| 1 | VLTO | Veralto Corporation | 26.73B | 0.15% | 522,985 | 5.36B |
| 2 | FSS | Federal Signal Corporation | 7.62B | -0.60% | 338,350 | 1.97B |
| 3 | ZWS | Zurn Elkay Water Solutions Corporation | 7.40B | -0.88% | 720,771 | 1.61B |
| 4 | PCT | PureCycle Technologies, Inc. | 2.22B | - | 7,451,942 | 3.23M |
| 5 | CECO | CECO Environmental Corp. | 1.55B | -0.20% | 415,785 | 656.17M |
| 6 | ERII | Energy Recovery, Inc. | 754.89M | -3.14% | 450,260 | 141.78M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 351.10M | -2.65% | 216,447 | 179.33K |
| 8 | ARQ | Arq, Inc. | 279.44M | 6.95% | 259,669 | 114.47M |
| 9 | FTEK | Fuel Tech, Inc. | 93.22M | -1.64% | 750,048 | 25.07M |
| 10 | ZONE | CleanCore Solutions, Inc. | 37.84M | 2.61% | 6,077 | 1.89M |
| 11 | SCWO | 374Water Inc. | 36.07M | -2.24% | 618,124 | 673.27K |
| 12 | CLIR | ClearSign Technologies Corporation | 29.36M | -0.16% | 98,624 | 2.90M |
| 13 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 24.96M | -2.93% | 3,960 | - |
| 14 | TOMZ | TOMI Environmental Solutions, Inc. | 20.42M | -1.46% | 8,388 | 8.20M |
| 15 | LIQT | LiqTech International, Inc. | 18.56M | -6.31% | 14,576 | 14.99M |
| 16 | DEVS | DevvStream Corp. | 10.02M | - | 225,142 | 10.16K |
| 17 | CLWT | Euro Tech Holdings Company Limited | 9.37M | 0.82% | 7,631 | 15.38M |
| 18 | CHNR | China Natural Resources, Inc. | 4.08M | -2.36% | 7,088 | - |
