| 1 | VLTO | Veralto Corporation | 25.28B | -0.12% | 1,014,761 | 5.36B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.82B | 0.65% | 921,699 | 1.61B |
| 3 | FSS | Federal Signal Corporation | 7.24B | 0.26% | 489,031 | 1.97B |
| 4 | PCT | PureCycle Technologies, Inc. | 2.72B | 2.37% | 4,178,133 | 3.23M |
| 5 | CECO | CECO Environmental Corp. | 1.86B | 9.75% | 847,288 | 656.17M |
| 6 | ERII | Energy Recovery, Inc. | 869.26M | 3.81% | 436,600 | 141.78M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 523.77M | -4.37% | 222,846 | 160.66K |
| 8 | ARQ | Arq, Inc. | 299.69M | -2.23% | 220,278 | 117.65M |
| 9 | ZONE | CleanCore Solutions, Inc. | 296.19M | -8.05% | 1,502,680 | 2.07M |
| 10 | FTEK | Fuel Tech, Inc. | 96.95M | 1.30% | 186,840 | 25.07M |
| 11 | SCWO | 374Water Inc. | 72.07M | -7.56% | 9,535,537 | 1.23M |
| 12 | CLIR | ClearSign Technologies Corporation | 50.73M | -3.71% | 240,562 | 2.98M |
| 13 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 39.15M | 8.63% | 142,860 | - |
| 14 | LIQT | LiqTech International, Inc. | 26.15M | -8.11% | 43,515 | 15.46M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 18.80M | -3.38% | 36,278 | 6.22M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 9.63M | -0.03% | 6,284 | 15.38M |
| 17 | DEVS | DevvStream Corp. | 9.45M | 3.36% | 46,767 | 10.16K |
| 18 | CHNR | China Natural Resources, Inc. | 8.42M | -1.59% | 118,527 | - |
