| 1 | FERG | Ferguson Enterprises Inc. | 9.40% |
| 2 | ECL | Ecolab Inc. | 7.84% |
| 3 | ROP | Roper Technologies, Inc. | 7.77% |
| 4 | AWK | American Water Works Company, Inc. | 7.65% |
| 5 | XYL | Xylem Inc. | 7.49% |
| 6 | CNM | Core & Main, Inc. | 4.20% |
| 7 | PNR | Pentair plc | 3.98% |
| 8 | AOS | A. O. Smith Corporation | 3.95% |
| 9 | ACM | AECOM | 3.95% |
| 10 | WAT | Waters Corporation | 3.91% |
| 11 | VLTO | Veralto Corporation | 3.87% |
| 12 | IEX | IDEX Corporation | 3.77% |
| 13 | WMS | Advanced Drainage Systems, Inc. | 3.30% |
| 14 | TTEK | Tetra Tech, Inc. | 3.14% |
| 15 | MLI | Mueller Industries, Inc. | 2.83% |
| 16 | ITRI | Itron, Inc. | 2.80% |
| 17 | WTRG | Essential Utilities, Inc. | 2.67% |
| 18 | MWA | Mueller Water Products, Inc. | 2.44% |
| 19 | BMI | Badger Meter, Inc. | 2.36% |
| 20 | VMI | Valmont Industries, Inc. | 2.06% |
| 21 | WTS | Watts Water Technologies, Inc. | 1.91% |
| 22 | ZWS | Zurn Elkay Water Solutions Corporation | 1.42% |
| 23 | FELE | Franklin Electric Co., Inc. | 1.14% |
| 24 | SAJA.DE | Companhia De Saneamento Basico Do Estado De Sao Paulo ADR | 0.92% |
| 25 | AWR | American States Water Company | 0.76% |
| View PHO holdings |