| 1 | VLTO | Veralto Corporation | 23.72B | 0.17% | 1,262,127 | 5.28B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 5.85B | -0.43% | 575,663 | 1.58B |
| 3 | FSS | Federal Signal Corporation | 5.30B | 0.89% | 724,888 | 1.90B |
| 4 | ATMU | Atmus Filtration Technologies Inc. | 3.00B | 0.61% | 539,553 | 1.66B |
| 5 | PCT | PureCycle Technologies, Inc. | 1.20B | -0.60% | 2,660,375 | - |
| 6 | CECO | CECO Environmental Corp. | 894.40M | -2.16% | 420,654 | 608.30M |
| 7 | ERII | Energy Recovery, Inc. | 853.10M | -1.33% | 304,654 | 144.95M |
| 8 | ARQ | Arq, Inc. | 173.92M | -2.60% | 168,289 | 108.96M |
| 9 | ADUR | Aduro Clean Technologies Inc. | 160.06M | -0.36% | 33,564 | 179.33K |
| 10 | SCWO | 374Water Inc. | 43.40M | -7.89% | 76,172 | 445.45K |
| 11 | CLIR | ClearSign Technologies Corporation | 31.18M | 0.80% | 41,244 | 3.60M |
| 12 | FTEK | Fuel Tech, Inc. | 29.76M | 1.05% | 10,246 | 25.13M |
| 13 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 29.02M | -14.81% | 71,797 | - |
| 14 | TOMZ | TOMI Environmental Solutions, Inc. | 15.94M | 0.73% | 18,545 | 7.74M |
| 15 | LIQT | LiqTech International, Inc. | 13.26M | -6.82% | 13,662 | 14.60M |
| 16 | ZONE | CleanCore Solutions, Inc. | 11.30M | 0.74% | 28,983 | 1.64M |
| 17 | CLWT | Euro Tech Holdings Company Limited | 8.87M | -1.63% | 2,583 | 15.38M |
| 18 | DEVS | DevvStream Corp. | 5.90M | -4.99% | 2,558,243 | - |
| 19 | CHNR | China Natural Resources, Inc. | 5.25M | -5.67% | 7,073 | - |