| 1 | VLTO | Veralto Corporation | 24.15B | -0.60% | 2,470,406 | 5.50B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.50B | 0.04% | 939,655 | 1.70B |
| 3 | FSS | Federal Signal Corporation | 7.09B | -1.02% | 515,958 | 2.18B |
| 4 | CECO | CECO Environmental Corp. | 2.15B | -4.53% | 926,808 | 774.38M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.14B | -22.29% | 22,189,213 | 8.36M |
| 6 | ERII | Energy Recovery, Inc. | 551.00M | - | 1,196,525 | 134.99M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 364.50M | -8.28% | 331,121 | 218.51K |
| 8 | ARQ | Arq, Inc. | 149.86M | -3.04% | 352,987 | 117.95M |
| 9 | ZONE | CleanCore Solutions, Inc. | 71.48M | 3.10% | 2,660,234 | 3.42M |
| 10 | BCHT | Birchtech Corp. | 60.67M | -1.67% | 623,267 | 19.40M |
| 11 | FTEK | Fuel Tech, Inc. | 44.44M | 1.43% | 115,625 | 24.71M |
| 12 | SCWO | 374Water Inc. | 43.84M | -5.47% | 33,337 | 1.91M |
| 13 | CLIR | ClearSign Technologies Corporation | 30.12M | 0.02% | 43,977 | 2.15M |
| 14 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 19.50M | -1.53% | 35,610 | - |
| 15 | LIQT | LiqTech International, Inc. | 19.16M | 10.56% | 28,246 | 16.79M |
| 16 | TOMZ | TOMI Environmental Solutions, Inc. | 13.96M | 7.78% | 155,624 | 5.69M |
| 17 | CLWT | Euro Tech Holdings Company Limited | 9.13M | 0.83% | 397 | 14.01M |
| 18 | DEVS | DevvStream Corp. | 3.78M | -4.79% | 28,942 | 26.89K |
