| 1 | VLTO | Veralto Corporation | 23.04B | -0.42% | 3,043,064 | 5.59B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.96B | -1.34% | 1,351,746 | 1.74B |
| 3 | CECO | CECO Environmental Corp. | 4.67B | -0.46% | 692,385 | 803.60M |
| 4 | PCT | PureCycle Technologies, Inc. | 1.20B | -0.90% | 4,508,761 | 10.90M |
| 5 | ADUR | Aduro Clean Technologies Inc. | 463.22M | 3.05% | 622,185 | 177.37K |
| 6 | ERII | Energy Recovery, Inc. | 444.32M | -0.92% | 741,259 | 136.63M |
| 7 | ZONE | CleanCore Solutions, Inc. | 133.54M | -1.68% | 2,009,714 | 3.41M |
| 8 | ARQ | Arq, Inc. | 88.43M | -5.50% | 202,614 | 122.14M |
| 9 | FTEK | Fuel Tech, Inc. | 47.68M | -1.29% | 77,099 | 26.38M |
| 10 | BCHT | Birchtech Corp. | 42.09M | -6.43% | 49,648 | 18.65M |
| 11 | SCWO | 374Water Inc. | 36.57M | -5.00% | 29,604 | 223.09K |
| 12 | LIQT | LiqTech International, Inc. | 20.63M | 1.15% | 89,838 | 16.03M |
| 13 | CLIR | ClearSign Technologies Corporation | 19.59M | -0.55% | 3,845 | 5.02M |
| 14 | TOMZ | TOMI Environmental Solutions, Inc. | 16.14M | 0.92% | 380,689 | 5.71M |
| 15 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 12.69M | -3.73% | 7,836 | 10.50K |
| 16 | CLWT | Euro Tech Holdings Company Limited | 12.08M | 7.24% | 31,151 | 13.27M |
