| 1 | VLTO | Veralto Corporation | 25.97B | 0.13% | 1,135,067 | 5.36B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.84B | 1.41% | 897,715 | 1.61B |
| 3 | FSS | Federal Signal Corporation | 7.43B | -0.46% | 337,545 | 1.97B |
| 4 | PCT | PureCycle Technologies, Inc. | 2.33B | -1.45% | 1,554,152 | 3.23M |
| 5 | CECO | CECO Environmental Corp. | 1.74B | -0.89% | 574,234 | 656.17M |
| 6 | ERII | Energy Recovery, Inc. | 815.00M | 0.52% | 488,990 | 141.78M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 390.19M | 0.48% | 120,407 | 168.08K |
| 8 | ARQ | Arq, Inc. | 305.67M | -3.24% | 268,448 | 117.65M |
| 9 | FTEK | Fuel Tech, Inc. | 94.16M | -1.86% | 149,027 | 25.07M |
| 10 | SCWO | 374Water Inc. | 46.58M | 0.78% | 357,495 | 1.23M |
| 11 | CLIR | ClearSign Technologies Corporation | 42.26M | 10.24% | 468,699 | 2.98M |
| 12 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 39.91M | 4.57% | 16,713 | - |
| 13 | ZONE | CleanCore Solutions, Inc. | 32.44M | -4.25% | 1,429,855 | 2.07M |
| 14 | LIQT | LiqTech International, Inc. | 24.80M | -0.20% | 3,283 | 15.46M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 20.68M | -1.90% | 14,110 | 6.22M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 10.58M | 2.09% | 3,538 | 15.38M |
| 17 | DEVS | DevvStream Corp. | 8.54M | -0.41% | 15,805 | 10.16K |
| 18 | CHNR | China Natural Resources, Inc. | 6.04M | - | 158,116 | - |