| 1 | VLTO | Veralto Corporation | 22.73B | 2.45% | 2,228,185 | 5.59B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.20B | 0.31% | 1,143,546 | 1.74B |
| 3 | CECO | CECO Environmental Corp. | 4.80B | -3.97% | 1,137,783 | 803.60M |
| 4 | PCT | PureCycle Technologies, Inc. | 1.51B | -4.99% | 3,625,989 | 10.90M |
| 5 | ADUR | Aduro Clean Technologies Inc. | 546.49M | 0.90% | 978,916 | 177.37K |
| 6 | ERII | Energy Recovery, Inc. | 455.66M | -0.67% | 647,692 | 136.63M |
| 7 | ZONE | CleanCore Solutions, Inc. | 162.06M | -10.33% | 1,305,704 | 3.41M |
| 8 | ARQ | Arq, Inc. | 97.44M | -2.98% | 256,119 | 122.14M |
| 9 | FTEK | Fuel Tech, Inc. | 58.28M | -10.10% | 749,003 | 26.38M |
| 10 | BCHT | Birchtech Corp. | 54.72M | -1.89% | 35,653 | 18.65M |
| 11 | SCWO | 374Water Inc. | 34.82M | -7.87% | 65,152 | 223.09K |
| 12 | LIQT | LiqTech International, Inc. | 22.90M | -3.19% | 191,368 | 16.03M |
| 13 | CLIR | ClearSign Technologies Corporation | 21.98M | -1.21% | 9,154 | 5.02M |
| 14 | TOMZ | TOMI Environmental Solutions, Inc. | 19.28M | -2.05% | 61,760 | 5.71M |
| 15 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 16.09M | -0.76% | 20,625 | 10.50K |
| 16 | CLWT | Euro Tech Holdings Company Limited | 12.60M | -6.59% | 75,246 | 13.27M |
