| | Cadiz Inc | Pollution & Treatment Controls | Industrials | 6.77 | 12.02 | 13.48 | 35.47 | -7.57 | -14.50 | 38.50 | 59.96 |
| | Ceco Environmental Corp | Pollution & Treatment Controls | Industrials | -4.72 | -13.47 | -34.55 | -38.33 | -24.26 | -3.48 | 84.93 | 217.26 |
| | Euro Tech Holdings Co Ltd | Pollution & Treatment Controls | Industrials | 2.27 | -6.90 | -10.30 | -18.18 | 8.00 | 10.66 | -11.76 | 2.40 |
| | Fuel Tech Inc | Pollution & Treatment Controls | Industrials | 1.48 | -2.14 | -16.97 | -14.38 | 2.24 | -52.26 | 33.01 | 34.31 |
| | Energy Recovery Inc | Pollution & Treatment Controls | Industrials | 0.15 | 0.45 | -1.76 | -20.57 | -39.33 | -62.62 | -62.64 | -62.99 |
| | ClearSign Technologies Corp | Pollution & Treatment Controls | Industrials | -5.71 | -3.75 | -34.75 | -31.04 | -55.23 | -75.67 | -72.98 | -75.16 |
| | TOMI Environmental Solutions Inc | Pollution & Treatment Controls | Industrials | 1.39 | -0.68 | 1.13 | -10.43 | -18.89 | -45.58 | -41.37 | -50.31 |
| | LiqTech International Inc | Pollution & Treatment Controls | Industrials | -4.67 | -11.54 | -51.45 | -48.44 | -84.27 | -86.15 | -83.12 | -90.87 |
| | PureCycle Technologies Inc | Pollution & Treatment Controls | Industrials | -0.36 | -9.77 | -46.21 | -53.91 | -61.69 | -78.92 | -74.91 | -36.03 |
| | PureCycle Technologies Inc Un | Pollution & Treatment Controls | Industrials | 0.00 | -26.75 | -44.24 | -38.38 | -77.29 | -68.19 | -73.28 | -47.81 |
| | Rain Enhancement Technologies Holdco Inc Cl A | Pollution & Treatment Controls | Industrials | -10.61 | -11.70 | -45.22 | -62.87 | -76.46 | -90.49 | -92.42 | -47.80 |
| | Cadiz Inc Dep. Pfd (Rep. 1/1000th Share Pfd A) | Pollution & Treatment Controls | Industrials | 3.02 | 5.11 | -4.28 | -6.64 | 6.22 | 12.04 | 65.82 | 72.09 |
| | PureCycle Technologies Inc Wt | Pollution & Treatment Controls | Industrials | 2.04 | -21.88 | -50.00 | -70.59 | -61.24 | -86.11 | -86.11 | -67.53 |
| | 374Water Inc | Pollution & Treatment Controls | Industrials | 2.16 | -2.88 | -23.13 | 11.85 | -18.34 | -51.55 | -87.84 | -85.78 |
| | Zurn Elkay Water Solutions Corp | Pollution & Treatment Controls | Industrials | -0.23 | 3.17 | 3.78 | 0.62 | -7.98 | 6.40 | 36.56 | 95.56 |
| | Zone Frontier Inc Cl B | Pollution & Treatment Controls | Industrials | -20.17 | -27.20 | -31.65 | -84.48 | -70.69 | -93.31 | -92.64 | -97.29 |
| | Veralto Corp | Pollution & Treatment Controls | Industrials | -0.54 | 3.26 | 8.81 | 14.02 | 17.50 | -0.26 | -5.29 | 46.68 |
| | Arq Inc | Pollution & Treatment Controls | Industrials | -1.13 | -2.23 | -14.22 | -14.22 | -23.91 | -74.49 | -69.67 | -47.13 |
| | Aduro Clean Technologies Inc | Pollution & Treatment Controls | Industrials | -2.98 | -1.76 | -22.95 | -29.71 | -17.06 | -32.01 | 129.88 | 129.88 |
| | Birchtech Corp | Pollution & Treatment Controls | Industrials | -0.88 | -4.24 | -34.68 | -25.17 | -25.66 | -67.36 | -68.17 | -68.17 |
| | Rain Enhancement Technologies Holdco Inc Wt | Pollution & Treatment Controls | Industrials | 0.00 | 0.00 | -2.27 | -2.72 | -27.59 | -13.89 | -54.49 | -54.49 |