| 1 | VLTO | Veralto Corporation | 24.46B | -1.28% | 1,124,452 | 5.45B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.84B | 0.77% | 676,140 | 1.66B |
| 3 | FSS | Federal Signal Corporation | 6.78B | 2.62% | 483,113 | 2.06B |
| 4 | CECO | CECO Environmental Corp. | 2.13B | -0.10% | 184,461 | 718.25M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.61B | 4.19% | 2,519,000 | 5.66M |
| 6 | ERII | Energy Recovery, Inc. | 726.78M | 1.70% | 303,013 | 135.19M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 354.53M | 2.03% | 404,840 | 160.66K |
| 8 | ARQ | Arq, Inc. | 142.17M | 1.83% | 389,049 | 117.95M |
| 9 | ZONE | CleanCore Solutions, Inc. | 63.41M | 21.15% | 3,079,042 | 2.61M |
| 10 | FTEK | Fuel Tech, Inc. | 53.14M | 9.62% | 217,272 | 24.71M |
| 11 | SCWO | 374Water Inc. | 41.97M | 21.57% | 198,081 | 1.91M |
| 12 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 37.93M | -14.38% | 44,542 | - |
| 13 | CLIR | ClearSign Technologies Corporation | 30.37M | 2.50% | 112,047 | 2.15M |
| 14 | TOMZ | TOMI Environmental Solutions, Inc. | 15.98M | 1.29% | 5,921 | 5.69M |
| 15 | LIQT | LiqTech International, Inc. | 15.02M | 6.85% | 10,393 | 16.79M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 9.41M | 3.92% | 2,252 | 14.01M |
| 17 | DEVS | DevvStream Corp. | 6.09M | 1.46% | 44,853 | 26.89K |
