| | Ceco Environmental Corp | Pollution & Treatment Controls | Industrials | 0.84 | 2.88 | 8.06 | 21.95 | 30.10 | 117.24 | 124.76 | 124.76 |
| | China Natural Resources Inc | Pollution & Treatment Controls | Industrials | -2.35 | -2.15 | -16.21 | -47.45 | -44.96 | -58.48 | -74.16 | -86.52 |
| | Euro Tech Holdings Co Ltd | Pollution & Treatment Controls | Industrials | 0.56 | -1.11 | 12.66 | 7.88 | 21.92 | 24.48 | 17.11 | -31.36 |
| | Federal Signal Corp | Pollution & Treatment Controls | Industrials | -1.10 | -0.84 | 3.92 | 8.36 | 26.34 | 66.16 | 169.38 | 108.68 |
| | Fuel Tech Inc | Pollution & Treatment Controls | Industrials | -0.82 | -7.36 | 10.00 | 7.56 | 15.24 | -8.33 | 2.54 | -39.50 |
| | Energy Recovery Inc | Pollution & Treatment Controls | Industrials | -0.35 | 1.01 | 2.48 | -13.23 | -27.70 | -42.29 | -18.80 | -21.96 |
| | ClearSign Technologies Corp | Pollution & Treatment Controls | Industrials | 0.00 | 2.50 | -7.51 | -17.17 | 1.12 | -37.88 | -33.33 | -79.60 |
| | TOMI Environmental Solutions Inc | Pollution & Treatment Controls | Industrials | -6.00 | 8.29 | 22.10 | -15.06 | -36.49 | 13.73 | -2.08 | -76.34 |
| | LiqTech International Inc | Pollution & Treatment Controls | Industrials | -2.96 | -10.27 | 2.34 | -24.28 | -28.22 | -22.02 | -37.02 | -95.51 |
| | Spectaire Holdings Inc | Pollution & Treatment Controls | Industrials | -3.72 | -0.91 | -33.10 | -66.97 | -74.76 | -89.23 | 431.91 | -23.55 |
| | PureCycle Technologies Inc | Pollution & Treatment Controls | Industrials | -4.46 | 5.33 | -1.34 | -9.03 | 23.86 | -22.00 | -37.70 | -62.91 |
| | PureCycle Technologies Inc Un | Pollution & Treatment Controls | Industrials | 0.00 | 0.00 | 1.36 | 83.09 | 16.72 | -7.89 | -32.09 | -78.66 |
| | PureCycle Technologies Inc Wt | Pollution & Treatment Controls | Industrials | -0.71 | 16.67 | -19.08 | -19.54 | -3.45 | -56.25 | -55.56 | -84.05 |
| | 374Water Inc | Pollution & Treatment Controls | Industrials | -6.47 | -10.34 | 7.44 | -6.47 | -0.76 | -53.07 | -52.73 | -40.91 |
| | Zurn Elkay Water Solutions Corp | Pollution & Treatment Controls | Industrials | -1.37 | -0.12 | 1.99 | 4.46 | 9.75 | 53.78 | 19.49 | -2.72 |
| | Atmus Filtration Technologies Inc | Pollution & Treatment Controls | Industrials | -1.40 | 0.07 | -6.22 | 31.98 | 45.14 | 39.91 | 39.91 | 39.91 |
| | CleanCore Solutions Inc Cl B | Pollution & Treatment Controls | Industrials | 2.95 | 10.09 | -0.29 | -0.29 | -0.29 | -0.29 | -0.29 | -0.29 |
| | Veralto Corp | Pollution & Treatment Controls | Industrials | -0.46 | 2.62 | 8.32 | 14.47 | 39.19 | 15.90 | 15.90 | 15.90 |
| | Spectaire Holdings Inc Wt | Pollution & Treatment Controls | Industrials | -14.04 | -34.35 | -50.00 | -23.08 | 35.14 | -40.00 | -40.00 | -40.00 |
| | Arq Inc | Pollution & Treatment Controls | Industrials | 3.86 | -0.92 | 4.58 | 112.71 | 127.49 | 127.49 | 127.49 | 127.49 |
