| 1 | VLTO | Veralto Corporation | 25.20B | -0.42% | 1,577,074 | 5.45B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.96B | 1.65% | 821,271 | 1.66B |
| 3 | FSS | Federal Signal Corporation | 6.98B | 0.17% | 202,405 | 2.06B |
| 4 | CECO | CECO Environmental Corp. | 2.43B | 2.45% | 273,500 | 718.25M |
| 5 | PCT | PureCycle Technologies, Inc. | 2.16B | 5.45% | 4,399,617 | 5.66M |
| 6 | ERII | Energy Recovery, Inc. | 774.98M | 1.46% | 286,335 | 135.19M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 439.62M | -1.87% | 385,273 | 218.51K |
| 8 | ARQ | Arq, Inc. | 159.25M | 1.63% | 347,941 | 117.95M |
| 9 | ZONE | CleanCore Solutions, Inc. | 81.69M | 2.94% | 1,927,209 | 2.61M |
| 10 | FTEK | Fuel Tech, Inc. | 49.41M | 2.58% | 28,734 | 24.71M |
| 11 | SCWO | 374Water Inc. | 46.20M | 4.20% | 144,602 | 1.91M |
| 12 | CLIR | ClearSign Technologies Corporation | 38.26M | 5.22% | 237,983 | 2.15M |
| 13 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 23.14M | -2.87% | 25,948 | - |
| 14 | LIQT | LiqTech International, Inc. | 17.52M | 1.68% | 457 | 16.79M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 14.87M | -3.40% | 27,167 | 5.69M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 9.77M | 0.96% | 4,539 | 14.01M |
| 17 | DEVS | DevvStream Corp. | 4.77M | 6.86% | 84,030 | 26.89K |
