| 1 | VLTO | Veralto Corporation | 24.50B | -0.05% | 1,749,684 | 5.45B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.79B | 0.80% | 1,467,730 | 1.66B |
| 3 | FSS | Federal Signal Corporation | 6.58B | -0.63% | 566,586 | 2.06B |
| 4 | CECO | CECO Environmental Corp. | 2.50B | 0.95% | 227,769 | 718.25M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.84B | -9.96% | 6,001,589 | 5.66M |
| 6 | ERII | Energy Recovery, Inc. | 782.93M | 0.89% | 296,708 | 135.19M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 471.54M | -1.44% | 393,472 | 218.51K |
| 8 | ARQ | Arq, Inc. | 155.83M | -2.41% | 186,072 | 117.95M |
| 9 | ZONE | CleanCore Solutions, Inc. | 73.78M | -5.54% | 1,330,814 | 2.61M |
| 10 | SCWO | 374Water Inc. | 54.67M | 0.94% | 317,598 | 1.91M |
| 11 | FTEK | Fuel Tech, Inc. | 43.19M | 2.96% | 176,177 | 24.71M |
| 12 | CLIR | ClearSign Technologies Corporation | 32.15M | -1.89% | 118,634 | 2.15M |
| 13 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 20.77M | -5.26% | 7,008 | - |
| 14 | LIQT | LiqTech International, Inc. | 17.14M | -7.77% | 5,499 | 16.79M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 15.11M | 5.21% | 20,607 | 5.69M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 9.84M | 1.08% | 5,071 | 14.01M |
| 17 | DEVS | DevvStream Corp. | 4.60M | -11.76% | 116,760 | 26.89K |
