| 1 | VLTO | Veralto Corporation | 22.96B | -0.57% | 1,536,291 | 5.70B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.38B | 0.78% | 1,129,327 | 1.79B |
| 3 | CECO | CECO Environmental Corp. | 3.85B | 0.53% | 671,612 | 803.60M |
| 4 | PCT | PureCycle Technologies, Inc. | 1.26B | 0.31% | 2,993,464 | 10.90M |
| 5 | ADUR | Aduro Clean Technologies Inc. | 486.35M | 0.58% | 321,590 | 177.37K |
| 6 | ERII | Energy Recovery, Inc. | 445.87M | 2.61% | 1,452,120 | 136.63M |
| 7 | ARQ | Arq, Inc. | 84.56M | -4.37% | 181,474 | 122.14M |
| 8 | ZONE | CleanCore Solutions, Inc. | 79.90M | 3.51% | 7,443,566 | 3.41M |
| 9 | FTEK | Fuel Tech, Inc. | 43.94M | -2.08% | 101,075 | 26.38M |
| 10 | SCWO | 374Water Inc. | 38.14M | -2.68% | 15,984 | 223.09K |
| 11 | BCHT | Birchtech Corp. | 35.78M | -1.45% | 67,217 | 18.65M |
| 12 | CLIR | ClearSign Technologies Corporation | 20.89M | -1.03% | 1,207 | 5.02M |
| 13 | LIQT | LiqTech International, Inc. | 20.89M | 1.07% | 121,127 | 16.03M |
| 14 | TOMZ | TOMI Environmental Solutions, Inc. | 12.44M | - | 8,759 | 5.71M |
| 15 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 11.79M | -6.49% | 16,264 | 10.50K |
| 16 | CLWT | Euro Tech Holdings Company Limited | 11.04M | -3.25% | 26,247 | 13.27M |
