| 1 | VLTO | Veralto Corporation | 25.48B | 0.81% | 206,770 | 5.45B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.03B | 0.33% | 88,661 | 1.66B |
| 3 | FSS | Federal Signal Corporation | 6.80B | -0.23% | 27,845 | 2.06B |
| 4 | CECO | CECO Environmental Corp. | 1.90B | 2.07% | 31,665 | 718.25M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.51B | 0.84% | 646,234 | 5.66M |
| 6 | ERII | Energy Recovery, Inc. | 784.52M | 2.63% | 76,622 | 135.19M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 368.30M | 14.93% | 179,531 | 160.66K |
| 8 | ARQ | Arq, Inc. | 162.24M | -0.52% | 30,729 | 117.95M |
| 9 | FTEK | Fuel Tech, Inc. | 54.69M | -0.56% | 32,135 | 24.71M |
| 10 | ZONE | CleanCore Solutions, Inc. | 54.31M | -1.32% | 1,007,280 | 2.61M |
| 11 | SCWO | 374Water Inc. | 46.20M | 1.41% | 212,691 | 1.91M |
| 12 | CLIR | ClearSign Technologies Corporation | 39.42M | 3.05% | 13,394 | 2.15M |
| 13 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 37.40M | -5.01% | 604 | - |
| 14 | LIQT | LiqTech International, Inc. | 17.04M | -4.32% | 19,569 | 16.79M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 15.78M | -0.63% | 574 | 5.69M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 8.38M | 3.77% | 8,681 | 15.38M |
| 17 | DEVS | DevvStream Corp. | 6.91M | -5.76% | 1,431,189 | 25.79K |
