| 1 | VLTO | Veralto Corporation | 24.78B | -1.31% | 866,172 | 5.45B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.78B | -1.75% | 544,655 | 1.66B |
| 3 | FSS | Federal Signal Corporation | 6.60B | -0.87% | 331,734 | 2.06B |
| 4 | CECO | CECO Environmental Corp. | 2.13B | -0.37% | 266,642 | 718.25M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.55B | -0.23% | 3,995,467 | 5.66M |
| 6 | ERII | Energy Recovery, Inc. | 714.59M | 0.07% | 512,396 | 135.19M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 340.83M | -3.99% | 314,543 | 160.66K |
| 8 | ARQ | Arq, Inc. | 139.61M | 1.24% | 362,300 | 117.95M |
| 9 | ZONE | CleanCore Solutions, Inc. | 52.34M | 0.78% | 1,467,407 | 2.61M |
| 10 | FTEK | Fuel Tech, Inc. | 48.48M | 1.96% | 186,102 | 24.71M |
| 11 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 44.31M | -28.17% | 142,871 | - |
| 12 | SCWO | 374Water Inc. | 34.53M | -2.86% | 304,090 | 1.91M |
| 13 | CLIR | ClearSign Technologies Corporation | 29.63M | 0.02% | 134,120 | 2.15M |
| 14 | TOMZ | TOMI Environmental Solutions, Inc. | 15.78M | 4.63% | 23,634 | 5.69M |
| 15 | LIQT | LiqTech International, Inc. | 14.06M | 0.69% | 2,342 | 16.79M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 9.06M | -2.44% | 2,261 | 14.01M |
| 17 | DEVS | DevvStream Corp. | 6.00M | -9.27% | 148,280 | 26.89K |
