| 1 | VLTO | Veralto Corporation | 23.71B | 1.03% | 1,115,683 | 5.50B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.04B | -4.27% | 396,443 | 1.70B |
| 3 | FSS | Federal Signal Corporation | 6.85B | -3.68% | 294,795 | 2.18B |
| 4 | CECO | CECO Environmental Corp. | 1.93B | -2.43% | 483,510 | 774.38M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.07B | -4.68% | 4,044,068 | 8.36M |
| 6 | ERII | Energy Recovery, Inc. | 563.95M | -0.42% | 522,931 | 134.99M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 378.19M | -0.80% | 152,218 | 218.51K |
| 8 | ARQ | Arq, Inc. | 144.31M | -3.43% | 163,224 | 117.95M |
| 9 | ZONE | CleanCore Solutions, Inc. | 67.80M | -7.66% | 1,888,966 | 3.42M |
| 10 | BCHT | Birchtech Corp. | 57.32M | -2.19% | 85,536 | 19.40M |
| 11 | SCWO | 374Water Inc. | 42.48M | -5.99% | 53,751 | 1.91M |
| 12 | FTEK | Fuel Tech, Inc. | 38.84M | 0.81% | 245,609 | 26.68M |
| 13 | CLIR | ClearSign Technologies Corporation | 27.99M | -3.33% | 90,390 | 2.15M |
| 14 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 20.64M | -3.20% | 13,325 | - |
| 15 | LIQT | LiqTech International, Inc. | 15.62M | -0.64% | 6,200 | 16.51M |
| 16 | TOMZ | TOMI Environmental Solutions, Inc. | 13.69M | 4.93% | 60,065 | 5.69M |
| 17 | CLWT | Euro Tech Holdings Company Limited | 10.39M | -1.64% | 8,403 | 14.01M |
| 18 | DEVS | DevvStream Corp. | 3.47M | -0.21% | 22,520 | 26.89K |
