| 1 | VLTO | Veralto Corporation | 24.74B | 0.70% | 1,442,147 | 5.45B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.85B | -0.34% | 685,384 | 1.66B |
| 3 | FSS | Federal Signal Corporation | 6.91B | -1.47% | 630,190 | 2.06B |
| 4 | CECO | CECO Environmental Corp. | 1.91B | 3.13% | 596,088 | 718.25M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.82B | -7.16% | 7,419,587 | 3.23M |
| 6 | ERII | Energy Recovery, Inc. | 872.99M | -2.38% | 339,576 | 141.78M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 435.72M | 0.14% | 133,826 | 160.66K |
| 8 | ARQ | Arq, Inc. | 273.65M | -2.88% | 134,169 | 117.65M |
| 9 | ZONE | CleanCore Solutions, Inc. | 199.93M | 5.88% | 5,199,586 | 2.07M |
| 10 | FTEK | Fuel Tech, Inc. | 78.31M | -4.55% | 315,947 | 24.71M |
| 11 | SCWO | 374Water Inc. | 58.48M | -4.40% | 1,480,260 | 1.23M |
| 12 | CLIR | ClearSign Technologies Corporation | 45.34M | 1.17% | 142,465 | 2.98M |
| 13 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 38.69M | -4.49% | 1,078 | - |
| 14 | LIQT | LiqTech International, Inc. | 22.11M | -3.77% | 193 | 15.46M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 18.07M | -1.51% | 14,525 | 6.22M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 8.99M | -0.84% | 7,002 | 15.38M |
| 17 | DEVS | DevvStream Corp. | 6.68M | -2.79% | 27,044 | 10.16K |
| 18 | CHNR | China Natural Resources, Inc. | 5.69M | -6.68% | 16,581 | - |
