| 1 | VLTO | Veralto Corporation | 21.53B | -1.85% | 1,494,408 | 5.50B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.58B | 0.69% | 825,312 | 1.70B |
| 3 | FSS | Federal Signal Corporation | 6.83B | 3.43% | 373,380 | 2.18B |
| 4 | CECO | CECO Environmental Corp. | 2.21B | 6.21% | 714,920 | 774.38M |
| 5 | PCT | PureCycle Technologies, Inc. | 955.37M | -10.19% | 6,974,402 | 8.36M |
| 6 | ERII | Energy Recovery, Inc. | 537.27M | 0.49% | 1,115,132 | 134.99M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 360.60M | -1.38% | 155,645 | 218.51K |
| 8 | ARQ | Arq, Inc. | 99.84M | 2.64% | 703,780 | 120.34M |
| 9 | ZONE | CleanCore Solutions, Inc. | 88.94M | 4.37% | 4,670,676 | 3.42M |
| 10 | SCWO | 374Water Inc. | 55.85M | 4.43% | 158,826 | 1.91M |
| 11 | BCHT | Birchtech Corp. | 54.98M | - | 24,714 | 19.40M |
| 12 | FTEK | Fuel Tech, Inc. | 38.69M | 2.44% | 135,738 | 26.68M |
| 13 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 22.85M | -8.22% | 9,193 | - |
| 14 | CLIR | ClearSign Technologies Corporation | 18.81M | -1.94% | 8,032 | 2.15M |
| 15 | LIQT | LiqTech International, Inc. | 15.92M | -3.03% | 27,312 | 16.51M |
| 16 | TOMZ | TOMI Environmental Solutions, Inc. | 14.26M | 1.42% | 39,931 | 5.69M |
| 17 | CLWT | Euro Tech Holdings Company Limited | 8.86M | 1.74% | 4,175 | 14.01M |
| 18 | DEVS | DevvStream Corp. | 2.83M | -11.93% | 124,525 | 33.94K |
