| 374Water Inc | Pollution & Treatment Controls | Industrials | -7.95 | -10.25 | -33.50 | -58.97 | -85.39 | -79.23 | -93.40 | -92.38 |
| LiqTech International Inc | Pollution & Treatment Controls | Industrials | -1.99 | -7.50 | 4.23 | -17.32 | -40.08 | -42.19 | -58.89 | -90.89 |
| China Natural Resources Inc | Pollution & Treatment Controls | Industrials | -3.94 | -5.84 | -17.39 | -17.40 | -37.15 | -57.59 | -80.22 | -89.18 |
| DevvStream Corp | Pollution & Treatment Controls | Industrials | -5.70 | 9.18 | -39.54 | -66.46 | -80.04 | -80.04 | -80.04 | -80.04 |
| CleanCore Solutions Inc Cl B | Pollution & Treatment Controls | Industrials | 1.42 | 6.44 | -6.52 | -14.00 | -16.67 | -69.29 | -69.29 | -69.29 |
| PureCycle Technologies Inc Wt | Pollution & Treatment Controls | Industrials | -7.14 | 0.00 | -31.58 | -53.57 | -59.50 | -25.71 | -52.38 | -63.59 |
| Rain Enhancement Technologies Holdco Inc Wt | Pollution & Treatment Controls | Industrials | 36.22 | 39.90 | 55.44 | 7.61 | -60.03 | -60.03 | -60.03 | -60.03 |
| ClearSign Technologies Corp | Pollution & Treatment Controls | Industrials | -4.88 | -6.45 | -28.05 | -56.49 | -33.96 | -36.69 | -33.38 | -58.73 |
| Rain Enhancement Technologies Holdco Inc Cl A | Pollution & Treatment Controls | Industrials | 6.64 | 18.26 | 44.30 | -27.21 | -61.85 | -61.85 | -62.57 | -41.61 |
| PureCycle Technologies Inc Un | Pollution & Treatment Controls | Industrials | 0.00 | 0.00 | -26.47 | -40.50 | -40.50 | -4.42 | -11.96 | -35.09 |
| Fuel Tech Inc | Pollution & Treatment Controls | Industrials | 1.24 | 2.54 | 2.52 | -2.03 | -2.51 | -10.05 | -18.89 | -32.23 |
| PureCycle Technologies Inc | Pollution & Treatment Controls | Industrials | -3.93 | -6.00 | -18.10 | -35.07 | -40.62 | 17.27 | 0.16 | -30.73 |
| Energy Recovery Inc | Pollution & Treatment Controls | Industrials | -1.39 | -2.11 | -5.89 | 3.62 | -17.07 | 8.54 | -38.43 | -25.50 |
| Euro Tech Holdings Co Ltd | Pollution & Treatment Controls | Industrials | -1.71 | 5.50 | -14.81 | -17.21 | -22.82 | -23.81 | 6.52 | -23.07 |
| Zurn Elkay Water Solutions Corp | Pollution & Treatment Controls | Industrials | 0.51 | -1.89 | -11.59 | -21.54 | -20.52 | -5.54 | 45.50 | -10.19 |
| TOMI Environmental Solutions Inc | Pollution & Treatment Controls | Industrials | 3.20 | 3.09 | 0.41 | -27.28 | 5.60 | 38.53 | 8.83 | 2.55 |
| Aduro Clean Technologies Inc | Pollution & Treatment Controls | Industrials | -2.42 | -1.56 | -16.10 | -16.89 | 4.24 | 4.24 | 4.24 | 4.24 |
| Veralto Corp | Pollution & Treatment Controls | Industrials | -0.81 | -1.98 | -9.16 | -14.05 | -20.43 | -1.33 | 5.58 | 5.58 |
| Arq Inc | Pollution & Treatment Controls | Industrials | -4.22 | -2.16 | -24.38 | -44.33 | -34.71 | -49.58 | 9.67 | 9.67 |
| Atmus Filtration Technologies Inc | Pollution & Treatment Controls | Industrials | -1.34 | -6.64 | -10.25 | -20.43 | -16.78 | 3.22 | 54.00 | 54.00 |
| Ceco Environmental Corp | Pollution & Treatment Controls | Industrials | -3.76 | -4.78 | -16.17 | -38.72 | -25.88 | -15.96 | 48.12 | 74.80 |
| Federal Signal Corp | Pollution & Treatment Controls | Industrials | -0.73 | -2.09 | -4.31 | -23.21 | -19.56 | -9.38 | 46.73 | 129.64 |