| 1 | VLTO | Veralto Corporation | 22.19B | 1.87% | 2,795,032 | 5.59B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.18B | -3.01% | 861,195 | 1.74B |
| 3 | CECO | CECO Environmental Corp. | 5.00B | -5.72% | 658,781 | 803.60M |
| 4 | PCT | PureCycle Technologies, Inc. | 1.59B | -1.23% | 3,267,763 | 10.90M |
| 5 | ADUR | Aduro Clean Technologies Inc. | 558.94M | -1.40% | 381,260 | 177.37K |
| 6 | ERII | Energy Recovery, Inc. | 458.75M | -1.33% | 669,011 | 136.63M |
| 7 | ZONE | CleanCore Solutions, Inc. | 180.72M | -0.70% | 897,793 | 3.41M |
| 8 | ARQ | Arq, Inc. | 100.88M | -7.84% | 243,106 | 122.14M |
| 9 | FTEK | Fuel Tech, Inc. | 64.82M | -5.88% | 278,789 | 26.38M |
| 10 | BCHT | Birchtech Corp. | 55.77M | 3.41% | 32,157 | 18.65M |
| 11 | SCWO | 374Water Inc. | 37.79M | 13.68% | 97,281 | 223.09K |
| 12 | LIQT | LiqTech International, Inc. | 23.66M | -6.95% | 401,551 | 16.03M |
| 13 | CLIR | ClearSign Technologies Corporation | 22.25M | 11.99% | 34,140 | 5.02M |
| 14 | TOMZ | TOMI Environmental Solutions, Inc. | 19.68M | 2.50% | 100,051 | 5.71M |
| 15 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 16.21M | -4.35% | 30,812 | 10.50K |
| 16 | CLWT | Euro Tech Holdings Company Limited | 13.49M | 6.43% | 185,587 | 13.27M |
