| Ceco Environmental Corp | Pollution & Treatment Controls | Industrials | 3.84 | 15.29 | 19.79 | 14.12 | 25.19 | 57.51 | 174.13 | 178.26 |
| China Natural Resources Inc | Pollution & Treatment Controls | Industrials | -2.43 | -1.50 | -15.76 | 0.05 | -36.01 | -62.70 | -69.25 | -88.11 |
| Euro Tech Holdings Co Ltd | Pollution & Treatment Controls | Industrials | -1.38 | -0.69 | -7.74 | -7.74 | -15.43 | 2.52 | 1.82 | -38.12 |
| Federal Signal Corp | Pollution & Treatment Controls | Industrials | 1.11 | 7.35 | 12.96 | 3.80 | 10.79 | 38.58 | 98.06 | 110.65 |
| Fuel Tech Inc | Pollution & Treatment Controls | Industrials | -6.96 | 3.88 | 2.88 | 7.14 | -7.76 | 2.88 | -15.08 | -43.39 |
| Energy Recovery Inc | Pollution & Treatment Controls | Industrials | 1.09 | -15.73 | -12.17 | -10.94 | 13.59 | -18.43 | -26.61 | -33.45 |
| ClearSign Technologies Corp | Pollution & Treatment Controls | Industrials | 4.42 | 37.21 | 43.52 | 67.07 | 56.27 | 6.31 | 61.64 | -45.87 |
| TOMI Environmental Solutions Inc | Pollution & Treatment Controls | Industrials | -3.22 | -4.51 | -15.08 | -25.47 | 2.31 | -33.85 | 12.66 | -37.30 |
| LiqTech International Inc | Pollution & Treatment Controls | Industrials | 1.83 | 9.15 | -24.09 | -39.71 | -38.15 | -52.01 | -47.81 | -96.02 |
| PureCycle Technologies Inc | Pollution & Treatment Controls | Industrials | 2.05 | 8.06 | 6.61 | 104.63 | 122.16 | 207.08 | 82.70 | -12.66 |
| PureCycle Technologies Inc Un | Pollution & Treatment Controls | Industrials | 0.00 | -12.66 | 12.00 | 92.84 | 59.09 | 177.78 | 64.90 | -17.65 |
| PureCycle Technologies Inc Wt | Pollution & Treatment Controls | Industrials | -2.84 | 5.13 | 17.14 | 173.33 | 185.71 | 173.33 | 46.43 | -23.51 |
| 374Water Inc | Pollution & Treatment Controls | Industrials | -0.98 | -1.94 | -45.70 | -5.61 | -22.01 | -12.17 | -69.39 | -56.84 |
| Zurn Elkay Water Solutions Corp | Pollution & Treatment Controls | Industrials | 1.47 | 3.10 | 9.87 | 27.35 | 24.82 | 33.44 | 65.09 | 10.53 |
| Atmus Filtration Technologies Inc | Pollution & Treatment Controls | Industrials | 1.67 | 2.87 | 16.40 | 33.60 | 49.36 | 106.05 | 106.14 | 106.14 |
| CleanCore Solutions Inc Cl B | Pollution & Treatment Controls | Industrials | 6.67 | -24.17 | 1.27 | -4.76 | -48.39 | -54.29 | -54.29 | -54.29 |
| Veralto Corp | Pollution & Treatment Controls | Industrials | 0.38 | 3.63 | -4.81 | -3.91 | 5.79 | 46.45 | 25.49 | 25.49 |
| Arq Inc | Pollution & Treatment Controls | Industrials | 3.83 | 14.08 | 35.28 | 21.11 | 12.45 | 137.46 | 137.46 | 137.46 |
| Aduro Clean Technologies Inc | Pollution & Treatment Controls | Industrials | -0.72 | -6.14 | 29.41 | 29.41 | 29.41 | 29.41 | 29.41 | 29.41 |
| DevvStream Corp | Pollution & Treatment Controls | Industrials | 9.26 | -37.59 | -48.25 | -48.25 | -48.25 | -48.25 | -48.25 | -48.25 |