| 1 | VLTO | Veralto Corporation | 24.18B | 4.44% | 3,134,677 | 5.70B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.23B | 1.11% | 1,241,874 | 1.79B |
| 3 | CECO | CECO Environmental Corp. | 3.94B | -8.53% | 1,315,967 | 803.60M |
| 4 | PCT | PureCycle Technologies, Inc. | 1.22B | 3.18% | 3,521,376 | 10.90M |
| 5 | ADUR | Aduro Clean Technologies Inc. | 463.09M | -3.28% | 682,454 | 177.37K |
| 6 | ERII | Energy Recovery, Inc. | 432.98M | -1.41% | 688,117 | 136.63M |
| 7 | ZONE | CleanCore Solutions, Inc. | 155.36M | 5.53% | 2,199,724 | 3.41M |
| 8 | ARQ | Arq, Inc. | 83.71M | -2.01% | 220,828 | 122.14M |
| 9 | FTEK | Fuel Tech, Inc. | 45.19M | -4.61% | 197,166 | 26.38M |
| 10 | SCWO | 374Water Inc. | 38.75M | 0.68% | 40,393 | 223.09K |
| 11 | BCHT | Birchtech Corp. | 36.83M | -2.10% | 41,860 | 18.65M |
| 12 | CLIR | ClearSign Technologies Corporation | 21.87M | 1.51% | 7,554 | 5.02M |
| 13 | LIQT | LiqTech International, Inc. | 19.51M | -4.21% | 65,543 | 16.03M |
| 14 | TOMZ | TOMI Environmental Solutions, Inc. | 12.83M | -1.20% | 7,083 | 5.71M |
| 15 | CLWT | Euro Tech Holdings Company Limited | 11.34M | -3.16% | 5,570 | 13.27M |
| 16 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 10.81M | 1.15% | 2,542 | 10.50K |
