| 1 | VLTO | Veralto Corporation | 23.12B | 0.69% | 1,430,030 | 5.70B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.49B | 1.37% | 980,770 | 1.79B |
| 3 | CECO | CECO Environmental Corp. | 3.99B | 3.70% | 614,155 | 803.60M |
| 4 | PCT | PureCycle Technologies, Inc. | 1.39B | 10.05% | 5,955,022 | 10.90M |
| 5 | ADUR | Aduro Clean Technologies Inc. | 486.35M | 8.71% | 644,322 | 177.37K |
| 6 | ERII | Energy Recovery, Inc. | 459.27M | 3.01% | 1,278,490 | 136.63M |
| 7 | ARQ | Arq, Inc. | 86.28M | 2.03% | 365,361 | 122.14M |
| 8 | ZONE | CleanCore Solutions, Inc. | 80.81M | 1.14% | 2,505,640 | 3.41M |
| 9 | FTEK | Fuel Tech, Inc. | 46.75M | 6.38% | 91,401 | 26.38M |
| 10 | SCWO | 374Water Inc. | 40.59M | 6.42% | 60,456 | 223.09K |
| 11 | BCHT | Birchtech Corp. | 37.09M | 3.68% | 50,701 | 18.65M |
| 12 | CLIR | ClearSign Technologies Corporation | 26.96M | 2.59% | 18,322 | 5.02M |
| 13 | LIQT | LiqTech International, Inc. | 19.32M | -7.50% | 52,296 | 16.03M |
| 14 | TOMZ | TOMI Environmental Solutions, Inc. | 13.53M | 8.75% | 51,171 | 5.71M |
| 15 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 12.94M | 9.72% | 8,789,041 | 10.50K |
| 16 | CLWT | Euro Tech Holdings Company Limited | 11.04M | - | 17,693 | 13.27M |
