| 1 | VLTO | Veralto Corporation | 22.77B | 0.65% | 1,202,908 | 5.59B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.90B | 1.24% | 730,871 | 1.74B |
| 3 | CECO | CECO Environmental Corp. | 4.88B | -0.82% | 707,352 | 803.60M |
| 4 | PCT | PureCycle Technologies, Inc. | 1.45B | -2.14% | 2,970,101 | 10.90M |
| 5 | ADUR | Aduro Clean Technologies Inc. | 571.54M | -0.12% | 386,955 | 177.37K |
| 6 | ERII | Energy Recovery, Inc. | 449.99M | -2.24% | 676,658 | 136.63M |
| 7 | ZONE | CleanCore Solutions, Inc. | 159.00M | -4.45% | 1,372,525 | 3.41M |
| 8 | ARQ | Arq, Inc. | 99.59M | 3.11% | 262,830 | 122.14M |
| 9 | FTEK | Fuel Tech, Inc. | 52.36M | -0.59% | 162,531 | 26.38M |
| 10 | BCHT | Birchtech Corp. | 50.51M | -1.03% | 24,328 | 18.65M |
| 11 | SCWO | 374Water Inc. | 35.69M | - | 31,741 | 223.09K |
| 12 | LIQT | LiqTech International, Inc. | 22.31M | 0.96% | 84,548 | 16.03M |
| 13 | CLIR | ClearSign Technologies Corporation | 20.13M | -0.80% | 6,200 | 5.02M |
| 14 | TOMZ | TOMI Environmental Solutions, Inc. | 18.78M | 0.89% | 65,014 | 5.71M |
| 15 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 15.48M | 3.28% | 11,545 | 10.50K |
| 16 | CLWT | Euro Tech Holdings Company Limited | 12.38M | -1.76% | 287,039 | 13.27M |
