| 1 | VLTO | Veralto Corporation | 22.60B | 0.57% | 1,763,800 | 5.59B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.07B | 0.27% | 1,024,339 | 1.74B |
| 3 | CECO | CECO Environmental Corp. | 4.42B | -4.98% | 1,076,229 | 803.60M |
| 4 | PCT | PureCycle Technologies, Inc. | 1.16B | -2.66% | 3,863,704 | 10.90M |
| 5 | ADUR | Aduro Clean Technologies Inc. | 459.56M | -7.12% | 632,216 | 177.37K |
| 6 | ERII | Energy Recovery, Inc. | 434.01M | 0.12% | 514,129 | 136.63M |
| 7 | ZONE | CleanCore Solutions, Inc. | 159.53M | 2.73% | 1,179,618 | 3.41M |
| 8 | ARQ | Arq, Inc. | 86.93M | -0.49% | 140,887 | 122.14M |
| 9 | FTEK | Fuel Tech, Inc. | 48.15M | -3.44% | 44,018 | 26.38M |
| 10 | SCWO | 374Water Inc. | 37.79M | 2.37% | 58,198 | 223.09K |
| 11 | BCHT | Birchtech Corp. | 36.83M | -7.28% | 140,240 | 18.65M |
| 12 | LIQT | LiqTech International, Inc. | 19.52M | 0.29% | 53,882 | 16.03M |
| 13 | CLIR | ClearSign Technologies Corporation | 18.89M | 4.18% | 28,828 | 5.02M |
| 14 | TOMZ | TOMI Environmental Solutions, Inc. | 11.97M | -5.52% | 29,234 | 5.71M |
| 15 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 11.96M | -2.01% | 6,822 | 10.50K |
| 16 | CLWT | Euro Tech Holdings Company Limited | 11.64M | -4.85% | 22,959 | 13.27M |
