| 1 | VLTO | Veralto Corporation | 25.16B | 0.39% | 321,159 | 5.28B |
| 2 | FSS | Federal Signal Corporation | 6.37B | 0.01% | 172,932 | 1.90B |
| 3 | ZWS | Zurn Elkay Water Solutions Corporation | 6.18B | 0.22% | 110,530 | 1.58B |
| 4 | PCT | PureCycle Technologies, Inc. | 2.51B | -0.14% | 1,147,385 | 1.58M |
| 5 | CECO | CECO Environmental Corp. | 1.05B | -0.77% | 87,420 | 608.30M |
| 6 | ERII | Energy Recovery, Inc. | 691.05M | 2.18% | 172,136 | 140.92M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 311.15M | -1.95% | 292,514 | 179.33K |
| 8 | ARQ | Arq, Inc. | 224.14M | 1.53% | 82,241 | 114.47M |
| 9 | FTEK | Fuel Tech, Inc. | 81.87M | 5.56% | 177,719 | 26.56M |
| 10 | SCWO | 374Water Inc. | 59.03M | 0.69% | 121,656 | 673.27K |
| 11 | CLIR | ClearSign Technologies Corporation | 28.83M | -3.51% | 31,150 | 2.90M |
| 12 | ZONE | CleanCore Solutions, Inc. | 25.42M | -4.69% | 92,403 | 1.89M |
| 13 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 24.66M | 3.25% | 1,442 | - |
| 14 | TOMZ | TOMI Environmental Solutions, Inc. | 20.22M | -2.88% | 3,704 | 8.20M |
| 15 | LIQT | LiqTech International, Inc. | 16.15M | 6.32% | 29,220 | 14.99M |
| 16 | DEVS | DevvStream Corp. | 12.54M | 1.27% | 299,279 | 10.16K |
| 17 | CLWT | Euro Tech Holdings Company Limited | 8.68M | -1.44% | 4,577 | 15.38M |
| 18 | CHNR | China Natural Resources, Inc. | 5.01M | -2.48% | 14,106 | - |