| 1 | VLTO | Veralto Corporation | 21.32B | - | 1,559,125 | 5.59B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.01B | - | 872,262 | 1.74B |
| 3 | FSS | Federal Signal Corporation | 6.87B | - | 304,463 | 2.34B |
| 4 | CECO | CECO Environmental Corp. | 2.93B | - | 592,477 | 803.60M |
| 5 | PCT | PureCycle Technologies, Inc. | 2.05B | - | 3,915,191 | 10.90M |
| 6 | ADUR | Aduro Clean Technologies Inc. | 474.09M | 2.17% | 396,456 | 177.37K |
| 7 | ERII | Energy Recovery, Inc. | 456.18M | 2.67% | 825,755 | 136.63M |
| 8 | ZONE | CleanCore Solutions, Inc. | 179.70M | 3.81% | 4,724,578 | 3.41M |
| 9 | ARQ | Arq, Inc. | 105.60M | - | 196,216 | 122.14M |
| 10 | FTEK | Fuel Tech, Inc. | 46.12M | - | 183,785 | 26.38M |
| 11 | SCWO | 374Water Inc. | 42.38M | - | 35,891 | 223.09K |
| 12 | BCHT | Birchtech Corp. | 36.30M | - | 66,475 | 17.63M |
| 13 | CLIR | ClearSign Technologies Corporation | 26.25M | - | 17,891 | 5.02M |
| 14 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 19.49M | - | 44,962 | 10.50K |
| 15 | LIQT | LiqTech International, Inc. | 17.91M | - | 2,874 | 16.03M |
| 16 | TOMZ | TOMI Environmental Solutions, Inc. | 16.05M | - | 157,595 | 5.71M |
| 17 | CLWT | Euro Tech Holdings Company Limited | 9.21M | - | 1,159 | 13.27M |
| 18 | DEVS | DevvStream Corp. | 840.90K | -5.52% | 1,534,510 | 33.94K |
