| Ticker | Company | Mkt Cap▼ | Price | Chg% | Volume |
|---|---|---|---|---|---|
| Donaldson Company, Inc. | $9.5b | $83.65 | -0.5% | 784.0K | |
| Amentum Holdings, Inc. | $5.7b | $22.78 | -2.2% | 1.6M | |
| Perimeter Solutions, Inc. | $5.3b | $30.16 | -1.1% | 934.1K | |
| Ceco Environmental Corp | $2.7b | $77.98 | -3.9% | 1.0M | |
| Ecovyst Inc. | $1.4b | $12.85 | -0.6% | 1.1M | |
| Flowco Holdings Inc. | $1.0b | $23.18 | -1.5% | 1.2M | |
| Montrose Environmental Group, Inc. | $0.8b | $22.14 | 0.0% | 343.7K | |
| Hudson Technologies Inc | $223.8m | $5.36 | -2.5% | 454.2K | |
| Perma-Fix Environmental Services, Inc. | $208.1m | $9.65 | -5.7% | 158.4K | |
| Bridger Aerospace Group Holdings, Inc. Common Stock | $134.9m | $1.90 | -7.6% | 856.6K | |
| Arq, Inc. Common Stock | $118.5m | $2.61 | -1.9% | 273.8K | |
| Fuel Tech, Inc. | $46.1m | $1.37 | -6.2% | 121.5K | |
| Birchtech Corp. | $45.2m | $1.92 | -9.9% | 106.7K | |
| ClearSign Technologies Corporation Common Stock (DE) | $25.1m | $3.87 | -9.6% | 9.5K | |
| TOMI Environmental Solutions, Inc. | $20.2m | $1.01 | -6.0% | 473.4K | |
| LiqTech International, Inc. | $10.9m | $0.89 | -26.4% | 1.6M | |
| Euro Tech Holdings Co Ltd. New | $9.0m | $1.24 | +6.5% | 12.4K | |
| JE Cleantech Holdings Limited Ordinary Shares | $7.2m | $1.41 | 0.0% | 13.1K | |
| CleanCore Solutions Inc. | $6.4m | $0.60 | -11.8% | 2.1M |