| 1 | VLTO | Veralto Corporation | 22.39B | 1.08% | 1,506,274 | 5.59B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.92B | 0.44% | 895,102 | 1.74B |
| 3 | CECO | CECO Environmental Corp. | 4.78B | -0.33% | 563,456 | 803.60M |
| 4 | PCT | PureCycle Technologies, Inc. | 1.24B | -2.94% | 2,673,480 | 10.90M |
| 5 | ADUR | Aduro Clean Technologies Inc. | 496.24M | -0.63% | 513,177 | 177.37K |
| 6 | ERII | Energy Recovery, Inc. | 440.20M | -0.93% | 608,106 | 136.63M |
| 7 | ZONE | CleanCore Solutions, Inc. | 155.36M | 9.20% | 1,276,695 | 3.41M |
| 8 | ARQ | Arq, Inc. | 89.29M | 0.48% | 220,504 | 122.14M |
| 9 | FTEK | Fuel Tech, Inc. | 48.31M | 1.31% | 66,910 | 26.38M |
| 10 | BCHT | Birchtech Corp. | 39.72M | -1.95% | 114,158 | 18.65M |
| 11 | SCWO | 374Water Inc. | 36.04M | 1.48% | 49,721 | 223.09K |
| 12 | LIQT | LiqTech International, Inc. | 19.34M | 0.56% | 172,260 | 16.03M |
| 13 | CLIR | ClearSign Technologies Corporation | 17.59M | -2.99% | 7,379 | 5.02M |
| 14 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 14.49M | 10.62% | 12,378 | 10.50K |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 14.15M | -1.09% | 39,836 | 5.71M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 12.01M | 1.89% | 30,085 | 13.27M |
