| 1 | VLTO | Veralto Corporation | 23.42B | -0.70% | 1,354,284 | 5.70B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.16B | -2.19% | 628,506 | 1.79B |
| 3 | CECO | CECO Environmental Corp. | 4.48B | -9.03% | 691,956 | 903.17M |
| 4 | PCT | PureCycle Technologies, Inc. | 1.38B | -4.71% | 2,956,751 | 13.76M |
| 5 | ADUR | Aduro Clean Technologies Inc. | 552.14M | -1.39% | 314,568 | 177.37K |
| 6 | ERII | Energy Recovery, Inc. | 402.23M | -3.19% | 1,003,800 | 120.57M |
| 7 | ARQ | Arq, Inc. | 96.94M | -3.90% | 147,200 | 123.44M |
| 8 | ZONE | CleanCore Solutions, Inc. | 80.38M | 2.69% | 8,309,605 | 3.41M |
| 9 | FTEK | Fuel Tech, Inc. | 44.02M | -2.08% | 96,055 | 27.30M |
| 10 | SCWO | 374Water Inc. | 43.74M | 1.63% | 59,038 | 1.89M |
| 11 | BCHT | Birchtech Corp. | 36.57M | 6.92% | 122,978 | 19.18M |
| 12 | CLIR | ClearSign Technologies Corporation | 31.79M | 2.41% | 13,807 | 5.45M |
| 13 | LIQT | LiqTech International, Inc. | 17.20M | -6.87% | 164,227 | 15.43M |
| 14 | TOMZ | TOMI Environmental Solutions, Inc. | 13.68M | -1.12% | 8,371 | 6.93M |
| 15 | CLWT | Euro Tech Holdings Company Limited | 12.23M | -0.60% | 9,510 | 13.27M |
| 16 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 6.97M | -3.37% | 95,484 | 10.50K |
