| 1 | VLTO | Veralto Corporation | 25.26B | 1.43% | 1,108,105 | 5.45B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.68B | -0.65% | 1,479,261 | 1.66B |
| 3 | FSS | Federal Signal Corporation | 7.05B | 1.90% | 221,965 | 2.06B |
| 4 | CECO | CECO Environmental Corp. | 2.17B | 3.26% | 174,207 | 718.25M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.83B | 12.86% | 5,226,656 | 5.66M |
| 6 | ERII | Energy Recovery, Inc. | 764.92M | 2.70% | 215,996 | 135.19M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 444.13M | 10.68% | 786,892 | 160.66K |
| 8 | ARQ | Arq, Inc. | 156.26M | 2.81% | 262,882 | 117.95M |
| 9 | ZONE | CleanCore Solutions, Inc. | 69.61M | 1.14% | 1,446,235 | 2.61M |
| 10 | FTEK | Fuel Tech, Inc. | 50.34M | - | 72,975 | 24.71M |
| 11 | SCWO | 374Water Inc. | 41.64M | 0.41% | 83,964 | 1.91M |
| 12 | CLIR | ClearSign Technologies Corporation | 38.84M | -5.02% | 125,084 | 2.15M |
| 13 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 29.74M | 2.35% | 12,413 | - |
| 14 | LIQT | LiqTech International, Inc. | 16.99M | -1.94% | 1,734 | 16.79M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 16.20M | 2.31% | 8,154 | 5.69M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 9.43M | 2.45% | 2,296 | 14.01M |
| 17 | DEVS | DevvStream Corp. | 6.04M | -2.13% | 40,670 | 26.89K |
