| Ceco Environmental Corp | Pollution & Treatment Controls | Industrials | 6.49 | 27.15 | 4.34 | -17.77 | -3.25 | 10.04 | 102.12 | 111.09 |
| China Natural Resources Inc | Pollution & Treatment Controls | Industrials | 1.46 | 0.12 | -0.61 | -8.53 | -16.45 | -44.29 | -82.30 | -84.85 |
| Euro Tech Holdings Co Ltd | Pollution & Treatment Controls | Industrials | -4.72 | -8.86 | 0.34 | -16.51 | -29.44 | -27.08 | -34.21 | -19.38 |
| Federal Signal Corp | Pollution & Treatment Controls | Industrials | 7.63 | 7.91 | 10.71 | -17.54 | -3.65 | 0.74 | 59.02 | 141.40 |
| Fuel Tech Inc | Pollution & Treatment Controls | Industrials | 0.00 | -1.94 | -8.48 | -3.52 | -6.70 | -23.73 | -21.23 | -28.28 |
| Energy Recovery Inc | Pollution & Treatment Controls | Industrials | 0.32 | 4.67 | -2.77 | 6.11 | -13.49 | 3.69 | -30.09 | -17.47 |
| ClearSign Technologies Corp | Pollution & Treatment Controls | Industrials | 9.05 | 1.84 | -20.99 | -51.43 | -28.62 | -25.00 | -41.90 | -55.44 |
| TOMI Environmental Solutions Inc | Pollution & Treatment Controls | Industrials | 0.88 | 4.21 | -4.41 | -20.44 | -17.33 | 28.49 | 13.73 | 3.13 |
| LiqTech International Inc | Pollution & Treatment Controls | Industrials | -6.91 | -5.29 | -0.67 | -20.85 | -16.38 | -45.39 | -52.56 | -87.24 |
| PureCycle Technologies Inc | Pollution & Treatment Controls | Industrials | -3.59 | 6.51 | -3.03 | -29.07 | -50.22 | 43.68 | 8.40 | -12.63 |
| PureCycle Technologies Inc Un | Pollution & Treatment Controls | Industrials | 12.22 | 19.21 | 20.60 | -27.01 | -45.45 | 2.27 | 9.09 | -8.07 |
| Rain Enhancement Technologies Holdco Inc Cl A | Pollution & Treatment Controls | Industrials | 23.81 | 58.42 | 123.23 | 14.51 | -39.45 | -39.45 | -39.78 | 9.68 |
| PureCycle Technologies Inc Wt | Pollution & Treatment Controls | Industrials | 0.00 | 4.48 | -9.68 | -57.70 | -71.94 | -0.71 | -49.09 | -50.53 |
| 374Water Inc | Pollution & Treatment Controls | Industrials | 17.50 | 16.50 | -3.24 | -41.12 | -79.82 | -77.92 | -88.69 | -88.58 |
| Zurn Elkay Water Solutions Corp | Pollution & Treatment Controls | Industrials | -0.61 | 4.01 | 2.97 | -13.37 | -4.72 | 9.90 | 60.63 | 13.80 |
| Atmus Filtration Technologies Inc | Pollution & Treatment Controls | Industrials | 0.70 | 4.11 | -5.61 | -19.02 | -10.92 | 14.94 | 60.82 | 60.82 |
| CleanCore Solutions Inc Cl B | Pollution & Treatment Controls | Industrials | 3.32 | 10.24 | 47.49 | 30.09 | 0.00 | -54.84 | -60.00 | -60.00 |
| Veralto Corp | Pollution & Treatment Controls | Industrials | 3.02 | 5.91 | -1.59 | -7.55 | -6.90 | 2.78 | 13.35 | 13.35 |
| Arq Inc | Pollution & Treatment Controls | Industrials | 0.53 | 4.99 | -9.11 | -39.75 | -36.94 | -51.16 | 14.50 | 14.50 |
| Aduro Clean Technologies Inc | Pollution & Treatment Controls | Industrials | 10.63 | 26.40 | 6.71 | -10.73 | 27.29 | 27.29 | 27.29 | 27.29 |
| DevvStream Corp | Pollution & Treatment Controls | Industrials | -2.18 | 6.45 | -2.37 | -64.77 | -80.53 | -80.53 | -80.53 | -80.53 |
| Rain Enhancement Technologies Holdco Inc Wt | Pollution & Treatment Controls | Industrials | 0.18 | 69.96 | 93.52 | 53.42 | -51.34 | -51.34 | -51.34 | -51.34 |