| 1 | VLTO | Veralto Corporation | 23.97B | 0.33% | 1,159,556 | 5.70B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.53B | -0.81% | 723,420 | 1.79B |
| 3 | CECO | CECO Environmental Corp. | 4.14B | 3.37% | 1,838,995 | 803.60M |
| 4 | PCT | PureCycle Technologies, Inc. | 1.45B | 4.95% | 6,705,368 | 13.76M |
| 5 | ADUR | Aduro Clean Technologies Inc. | 563.28M | 4.89% | 434,916 | 177.37K |
| 6 | ERII | Energy Recovery, Inc. | 443.07M | -0.57% | 976,276 | 120.57M |
| 7 | ARQ | Arq, Inc. | 89.29M | -1.42% | 210,630 | 122.14M |
| 8 | ZONE | CleanCore Solutions, Inc. | 81.07M | -2.59% | 3,260,337 | 3.41M |
| 9 | FTEK | Fuel Tech, Inc. | 43.70M | 2.19% | 133,125 | 27.30M |
| 10 | SCWO | 374Water Inc. | 37.62M | -3.59% | 31,312 | 223.09K |
| 11 | BCHT | Birchtech Corp. | 36.57M | - | 93,271 | 18.65M |
| 12 | CLIR | ClearSign Technologies Corporation | 25.53M | -2.34% | 3,548 | 5.02M |
| 13 | LIQT | LiqTech International, Inc. | 19.08M | 4.41% | 306,549 | 16.03M |
| 14 | TOMZ | TOMI Environmental Solutions, Inc. | 14.15M | -1.09% | 7,013 | 5.71M |
| 15 | CLWT | Euro Tech Holdings Company Limited | 11.78M | 5.30% | 38,795 | 13.27M |
| 16 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 9.66M | -7.09% | 281,505 | 10.50K |
