| Company | Price | | Change | 1st Jan Change | Capi. (M$) | Poids |
 | AMERICAN WATER WORKS CO.. | 146.41 |  | 0.27% | -22.48% | 26 610 | 10.4% |
 | XYLEM INC. | 83.01 |  | -1.23% | -29.92% | 15 135 | 6.75% |
 | VEOLIA ENVIRONNEMENT | 26.06 |  | -0.65% | -18.69% | 18 987 | 5.77% |
 | ESSENTIAL UTILITIES, IN.. | 45.765 |  | -0.01% | -15.35% | 11 613 | 5.39% |
 | SEVERN TRENT PLC | 3133.5 |  | 0.30% | 6.01% | 9 750 | 5.23% |
 | UNITED UTILITIES GROUP .. | 1136.75 |  | 0.29% | 4.09% | 9 638 | 5.14% |
 | HALMA PLC | 2114 |  | -3.56% | -31.50% | 10 353 | 4.83% |
 | GEBERIT AG | 525.9 |  | -0.66% | -28.96% | 18 751 | 4.63% |
 | TETRA TECH, INC. | 127.79 |  | 0.31% | -26.78% | 6 839 | 4.02% |
 | PENTAIR PLC | 49.55 |  | -2.02% | -30.75% | 8 364 | 3.87% |