| 1 | VLTO | Veralto Corporation | 25.02B | -0.01% | 1,542,888 | 5.28B |
| 2 | FSS | Federal Signal Corporation | 6.46B | 1.89% | 613,661 | 1.90B |
| 3 | ZWS | Zurn Elkay Water Solutions Corporation | 6.15B | 0.16% | 797,716 | 1.58B |
| 4 | PCT | PureCycle Technologies, Inc. | 2.46B | - | 2,141,112 | 1.58M |
| 5 | CECO | CECO Environmental Corp. | 998.44M | -4.36% | 367,418 | 608.30M |
| 6 | ERII | Energy Recovery, Inc. | 696.23M | 1.23% | 653,756 | 140.92M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 297.90M | -6.57% | 557,238 | 179.33K |
| 8 | ARQ | Arq, Inc. | 226.67M | 1.70% | 266,446 | 114.47M |
| 9 | FTEK | Fuel Tech, Inc. | 77.56M | -4.91% | 635,606 | 26.56M |
| 10 | SCWO | 374Water Inc. | 46.92M | -5.67% | 1,211,978 | 673.27K |
| 11 | CLIR | ClearSign Technologies Corporation | 29.35M | 0.02% | 23,453 | 2.90M |
| 12 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 24.66M | -2.40% | 5,307 | - |
| 13 | ZONE | CleanCore Solutions, Inc. | 23.40M | -6.54% | 68,444 | 1.89M |
| 14 | TOMZ | TOMI Environmental Solutions, Inc. | 21.22M | 0.95% | 4,521 | 8.20M |
| 15 | LIQT | LiqTech International, Inc. | 15.86M | -3.53% | 271,210 | 14.99M |
| 16 | DEVS | DevvStream Corp. | 11.89M | -2.28% | 370,629 | 10.16K |
| 17 | CLWT | Euro Tech Holdings Company Limited | 8.53M | -2.61% | 3,801 | 15.38M |
| 18 | CHNR | China Natural Resources, Inc. | 4.77M | -4.68% | 9,135 | - |
