| 1 | VLTO | Veralto Corporation | 25.81B | 5.93% | 2,780,560 | 5.45B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.04B | 1.54% | 592,840 | 1.66B |
| 3 | FSS | Federal Signal Corporation | 6.79B | 1.16% | 257,754 | 2.06B |
| 4 | CECO | CECO Environmental Corp. | 1.84B | 0.14% | 203,731 | 718.25M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.51B | 0.24% | 5,096,493 | 5.66M |
| 6 | ERII | Energy Recovery, Inc. | 754.59M | 2.63% | 470,283 | 135.19M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 389.07M | -2.67% | 547,372 | 160.66K |
| 8 | ARQ | Arq, Inc. | 154.12M | 2.85% | 345,405 | 117.95M |
| 9 | ZONE | CleanCore Solutions, Inc. | 74.12M | -1.81% | 4,803,643 | 2.61M |
| 10 | FTEK | Fuel Tech, Inc. | 55.62M | 1.13% | 50,541 | 24.71M |
| 11 | SCWO | 374Water Inc. | 45.17M | 9.12% | 738,495 | 1.91M |
| 12 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 42.03M | 14.46% | 40,273 | - |
| 13 | CLIR | ClearSign Technologies Corporation | 40.15M | -3.04% | 200,225 | 2.15M |
| 14 | LIQT | LiqTech International, Inc. | 19.64M | 3.03% | 7,492 | 16.79M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 16.32M | 3.22% | 11,677 | 5.69M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 8.15M | 3.88% | 52,088 | 15.38M |
| 17 | DEVS | DevvStream Corp. | 5.84M | 7.04% | 10,251 | 25.79K |
