| 1 | VLTO | Veralto Corporation | 22.49B | -0.24% | 3,372,887 | 5.50B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.81B | 3.27% | 1,877,730 | 1.70B |
| 3 | FSS | Federal Signal Corporation | 7.10B | 3.83% | 320,968 | 2.06B |
| 4 | CECO | CECO Environmental Corp. | 2.58B | 6.33% | 227,504 | 718.25M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.74B | 5.46% | 2,287,500 | 5.66M |
| 6 | ERII | Energy Recovery, Inc. | 819.48M | 2.38% | 304,415 | 135.19M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 390.36M | 11.22% | 511,976 | 218.51K |
| 8 | ARQ | Arq, Inc. | 150.28M | -0.28% | 308,038 | 117.95M |
| 9 | ZONE | CleanCore Solutions, Inc. | 58.52M | 19.24% | 1,179,654 | 2.61M |
| 10 | SCWO | 374Water Inc. | 52.30M | 5.82% | 98,844 | 1.91M |
| 11 | FTEK | Fuel Tech, Inc. | 42.88M | 9.52% | 169,052 | 24.71M |
| 12 | CLIR | ClearSign Technologies Corporation | 31.08M | 2.06% | 54,298 | 2.15M |
| 13 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 16.61M | -2.67% | 5,014 | - |
| 14 | LIQT | LiqTech International, Inc. | 15.40M | - | 1,318 | 16.79M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 14.40M | -6.29% | 17,778 | 5.69M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 9.06M | - | 961 | 14.01M |
| 17 | DEVS | DevvStream Corp. | 4.16M | 7.96% | 26,716 | 26.89K |
