| Ticker | Company | Mkt Cap▼ | Price | Chg% | Volume |
|---|---|---|---|---|---|
| Donaldson Company, Inc. | $9.6b | $88.96 | +1.1% | 1.1M | |
| Amentum Holdings, Inc. | $6.1b | $25.99 | -3.3% | 2.0M | |
| Perimeter Solutions, Inc. | $3.2b | $30.27 | -2.1% | 862.4K | |
| Ceco Environmental Corp | $2.0b | $64.89 | +0.1% | 404.9K | |
| Ecovyst Inc. | $1.4b | $13.82 | 0.0% | 1.5M | |
| Flowco Holdings Inc. | $0.8b | $24.06 | +1.9% | 349.8K | |
| Montrose Environmental Group, Inc. | $0.8b | $21.15 | +1.2% | 664.5K | |
| Hudson Technologies Inc | $242.9m | $6.29 | -0.9% | 155.9K | |
| ClearSign Technologies Corporation Common Stock (DE) | $208.3m | $5.03 | -2.6% | 5.7K | |
| Perma-Fix Environmental Services, Inc. | $192.9m | $12.77 | +0.4% | 117.9K | |
| Arq, Inc. Common Stock | $106.7m | $2.29 | -0.4% | 205.7K | |
| Bridger Aerospace Group Holdings, Inc. Common Stock | $96.2m | $2.13 | +1.4% | 768.0K | |
| Birchtech Corp. | $49.2m | $1.55 | +2.0% | 642.4K | |
| Fuel Tech, Inc. | $36.5m | $1.37 | +2.2% | 189.0K | |
| LiqTech International, Inc. | $18.6m | $2.37 | +11.3% | 21.1K | |
| TOMI Environmental Solutions, Inc. | $12.1m | $0.62 | +3.7% | 653.3K | |
| Euro Tech Holdings Co Ltd. New | $9.2m | $1.15 | -8.4% | 1.1K | |
| JE Cleantech Holdings Limited Ordinary Shares | $9.0m | $1.14 | +7.5% | 34.9K | |
| CleanCore Solutions Inc. | $2.9m | $0.31 | +1.7% | 1.2M |