| 1 | VLTO | Veralto Corporation | 27.06B | -0.06% | 1,253,317 | 5.36B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.82B | -1.25% | 891,915 | 1.61B |
| 3 | FSS | Federal Signal Corporation | 7.64B | -1.76% | 257,711 | 1.97B |
| 4 | PCT | PureCycle Technologies, Inc. | 2.40B | -0.08% | 1,172,665 | 3.23M |
| 5 | CECO | CECO Environmental Corp. | 1.70B | 0.90% | 385,654 | 656.17M |
| 6 | ERII | Energy Recovery, Inc. | 763.93M | -1.17% | 258,762 | 141.78M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 395.78M | -1.77% | 146,391 | 168.08K |
| 8 | ARQ | Arq, Inc. | 306.31M | 1.63% | 151,351 | 117.65M |
| 9 | FTEK | Fuel Tech, Inc. | 112.80M | 7.08% | 799,471 | 25.07M |
| 10 | SCWO | 374Water Inc. | 60.86M | 3.33% | 153,959 | 1.23M |
| 11 | ZONE | CleanCore Solutions, Inc. | 60.73M | -4.52% | 4,353,056 | 2.07M |
| 12 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 46.81M | -9.66% | 55,716 | - |
| 13 | CLIR | ClearSign Technologies Corporation | 28.32M | -0.90% | 103,924 | 2.98M |
| 14 | LIQT | LiqTech International, Inc. | 23.07M | 0.21% | 3,014 | 15.46M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 16.97M | 0.57% | 6,199 | 6.22M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 12.03M | 9.87% | 129,828 | 15.38M |
| 17 | DEVS | DevvStream Corp. | 9.28M | 2.34% | 84,373 | 10.16K |
| 18 | CHNR | China Natural Resources, Inc. | 5.13M | 1.46% | 31,750 | - |
