| 1 | VLTO | Veralto Corporation | 23.59B | 2.36% | 3,284,728 | 5.50B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.60B | -0.35% | 863,763 | 1.70B |
| 3 | FSS | Federal Signal Corporation | 7.25B | 0.64% | 256,903 | 2.06B |
| 4 | CECO | CECO Environmental Corp. | 2.72B | 3.66% | 293,762 | 718.25M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.63B | -3.62% | 3,820,578 | 5.66M |
| 6 | ERII | Energy Recovery, Inc. | 817.89M | -0.96% | 246,281 | 135.19M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 382.79M | -0.78% | 250,269 | 218.51K |
| 8 | ARQ | Arq, Inc. | 162.02M | -1.43% | 206,085 | 117.95M |
| 9 | ZONE | CleanCore Solutions, Inc. | 51.54M | 0.23% | 606,683 | 2.61M |
| 10 | SCWO | 374Water Inc. | 45.70M | -5.26% | 83,632 | 1.91M |
| 11 | FTEK | Fuel Tech, Inc. | 41.33M | -1.48% | 233,819 | 24.71M |
| 12 | CLIR | ClearSign Technologies Corporation | 31.50M | -4.21% | 84,356 | 2.15M |
| 13 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 16.61M | -0.27% | 18,670 | - |
| 14 | LIQT | LiqTech International, Inc. | 15.60M | 5.19% | 1,889 | 16.79M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 14.16M | -0.31% | 12,758 | 5.69M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 8.98M | 3.48% | 4,829 | 14.01M |
| 17 | DEVS | DevvStream Corp. | 3.99M | -3.15% | 16,863 | 26.89K |
