| 1 | VLTO | Veralto Corporation | 24.84B | 0.71% | 2,810,622 | 5.45B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.81B | -1.10% | 1,069,543 | 1.66B |
| 3 | FSS | Federal Signal Corporation | 6.66B | -1.54% | 383,254 | 2.06B |
| 4 | CECO | CECO Environmental Corp. | 2.02B | -7.09% | 372,115 | 718.25M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.34B | -4.97% | 4,297,687 | 5.66M |
| 6 | ERII | Energy Recovery, Inc. | 748.50M | -2.15% | 421,796 | 135.19M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 401.92M | -1.01% | 300,300 | 160.66K |
| 8 | ARQ | Arq, Inc. | 137.47M | -2.13% | 460,089 | 117.95M |
| 9 | ZONE | CleanCore Solutions, Inc. | 60.01M | 5.97% | 2,867,120 | 2.61M |
| 10 | FTEK | Fuel Tech, Inc. | 47.23M | - | 162,317 | 24.71M |
| 11 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 44.84M | -0.17% | 17,703 | - |
| 12 | SCWO | 374Water Inc. | 39.49M | -3.07% | 884,256 | 1.91M |
| 13 | CLIR | ClearSign Technologies Corporation | 29.39M | -6.49% | 216,682 | 2.15M |
| 14 | LIQT | LiqTech International, Inc. | 17.14M | -1.39% | 1,632 | 16.79M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 15.17M | -0.13% | 7,250 | 5.69M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 8.83M | 0.86% | 3,253 | 15.38M |
| 17 | DEVS | DevvStream Corp. | 5.72M | -8.59% | 99,558 | 26.89K |
