| 1 | VLTO | Veralto Corporation | 22.82B | 0.23% | 1,566,636 | 5.59B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.83B | -0.89% | 899,238 | 1.74B |
| 3 | CECO | CECO Environmental Corp. | 4.78B | -2.07% | 600,622 | 803.60M |
| 4 | PCT | PureCycle Technologies, Inc. | 1.33B | -8.22% | 5,025,373 | 10.90M |
| 5 | ADUR | Aduro Clean Technologies Inc. | 554.79M | -3.35% | 394,740 | 177.37K |
| 6 | ERII | Energy Recovery, Inc. | 446.38M | -0.80% | 893,160 | 136.63M |
| 7 | ZONE | CleanCore Solutions, Inc. | 152.94M | -3.81% | 2,500,865 | 3.41M |
| 8 | ARQ | Arq, Inc. | 95.30M | -4.31% | 280,497 | 122.14M |
| 9 | BCHT | Birchtech Corp. | 50.51M | - | 37,307 | 18.65M |
| 10 | FTEK | Fuel Tech, Inc. | 49.55M | -5.36% | 126,364 | 26.38M |
| 11 | SCWO | 374Water Inc. | 33.59M | -5.88% | 49,055 | 223.09K |
| 12 | LIQT | LiqTech International, Inc. | 23.66M | 6.06% | 180,954 | 16.03M |
| 13 | CLIR | ClearSign Technologies Corporation | 19.59M | -2.69% | 16,728 | 5.02M |
| 14 | TOMZ | TOMI Environmental Solutions, Inc. | 17.96M | -4.33% | 32,945 | 5.71M |
| 15 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 13.96M | -9.79% | 22,857 | 10.50K |
| 16 | CLWT | Euro Tech Holdings Company Limited | 12.23M | -1.20% | 55,976 | 13.27M |
