| 1 | VLTO | Veralto Corporation | 20.63B | 1.57% | 1,287,226 | 5.59B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.27B | 1.52% | 751,802 | 1.74B |
| 3 | CECO | CECO Environmental Corp. | 5.41B | -2.59% | 576,111 | 803.60M |
| 4 | PCT | PureCycle Technologies, Inc. | 1.48B | -6.93% | 8,292,282 | 10.90M |
| 5 | ADUR | Aduro Clean Technologies Inc. | 497.76M | -1.76% | 586,345 | 177.37K |
| 6 | ERII | Energy Recovery, Inc. | 442.77M | -1.94% | 1,341,716 | 136.63M |
| 7 | ZONE | CleanCore Solutions, Inc. | 177.55M | 3.90% | 3,627,647 | 3.41M |
| 8 | ARQ | Arq, Inc. | 118.69M | 1.65% | 304,710 | 122.14M |
| 9 | BCHT | Birchtech Corp. | 57.08M | 5.34% | 298,248 | 18.65M |
| 10 | FTEK | Fuel Tech, Inc. | 40.67M | -0.38% | 79,395 | 26.38M |
| 11 | SCWO | 374Water Inc. | 38.63M | -4.11% | 82,022 | 223.09K |
| 12 | LIQT | LiqTech International, Inc. | 27.25M | 3.88% | 517,849 | 16.03M |
| 13 | CLIR | ClearSign Technologies Corporation | 22.95M | 2.54% | 24,257 | 5.02M |
| 14 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 18.10M | -3.49% | 21,805 | 10.50K |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 15.53M | -0.33% | 238,149 | 5.71M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 8.89M | -4.00% | 65,159 | 13.27M |
| 17 | DEVS | DevvStream Corp. | 2.77M | -21.43% | 1,832,120 | 24.49K |
