| 1 | VLTO | Veralto Corporation | 22.98B | 0.61% | 1,594,892 | 5.50B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.56B | -0.16% | 768,630 | 1.70B |
| 3 | FSS | Federal Signal Corporation | 7.33B | 0.95% | 271,295 | 2.06B |
| 4 | CECO | CECO Environmental Corp. | 2.82B | 5.35% | 301,492 | 718.25M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.57B | -0.34% | 2,536,831 | 5.66M |
| 6 | ERII | Energy Recovery, Inc. | 826.36M | 1.50% | 309,262 | 135.19M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 363.47M | 2.35% | 180,566 | 218.51K |
| 8 | ARQ | Arq, Inc. | 153.27M | -0.83% | 410,884 | 117.95M |
| 9 | ZONE | CleanCore Solutions, Inc. | 54.74M | 10.64% | 907,478 | 3.42M |
| 10 | SCWO | 374Water Inc. | 48.24M | 8.37% | 48,391 | 1.91M |
| 11 | FTEK | Fuel Tech, Inc. | 39.15M | -0.79% | 127,588 | 24.71M |
| 12 | CLIR | ClearSign Technologies Corporation | 32.92M | 0.66% | 123,713 | 2.15M |
| 13 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 21.09M | 24.11% | 379,536 | - |
| 14 | LIQT | LiqTech International, Inc. | 17.42M | 7.10% | 971 | 16.79M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 14.35M | 1.17% | 30,091 | 5.69M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 9.06M | -0.82% | 3,697 | 14.01M |
| 17 | DEVS | DevvStream Corp. | 3.72M | -0.22% | 13,056 | 26.89K |
