| 1 | VLTO | Veralto Corporation | 22.17B | -0.76% | 1,498,813 | 5.50B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.01B | 0.06% | 1,229,584 | 1.70B |
| 3 | FSS | Federal Signal Corporation | 7.02B | 0.91% | 362,692 | 2.18B |
| 4 | CECO | CECO Environmental Corp. | 2.32B | -0.31% | 311,064 | 774.38M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.25B | 2.51% | 2,079,401 | 8.36M |
| 6 | ERII | Energy Recovery, Inc. | 552.59M | -1.13% | 748,661 | 134.99M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 392.10M | 2.67% | 249,713 | 177.37K |
| 8 | ARQ | Arq, Inc. | 95.98M | 0.45% | 209,749 | 120.34M |
| 9 | ZONE | CleanCore Solutions, Inc. | 69.38M | 5.61% | 1,164,473 | 3.42M |
| 10 | SCWO | 374Water Inc. | 56.16M | 2.55% | 41,376 | 215.04K |
| 11 | FTEK | Fuel Tech, Inc. | 42.68M | 1.48% | 92,393 | 26.68M |
| 12 | BCHT | Birchtech Corp. | 39.72M | -6.79% | 166,246 | 17.63M |
| 13 | CLIR | ClearSign Technologies Corporation | 29.23M | -0.83% | 56,182 | 5.23M |
| 14 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 21.45M | 15.42% | 15,888 | - |
| 15 | LIQT | LiqTech International, Inc. | 18.40M | -0.27% | 3,380 | 16.51M |
| 16 | TOMZ | TOMI Environmental Solutions, Inc. | 10.95M | -8.87% | 84,250 | 5.64M |
| 17 | CLWT | Euro Tech Holdings Company Limited | 9.43M | 1.63% | 2,419 | 14.01M |
| 18 | DEVS | DevvStream Corp. | 3.04M | -0.73% | 139,496 | 33.94K |
