| 1 | VLTO | Veralto Corporation | 21.11B | -0.27% | 2,440,508 | 5.59B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.94B | -0.50% | 740,415 | 1.74B |
| 3 | FSS | Federal Signal Corporation | 6.81B | -0.55% | 331,252 | 2.34B |
| 4 | CECO | CECO Environmental Corp. | 2.89B | -0.75% | 403,372 | 803.60M |
| 5 | PCT | PureCycle Technologies, Inc. | 2.05B | -4.47% | 4,408,558 | 10.90M |
| 6 | ADUR | Aduro Clean Technologies Inc. | 481.94M | -1.65% | 277,168 | 177.37K |
| 7 | ERII | Energy Recovery, Inc. | 444.32M | -0.35% | 648,102 | 136.63M |
| 8 | ZONE | CleanCore Solutions, Inc. | 173.11M | 21.08% | 5,687,776 | 3.41M |
| 9 | ARQ | Arq, Inc. | 106.46M | -1.98% | 196,707 | 122.14M |
| 10 | FTEK | Fuel Tech, Inc. | 45.19M | -0.68% | 189,391 | 26.38M |
| 11 | SCWO | 374Water Inc. | 41.16M | 0.43% | 27,160 | 223.09K |
| 12 | BCHT | Birchtech Corp. | 37.09M | 1.44% | 70,112 | 17.63M |
| 13 | CLIR | ClearSign Technologies Corporation | 27.10M | 2.24% | 8,069 | 5.02M |
| 14 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 20.06M | 21.29% | 292,397 | 10.50K |
| 15 | LIQT | LiqTech International, Inc. | 18.20M | -3.17% | 6,916 | 16.03M |
| 16 | TOMZ | TOMI Environmental Solutions, Inc. | 15.14M | -1.50% | 64,112 | 5.71M |
| 17 | CLWT | Euro Tech Holdings Company Limited | 9.13M | 4.31% | 7,802 | 13.27M |
| 18 | DEVS | DevvStream Corp. | 889.99K | 6.99% | 830,575 | 33.94K |
