| 1 | VLTO | Veralto Corporation | 25.46B | -1.07% | 1,020,031 | 5.14B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 6.48B | 0.95% | 2,868,309 | 1.55B |
| 3 | FSS | Federal Signal Corporation | 5.94B | -0.65% | 440,721 | 1.84B |
| 4 | ATMU | Atmus Filtration Technologies Inc. | 3.51B | 1.03% | 452,334 | 1.66B |
| 5 | PCT | PureCycle Technologies, Inc. | 1.66B | 1.81% | 1,685,944 | - |
| 6 | CECO | CECO Environmental Corp. | 1.04B | -7.93% | 1,747,014 | 553.08M |
| 7 | ERII | Energy Recovery, Inc. | 855.09M | 2.93% | 356,878 | 135.06M |
| 8 | ARQ | Arq, Inc. | 281.19M | 2.61% | 234,435 | 110.02M |
| 9 | ADUR | Aduro Clean Technologies Inc. | 179.41M | - | 35,531 | 213.43K |
| 10 | SCWO | 374Water Inc. | 84.34M | -3.67% | 320,728 | 313.93K |
| 11 | CLIR | ClearSign Technologies Corporation | 75.85M | 17.05% | 314,760 | 4.28M |
| 12 | FTEK | Fuel Tech, Inc. | 31.94M | 2.97% | 380,969 | 26.20M |
| 13 | TOMZ | TOMI Environmental Solutions, Inc. | 22.58M | 3.48% | 9,231 | 8.20M |
| 14 | DEVS | DevvStream Corp. | 18.11M | 2.28% | 350,822 | - |
| 15 | LIQT | LiqTech International, Inc. | 17.10M | - | 6,233 | 15.13M |
| 16 | ZONE | CleanCore Solutions, Inc. | 10.22M | -0.80% | 10,905 | 1.64M |
| 17 | CLWT | Euro Tech Holdings Company Limited | 10.19M | -1.49% | 4,826 | 17.24M |
| 18 | CHNR | China Natural Resources, Inc. | 6.12M | 8.20% | 92,755 | - |