| 1 | VLTO | Veralto Corporation | 23.91B | -0.32% | 257,021 | 5.70B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.96B | -1.09% | 118,664 | 1.79B |
| 3 | CECO | CECO Environmental Corp. | 4.11B | -2.69% | 101,865 | 903.17M |
| 4 | PCT | PureCycle Technologies, Inc. | 1.32B | -1.05% | 581,591 | 13.76M |
| 5 | ADUR | Aduro Clean Technologies Inc. | 536.66M | -2.72% | 179,688 | 177.37K |
| 6 | ERII | Energy Recovery, Inc. | 400.19M | -0.76% | 229,512 | 120.57M |
| 7 | ARQ | Arq, Inc. | 94.76M | -1.36% | 55,769 | 123.44M |
| 8 | ZONE | CleanCore Solutions, Inc. | 75.97M | 3.28% | 2,303,691 | 3.41M |
| 9 | SCWO | 374Water Inc. | 47.66M | 0.37% | 8,366 | 1.89M |
| 10 | FTEK | Fuel Tech, Inc. | 46.20M | 1.37% | 53,527 | 27.30M |
| 11 | BCHT | Birchtech Corp. | 32.09M | -1.61% | 46,556 | 19.18M |
| 12 | CLIR | ClearSign Technologies Corporation | 30.63M | -0.66% | 864 | 5.45M |
| 13 | LIQT | LiqTech International, Inc. | 18.32M | -0.73% | 16,938 | 15.43M |
| 14 | TOMZ | TOMI Environmental Solutions, Inc. | 14.01M | -2.82% | 5,122 | 6.93M |
| 15 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 11.94M | 0.99% | 34,211 | 10.50K |
| 16 | CLWT | Euro Tech Holdings Company Limited | 11.93M | -3.30% | 668 | 13.27M |
