| 1 | VLTO | Veralto Corporation | 21.66B | -0.88% | 329,925 | 5.50B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.70B | -0.61% | 396,220 | 1.74B |
| 3 | FSS | Federal Signal Corporation | 7.11B | 2.43% | 68,662 | 2.18B |
| 4 | CECO | CECO Environmental Corp. | 2.31B | 1.43% | 127,515 | 774.38M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.32B | 2.02% | 2,364,067 | 8.36M |
| 6 | ERII | Energy Recovery, Inc. | 585.87M | 2.59% | 225,119 | 134.99M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 404.65M | -1.42% | 114,433 | 177.37K |
| 8 | ARQ | Arq, Inc. | 97.91M | 2.47% | 99,980 | 120.34M |
| 9 | ZONE | CleanCore Solutions, Inc. | 65.67M | 0.91% | 330,892 | 3.42M |
| 10 | SCWO | 374Water Inc. | 53.20M | - | 8,327 | 215.04K |
| 11 | FTEK | Fuel Tech, Inc. | 42.22M | 0.37% | 34,872 | 26.68M |
| 12 | BCHT | Birchtech Corp. | 39.98M | 0.66% | 12,693 | 17.63M |
| 13 | CLIR | ClearSign Technologies Corporation | 29.75M | -1.61% | 998 | 5.23M |
| 14 | LIQT | LiqTech International, Inc. | 21.49M | -3.57% | 4,868 | 16.51M |
| 15 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 19.92M | -4.23% | 1,396 | - |
| 16 | TOMZ | TOMI Environmental Solutions, Inc. | 13.05M | 15.10% | 1,650,102 | 5.64M |
| 17 | CLWT | Euro Tech Holdings Company Limited | 9.49M | -1.02% | 142 | 14.01M |
| 18 | DEVS | DevvStream Corp. | 1.82M | -22.92% | 236,980 | 33.94K |
