACM | AECOM | 4.21% |
| 8 | CNM | Core & Main, Inc. | 4.18% |
| 9 | AOS | A. O. Smith Corporation | 4.16% |
| 10 | PNR | Pentair plc | 4.12% |
| 11 | WMS | Advanced Drainage Systems, Inc. | 3.97% |
| 12 | VLTO | Veralto Corporation | 3.96% |
| 13 | AWK | American Water Works Company, Inc. | 3.88% |
| 14 | IEX | IDEX Corporation | 3.86% |
| 15 | TTC | The Toro Company | 3.40% |
| 16 | MLI | Mueller Industries, Inc. | 3.24% |
| 17 | ITRI | Itron, Inc. | 2.86% |
| 18 | BMI | Badger Meter, Inc. | 2.45% |
| 19 | WTRG | Essential Utilities, Inc. | 2.41% |
| 20 | WTS | Watts Water Technologies, Inc. | 1.85% |
| 21 | ZWS | Zurn Elkay Water Solutions Corporation | 1.77% |
| 22 | VMI | Valmont Industries, Inc. | 1.76% |
| 23 | MWA | Mueller Water Products, Inc. | 1.44% |
| 24 | FELE | Franklin Electric Co., Inc. | 0.79% |
| 25 | CWT | California Water Service Group | 0.76% |
| View PHO holdings |