| 1 | VLTO | Veralto Corporation | 21.71B | 2.96% | 2,847,566 | 5.50B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.51B | 2.61% | 1,015,206 | 1.70B |
| 3 | FSS | Federal Signal Corporation | 6.58B | 3.22% | 466,903 | 2.18B |
| 4 | CECO | CECO Environmental Corp. | 2.12B | 4.49% | 722,672 | 774.38M |
| 5 | PCT | PureCycle Technologies, Inc. | 937.96M | 2.57% | 4,774,431 | 8.36M |
| 6 | ERII | Energy Recovery, Inc. | 531.98M | 2.65% | 871,971 | 134.99M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 348.41M | 14.15% | 323,966 | 218.51K |
| 8 | ARQ | Arq, Inc. | 109.69M | 2.81% | 497,105 | 120.34M |
| 9 | ZONE | CleanCore Solutions, Inc. | 75.02M | -0.56% | 1,398,466 | 3.42M |
| 10 | BCHT | Birchtech Corp. | 49.98M | 1.60% | 110,762 | 19.40M |
| 11 | SCWO | 374Water Inc. | 48.07M | 3.27% | 44,224 | 1.91M |
| 12 | FTEK | Fuel Tech, Inc. | 37.46M | 2.52% | 148,563 | 26.68M |
| 13 | CLIR | ClearSign Technologies Corporation | 23.38M | 13.25% | 11,129 | 2.15M |
| 14 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 19.27M | -5.93% | 5,205 | - |
| 15 | LIQT | LiqTech International, Inc. | 19.00M | 2.14% | 16,495 | 16.51M |
| 16 | TOMZ | TOMI Environmental Solutions, Inc. | 11.19M | -7.45% | 94,423 | 5.69M |
| 17 | CLWT | Euro Tech Holdings Company Limited | 8.83M | -4.07% | 2,011 | 14.01M |
| 18 | DEVS | DevvStream Corp. | 2.93M | -4.23% | 54,582 | 33.94K |
