| 1 | VLTO | Veralto Corporation | 20.83B | -0.52% | 2,395,211 | 5.59B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.02B | -3.24% | 830,609 | 1.74B |
| 3 | FSS | Federal Signal Corporation | 6.79B | -3.13% | 277,194 | 2.34B |
| 4 | CECO | CECO Environmental Corp. | 2.90B | -6.09% | 433,876 | 803.60M |
| 5 | PCT | PureCycle Technologies, Inc. | 2.28B | 1.61% | 6,700,949 | 10.90M |
| 6 | ADUR | Aduro Clean Technologies Inc. | 463.70M | -3.57% | 380,327 | 177.37K |
| 7 | ERII | Energy Recovery, Inc. | 433.50M | -2.44% | 1,247,781 | 136.63M |
| 8 | ZONE | CleanCore Solutions, Inc. | 124.61M | 0.31% | 2,420,370 | 3.41M |
| 9 | ARQ | Arq, Inc. | 112.47M | -0.38% | 174,533 | 122.14M |
| 10 | FTEK | Fuel Tech, Inc. | 45.96M | 1.72% | 173,689 | 26.38M |
| 11 | SCWO | 374Water Inc. | 39.42M | -1.09% | 23,569 | 223.09K |
| 12 | BCHT | Birchtech Corp. | 38.93M | -5.73% | 78,492 | 17.63M |
| 13 | CLIR | ClearSign Technologies Corporation | 25.48M | -9.60% | 21,737 | 5.02M |
| 14 | LIQT | LiqTech International, Inc. | 20.39M | -2.36% | 11,740 | 16.03M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 15.96M | -2.73% | 198,578 | 5.71M |
| 16 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 14.25M | 0.57% | 22,957 | 10.50K |
| 17 | CLWT | Euro Tech Holdings Company Limited | 9.06M | 3.45% | 4,596 | 13.27M |
| 18 | DEVS | DevvStream Corp. | 1.01M | 0.21% | 1,530,327 | 33.94K |
