| 1 | VLTO | Veralto Corporation | 24.74B | -2.49% | 1,519,747 | 5.45B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.76B | -1.02% | 683,868 | 1.66B |
| 3 | FSS | Federal Signal Corporation | 6.71B | -0.50% | 233,133 | 2.06B |
| 4 | CECO | CECO Environmental Corp. | 2.00B | 1.93% | 190,494 | 718.25M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.65B | -1.72% | 2,480,036 | 5.66M |
| 6 | ERII | Energy Recovery, Inc. | 768.10M | -1.49% | 441,310 | 135.19M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 434.72M | -5.40% | 240,294 | 160.66K |
| 8 | ARQ | Arq, Inc. | 157.11M | -2.39% | 249,592 | 117.95M |
| 9 | ZONE | CleanCore Solutions, Inc. | 64.26M | 7.15% | 4,422,132 | 2.61M |
| 10 | FTEK | Fuel Tech, Inc. | 55.93M | 6.51% | 357,130 | 24.71M |
| 11 | SCWO | 374Water Inc. | 45.44M | -0.48% | 961,007 | 1.91M |
| 12 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 41.50M | 0.18% | 10,605 | - |
| 13 | CLIR | ClearSign Technologies Corporation | 39.96M | -1.99% | 32,541 | 2.15M |
| 14 | LIQT | LiqTech International, Inc. | 19.25M | - | 459 | 16.79M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 16.73M | 3.68% | 1,347 | 5.69M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 8.76M | 4.55% | 18,172 | 15.38M |
| 17 | DEVS | DevvStream Corp. | 6.45M | -16.00% | 483,855 | 25.79K |
