| 1 | VLTO | Veralto Corporation | 25.37B | -0.71% | 962,780 | 5.45B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.84B | -0.13% | 886,695 | 1.66B |
| 3 | FSS | Federal Signal Corporation | 6.74B | -0.08% | 213,852 | 2.06B |
| 4 | CECO | CECO Environmental Corp. | 1.96B | -1.35% | 221,053 | 718.25M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.67B | -3.53% | 2,221,581 | 5.66M |
| 6 | ERII | Energy Recovery, Inc. | 779.75M | 0.27% | 333,099 | 135.19M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 434.72M | -0.29% | 295,287 | 160.66K |
| 8 | ARQ | Arq, Inc. | 160.96M | -1.82% | 188,935 | 117.95M |
| 9 | ZONE | CleanCore Solutions, Inc. | 59.97M | -5.46% | 1,854,856 | 2.61M |
| 10 | FTEK | Fuel Tech, Inc. | 52.52M | -5.59% | 84,615 | 24.71M |
| 11 | SCWO | 374Water Inc. | 45.66M | -2.21% | 664,097 | 1.91M |
| 12 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 41.42M | -6.02% | 6,328 | - |
| 13 | CLIR | ClearSign Technologies Corporation | 40.34M | -0.38% | 25,670 | 2.15M |
| 14 | LIQT | LiqTech International, Inc. | 19.25M | 4.71% | 9,344 | 16.79M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 16.14M | -0.25% | 1,199 | 5.69M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 8.38M | 1.84% | 13,069 | 15.38M |
| 17 | DEVS | DevvStream Corp. | 7.68M | -10.71% | 2,126,050 | 25.79K |