| Empresa | Precio | | Varia. | Varia. 1 de enero. | Capi. (M$) | Poids |
 | AMERICAN WATER WORKS CO.. | 156.2 |  | 0.44% | 2.03% | 28 276 | 10.07% |
 | XYLEM INC. | 101.33 |  | -1.18% | -7.26% | 18 483 | 8.38% |
 | ESSENTIAL UTILITIES, IN.. | 46.93 |  | 0.02% | -1.70% | 12 307 | 5.29% |
 | FERGUSON PLC | 139.64 |  | 1.14% | 8.74% | 28 460 | 5.15% |
 | GEBERIT AG | 510 |  | 0.91% | 16.05% | 18 966 | 4.5% |
 | HALMA PLC | 2147.5 |  | 2.60% | 6.03% | 9 767 | 4.35% |
 | TETRA TECH, INC. | 153.8 |  | 0.05% | 5.12% | 8 182 | 4.09% |
 | UNITED UTILITIES GROUP .. | 1066.5 |  | -1.07% | 8.74% | 9 081 | 3.97% |
 | VEOLIA ENVIRONNEMENT | 27.71 |  | 0.43% | 14.96% | 21 095 | 3.91% |
 | SEVERN TRENT PLC | 2833.5 |  | 0.02% | 6.87% | 8 804 | 3.9% |