| 1 | VLTO | Veralto Corporation | 26.35B | -0.29% | 716,497 | 5.36B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.60B | -1.15% | 719,297 | 1.61B |
| 3 | FSS | Federal Signal Corporation | 7.48B | -3.13% | 408,992 | 1.97B |
| 4 | PCT | PureCycle Technologies, Inc. | 2.57B | -2.32% | 2,247,841 | 3.23M |
| 5 | CECO | CECO Environmental Corp. | 1.61B | -2.36% | 709,233 | 656.17M |
| 6 | ERII | Energy Recovery, Inc. | 755.95M | -1.39% | 204,925 | 141.78M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 355.20M | -1.37% | 168,545 | 168.08K |
| 8 | ARQ | Arq, Inc. | 329.58M | 1.05% | 291,093 | 117.65M |
| 9 | ZONE | CleanCore Solutions, Inc. | 107.33M | 6.19% | 222,745 | 2.07M |
| 10 | FTEK | Fuel Tech, Inc. | 90.74M | -2.67% | 183,480 | 25.07M |
| 11 | SCWO | 374Water Inc. | 53.93M | -3.49% | 2,151,142 | 1.23M |
| 12 | CLIR | ClearSign Technologies Corporation | 30.63M | -1.50% | 16,584 | 2.98M |
| 13 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 27.77M | -4.94% | 3,003 | - |
| 14 | LIQT | LiqTech International, Inc. | 18.85M | 1.33% | 2,072 | 15.46M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 16.54M | -1.35% | 13,980 | 6.22M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 9.75M | -4.41% | 26,271 | 15.38M |
| 17 | CHNR | China Natural Resources, Inc. | 4.64M | -4.45% | 610 | - |
