EVX additions & removals
Changes are observation-bounded: an addition is the first retained official snapshot containing a security after an earlier absence; a removal is its first retained absence. Baseline holdings receive no invented addition date.
Additions
| Ticker | Issuer | Observed date | Change |
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| Xylem Inc/NY | Xylem Inc/NY | 2025-12-31 | Added / first present |
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| Advanced Drainage Systems Inc | Advanced Drainage Systems Inc | 2025-12-31 | Added / first present |
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| Federal Signal Corp | Federal Signal Corp | 2025-12-31 | Added / first present |
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| Core & Main Inc | Core & Main Inc | 2025-12-31 | Added / first present |
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| State Street Global Advisors | State Street Global Advisors | 2024-09-30 | Added / first present |
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| Perma-Fix Environmental Services Inc | Perma-Fix Environmental Services Inc | 2024-06-30 | Added / first present |
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| PureCycle Technologies Inc | PureCycle Technologies Inc | 2024-06-30 | Added / first present |
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| Veralto Corp | Veralto Corp | 2023-12-31 | Added / first present |
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| LanzaTech Global Inc | LanzaTech Global Inc | 2023-09-30 | Added / first present |
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| Perma-Fix Environmental Services Inc | Perma-Fix Environmental Services Inc | 2023-06-30 | Added / first present |
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| LanzaTech Global Inc | LanzaTech Global Inc | 2023-03-31 | Added / first present |
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| CECO Environmental Corp | CECO Environmental Corp | 2022-09-30 | Added / first present |
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| Li-Cycle Holdings Corp | Li-Cycle Holdings Corp | 2022-09-30 | Added / first present |
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| Vertex Energy Inc | Vertex Energy Inc | 2021-12-31 | Added / first present |
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| Aris Water Solution Inc | Aris Water Solution Inc | 2021-12-31 | Added / first present |
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| Montrose Environmental Group Inc | Montrose Environmental Group Inc | 2021-09-30 | Added / first present |
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| PureCycle Technologies Inc | PureCycle Technologies Inc | 2021-06-30 | Added / first present |
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| State Street Global Advisors | State Street Global Advisors | 2021-03-31 | Added / first present |
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| Loop Industries Inc | Loop Industries Inc | 2021-03-31 | Added / first present |
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| Advanced Emissions Solutions Inc | Advanced Emissions Solutions Inc | 2020-12-31 | Added / first present |
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| Ecolab Inc | Ecolab Inc | 2020-09-30 | Added / first present |
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| Sharps Compliance Corp | Sharps Compliance Corp | 2020-06-30 | Added / first present |
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| GFL Environmental Inc | GFL Environmental Inc | 2020-06-30 | Added / first present |
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| Waste Management Inc | Waste Management Inc | 2019-12-31 | Added / first present |
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| Waste Connections Inc | Waste Connections Inc | 2019-12-31 | Added / first present |
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| Republic Services Inc | Republic Services Inc | 2019-12-31 | Added / first present |
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| State Street Global Advisors | State Street Global Advisors | 2019-12-31 | Added / first present |
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| Casella Waste Systems Inc | Casella Waste Systems Inc | 2019-12-31 | Added / first present |
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| Donaldson Co Inc | Donaldson Co Inc | 2019-12-31 | Added / first present |
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| Tetra Tech Inc | Tetra Tech Inc | 2019-12-31 | Added / first present |
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| Evoqua Water Technologies Corp | Evoqua Water Technologies Corp | 2019-12-31 | Added / first present |
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| Energy Recovery Inc | Energy Recovery Inc | 2019-12-31 | Added / first present |
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| Darling Ingredients Inc | Darling Ingredients Inc | 2019-12-31 | Added / first present |
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| Tennant Co | Tennant Co | 2019-12-31 | Added / first present |
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| ABM Industries Inc | ABM Industries Inc | 2019-12-31 | Added / first present |
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| Newpark Resources Inc | Newpark Resources Inc | 2019-12-31 | Added / first present |
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| Schnitzer Steel Industries Inc | Schnitzer Steel Industries Inc | 2019-12-31 | Added / first present |
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| Covanta Holding Corp | Covanta Holding Corp | 2019-12-31 | Added / first present |
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| Advanced Emissions Solutions Inc | Advanced Emissions Solutions Inc | 2019-12-31 | Added / first present |
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| Cantel Medical Corp | Cantel Medical Corp | 2019-12-31 | Added / first present |
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| Stericycle Inc | Stericycle Inc | 2019-12-31 | Added / first present |
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| Clean Harbors Inc | Clean Harbors Inc | 2019-12-31 | Added / first present |
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| Loop Industries Inc | Loop Industries Inc | 2019-12-31 | Added / first present |
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| Tenneco Inc | Tenneco Inc | 2019-12-31 | Added / first present |
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| Heritage-Crystal Clean Inc | Heritage-Crystal Clean Inc | 2019-12-31 | Added / first present |
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| Advanced Disposal Services Inc | Advanced Disposal Services Inc | 2019-12-31 | Added / first present |
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| LiqTech International Inc | LiqTech International Inc | 2019-12-31 | Added / first present |
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| US Ecology Inc | US Ecology Inc | 2019-12-31 | Added / first present |
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Removals
| Ticker | Issuer | Observed date | Change |
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| Perma-Fix Environmental Services Inc | Perma-Fix Environmental Services Inc | 2025-12-31 | Removed / first absent |
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| LanzaTech Global Inc | LanzaTech Global Inc | 2024-03-31 | Removed / first absent |
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| Perma-Fix Environmental Services Inc | Perma-Fix Environmental Services Inc | 2023-09-30 | Removed / first absent |
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| LanzaTech Global Inc | LanzaTech Global Inc | 2023-06-30 | Removed / first absent |
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| CECO Environmental Corp | CECO Environmental Corp | 2025-12-31 | Removed / first absent |
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| Li-Cycle Holdings Corp | Li-Cycle Holdings Corp | 2023-12-31 | Removed / first absent |
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| Vertex Energy Inc | Vertex Energy Inc | 2024-03-31 | Removed / first absent |
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| Aris Water Solution Inc | Aris Water Solution Inc | 2025-12-31 | Removed / first absent |
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| Montrose Environmental Group Inc | Montrose Environmental Group Inc | 2025-12-31 | Removed / first absent |
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| PureCycle Technologies Inc | PureCycle Technologies Inc | 2024-03-31 | Removed / first absent |
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| State Street Global Advisors | State Street Global Advisors | 2024-06-30 | Removed / first absent |
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| Loop Industries Inc | Loop Industries Inc | 2022-06-30 | Removed / first absent |
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| Advanced Emissions Solutions Inc | Advanced Emissions Solutions Inc | 2022-03-31 | Removed / first absent |
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| Sharps Compliance Corp | Sharps Compliance Corp | 2022-03-31 | Removed / first absent |
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| State Street Global Advisors | State Street Global Advisors | 2020-09-30 | Removed / first absent |
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| Evoqua Water Technologies Corp | Evoqua Water Technologies Corp | 2023-06-30 | Removed / first absent |
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| Energy Recovery Inc | Energy Recovery Inc | 2026-03-31 | Removed / first absent |
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| Tennant Co | Tennant Co | 2025-12-31 | Removed / first absent |
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| ABM Industries Inc | ABM Industries Inc | 2025-12-31 | Removed / first absent |
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| Newpark Resources Inc | Newpark Resources Inc | 2020-03-31 | Removed / first absent |
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| Schnitzer Steel Industries Inc | Schnitzer Steel Industries Inc | 2025-09-30 | Removed / first absent |
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| Covanta Holding Corp | Covanta Holding Corp | 2021-12-31 | Removed / first absent |
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| Advanced Emissions Solutions Inc | Advanced Emissions Solutions Inc | 2020-09-30 | Removed / first absent |
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| Cantel Medical Corp | Cantel Medical Corp | 2021-06-30 | Removed / first absent |
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| Stericycle Inc | Stericycle Inc | 2024-12-31 | Removed / first absent |
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| Loop Industries Inc | Loop Industries Inc | 2020-03-31 | Removed / first absent |
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| Tenneco Inc | Tenneco Inc | 2020-06-30 | Removed / first absent |
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| Heritage-Crystal Clean Inc | Heritage-Crystal Clean Inc | 2023-12-31 | Removed / first absent |
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| Advanced Disposal Services Inc | Advanced Disposal Services Inc | 2020-09-30 | Removed / first absent |
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| LiqTech International Inc | LiqTech International Inc | 2020-03-31 | Removed / first absent |
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| US Ecology Inc | US Ecology Inc | 2022-06-30 | Removed / first absent |
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| ECOL | US Ecology Inc | 2019-12-31 | Removed / first absent |
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| CVA | COVANTA HOLDING CORP | 2019-12-31 | Removed / first absent |
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| AQUA | EVOQUA WATER TECHNOLOGIES CO | 2019-12-31 | Removed / first absent |
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| HCCI | Heritage-Crystal Clean Inc | 2019-12-31 | Removed / first absent |
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| SCHN | Schnitzer Steel Industries Inc | 2019-12-31 | Removed / first absent |
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| ADES | Advanced Emissions Solutions I | 2019-12-31 | Removed / first absent |
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| SRCL | STERICYCLE INC | 2019-12-31 | Removed / first absent |
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| ADSW | ADVANCED DISPOSAL SERVICES I | 2019-12-31 | Removed / first absent |
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| NR | Newpark Resources Inc | 2019-12-31 | Removed / first absent |
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| CMD | Cantel Medical Corp | 2019-12-31 | Removed / first absent |
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| ABM | ABM Industries Inc | 2019-12-31 | Removed / first absent |
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| CLH | Clean Harbors Inc | 2019-12-31 | Removed / first absent |
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| CWST | Casella Waste Systems Inc | 2019-12-31 | Removed / first absent |
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| DAR | DARLING INGREDIENTS INC | 2019-12-31 | Removed / first absent |
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| DCI | Donaldson Co Inc | 2019-12-31 | Removed / first absent |
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| LIQT | LiqTech International Inc | 2019-12-31 | Removed / first absent |
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| LOOP | Loop Industries Inc | 2019-12-31 | Removed / first absent |
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| RSG | Republic Services Inc | 2019-12-31 | Removed / first absent |
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| STE | STERIS PLC | 2019-12-31 | Removed / first absent |
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| TEN | TENNECO INC | 2019-12-31 | Removed / first absent |
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| TNC | Tennant Co | 2019-12-31 | Removed / first absent |
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| TTEK | Tetra Tech Inc | 2019-12-31 | Removed / first absent |
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| WCN | Waste Connections Inc | 2019-12-31 | Removed / first absent |
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| WM | WASTE MANAGEMENT INC | 2019-12-31 | Removed / first absent |
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