| 1 | VLTO | Veralto Corporation | 25.16B | -0.17% | 1,277,511 | 5.45B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.83B | -1.60% | 726,162 | 1.66B |
| 3 | FSS | Federal Signal Corporation | 6.81B | -2.44% | 324,706 | 2.06B |
| 4 | CECO | CECO Environmental Corp. | 2.44B | 0.34% | 270,359 | 718.25M |
| 5 | PCT | PureCycle Technologies, Inc. | 2.11B | -2.42% | 3,390,036 | 5.66M |
| 6 | ERII | Energy Recovery, Inc. | 757.50M | -2.26% | 293,150 | 135.19M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 475.69M | 10.69% | 662,099 | 218.51K |
| 8 | ARQ | Arq, Inc. | 161.81M | 1.61% | 230,061 | 117.95M |
| 9 | ZONE | CleanCore Solutions, Inc. | 76.90M | -5.86% | 1,660,852 | 2.61M |
| 10 | SCWO | 374Water Inc. | 53.48M | 15.75% | 278,718 | 1.91M |
| 11 | FTEK | Fuel Tech, Inc. | 47.23M | -4.40% | 121,300 | 24.71M |
| 12 | CLIR | ClearSign Technologies Corporation | 37.08M | -3.09% | 31,796 | 2.15M |
| 13 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 22.23M | -3.93% | 13,513 | - |
| 14 | LIQT | LiqTech International, Inc. | 17.65M | 0.72% | 5,697 | 16.79M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 14.87M | -0.01% | 12,692 | 5.69M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 9.81M | 0.46% | 1,499 | 14.01M |
| 17 | DEVS | DevvStream Corp. | 4.47M | -6.42% | 77,845 | 26.89K |
