| 1 | VLTO | Veralto Corporation | 21.20B | -2.57% | 990,153 | 5.50B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.80B | 0.53% | 500,743 | 1.74B |
| 3 | FSS | Federal Signal Corporation | 7.02B | -0.61% | 94,181 | 2.18B |
| 4 | CECO | CECO Environmental Corp. | 2.30B | -0.53% | 345,593 | 774.38M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.29B | -2.06% | 1,978,453 | 8.36M |
| 6 | ERII | Energy Recovery, Inc. | 591.15M | -0.80% | 377,214 | 134.99M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 403.53M | 3.51% | 302,354 | 177.37K |
| 8 | ARQ | Arq, Inc. | 98.55M | 0.44% | 92,358 | 120.34M |
| 9 | ZONE | CleanCore Solutions, Inc. | 62.87M | -1.13% | 699,471 | 3.42M |
| 10 | SCWO | 374Water Inc. | 50.58M | -2.36% | 10,355 | 215.04K |
| 11 | FTEK | Fuel Tech, Inc. | 43.00M | 2.22% | 94,756 | 26.68M |
| 12 | BCHT | Birchtech Corp. | 41.83M | 2.58% | 117,102 | 17.63M |
| 13 | CLIR | ClearSign Technologies Corporation | 28.13M | 4.00% | 11,850 | 5.23M |
| 14 | LIQT | LiqTech International, Inc. | 21.19M | 0.49% | 2,129 | 16.51M |
| 15 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 18.85M | -2.04% | 2,393 | - |
| 16 | TOMZ | TOMI Environmental Solutions, Inc. | 13.99M | 11.86% | 3,397,406 | 5.64M |
| 17 | CLWT | Euro Tech Holdings Company Limited | 9.43M | - | 106 | 14.01M |
| 18 | DEVS | DevvStream Corp. | 1.62M | 0.13% | 210,118 | 33.94K |
