| 1 | VLTO | Veralto Corporation | 23.90B | 0.89% | 1,479,794 | 5.70B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.60B | -1.74% | 859,123 | 1.79B |
| 3 | CECO | CECO Environmental Corp. | 4.01B | -0.74% | 541,207 | 803.60M |
| 4 | PCT | PureCycle Technologies, Inc. | 1.36B | - | 6,839,434 | 13.76M |
| 5 | ADUR | Aduro Clean Technologies Inc. | 543.04M | -0.84% | 276,789 | 177.37K |
| 6 | ERII | Energy Recovery, Inc. | 449.99M | -1.47% | 1,334,062 | 120.57M |
| 7 | ARQ | Arq, Inc. | 90.57M | 2.93% | 196,821 | 122.14M |
| 8 | ZONE | CleanCore Solutions, Inc. | 83.23M | 22.55% | 6,074,395 | 3.41M |
| 9 | FTEK | Fuel Tech, Inc. | 42.70M | -5.52% | 224,329 | 27.30M |
| 10 | SCWO | 374Water Inc. | 39.01M | -1.11% | 19,772 | 223.09K |
| 11 | BCHT | Birchtech Corp. | 36.57M | 0.72% | 75,530 | 18.65M |
| 12 | CLIR | ClearSign Technologies Corporation | 26.14M | -1.29% | 9,955 | 5.02M |
| 13 | LIQT | LiqTech International, Inc. | 18.27M | -7.56% | 101,908 | 16.03M |
| 14 | TOMZ | TOMI Environmental Solutions, Inc. | 14.30M | -3.66% | 5,879 | 5.71M |
| 15 | CLWT | Euro Tech Holdings Company Limited | 11.19M | 1.34% | 10,410 | 13.27M |
| 16 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 10.40M | 0.79% | 659,749 | 10.50K |
