| 1 | VLTO | Veralto Corporation | 24.51B | -0.02% | 1,276,066 | 5.45B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.89B | -0.95% | 758,371 | 1.66B |
| 3 | FSS | Federal Signal Corporation | 6.74B | -1.26% | 486,479 | 2.06B |
| 4 | CECO | CECO Environmental Corp. | 2.17B | 0.11% | 282,733 | 718.25M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.58B | -6.99% | 3,552,559 | 5.66M |
| 6 | ERII | Energy Recovery, Inc. | 766.51M | -0.89% | 315,515 | 135.19M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 403.03M | -7.33% | 291,541 | 160.66K |
| 8 | ARQ | Arq, Inc. | 143.02M | -6.94% | 734,773 | 117.95M |
| 9 | ZONE | CleanCore Solutions, Inc. | 63.57M | -4.71% | 3,710,317 | 2.61M |
| 10 | FTEK | Fuel Tech, Inc. | 53.45M | -5.49% | 75,006 | 24.71M |
| 11 | SCWO | 374Water Inc. | 47.12M | 1.61% | 862,012 | 1.91M |
| 12 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 46.96M | -1.12% | 18,502 | - |
| 13 | CLIR | ClearSign Technologies Corporation | 34.90M | 6.94% | 314,527 | 2.15M |
| 14 | LIQT | LiqTech International, Inc. | 17.52M | -3.19% | 7,198 | 16.79M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 16.19M | 3.83% | 17,434 | 5.69M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 9.37M | 1.65% | 5,531 | 15.38M |
| 17 | DEVS | DevvStream Corp. | 6.45M | -1.75% | 196,789 | 25.79K |
