| 1 | VLTO | Veralto Corporation | 25.16B | -0.42% | 731,217 | 5.45B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.99B | -0.17% | 344,456 | 1.66B |
| 3 | FSS | Federal Signal Corporation | 6.76B | -1.98% | 188,055 | 2.06B |
| 4 | CECO | CECO Environmental Corp. | 2.17B | -0.85% | 105,161 | 718.25M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.58B | -2.55% | 2,167,659 | 5.66M |
| 6 | ERII | Energy Recovery, Inc. | 731.54M | -0.50% | 202,267 | 135.19M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 344.60M | -6.57% | 621,504 | 160.66K |
| 8 | ARQ | Arq, Inc. | 140.68M | -3.37% | 342,957 | 117.95M |
| 9 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 62.21M | 24.53% | 50,125 | - |
| 10 | FTEK | Fuel Tech, Inc. | 47.85M | -5.52% | 265,957 | 24.71M |
| 11 | ZONE | CleanCore Solutions, Inc. | 46.20M | -7.94% | 2,412,103 | 2.61M |
| 12 | CLIR | ClearSign Technologies Corporation | 30.31M | -6.55% | 154,370 | 2.15M |
| 13 | SCWO | 374Water Inc. | 29.79M | -25.42% | 341,588 | 1.91M |
| 14 | TOMZ | TOMI Environmental Solutions, Inc. | 15.37M | -4.88% | 4,828 | 5.69M |
| 15 | LIQT | LiqTech International, Inc. | 14.44M | -4.46% | 44,331 | 16.79M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 9.28M | -1.60% | 2,391 | 15.38M |
| 17 | DEVS | DevvStream Corp. | 5.52M | -2.33% | 62,784 | 26.89K |
