| 1 | VLTO | Veralto Corporation | 22.02B | -0.68% | 1,317,243 | 5.50B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.03B | 0.33% | 1,905,711 | 1.74B |
| 3 | FSS | Federal Signal Corporation | 6.91B | -1.54% | 674,906 | 2.18B |
| 4 | CECO | CECO Environmental Corp. | 2.19B | -5.53% | 330,036 | 774.38M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.21B | -3.60% | 2,825,343 | 8.36M |
| 6 | ERII | Energy Recovery, Inc. | 547.83M | -0.86% | 710,149 | 134.99M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 377.31M | -3.47% | 196,520 | 177.37K |
| 8 | ARQ | Arq, Inc. | 95.13M | -0.89% | 238,693 | 120.34M |
| 9 | ZONE | CleanCore Solutions, Inc. | 64.83M | -6.56% | 1,028,765 | 3.42M |
| 10 | SCWO | 374Water Inc. | 54.42M | -3.11% | 23,391 | 215.04K |
| 11 | FTEK | Fuel Tech, Inc. | 43.04M | 0.82% | 86,746 | 26.68M |
| 12 | BCHT | Birchtech Corp. | 40.51M | 1.99% | 98,803 | 17.63M |
| 13 | CLIR | ClearSign Technologies Corporation | 29.21M | -0.18% | 11,907 | 5.23M |
| 14 | LIQT | LiqTech International, Inc. | 23.87M | 29.73% | 209,008 | 16.51M |
| 15 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 20.15M | -6.10% | 9,982 | - |
| 16 | TOMZ | TOMI Environmental Solutions, Inc. | 11.21M | 2.36% | 122,925 | 5.64M |
| 17 | CLWT | Euro Tech Holdings Company Limited | 9.55M | 1.20% | 571 | 14.01M |
| 18 | DEVS | DevvStream Corp. | 2.90M | -4.54% | 269,181 | 33.94K |
