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Data as at: 17/02/2026
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Objective
To enable investors to benefit from growth in the markets for cleaner or more efficient delivery of basic services of energy, water and waste.
Sustainability label
AIC sector
Management group
Launch date
22/02/2002
December
Domicile
United Kingdom
Fund manager
Sanjeev Lakhani, Fotis Chatzimichalakis
Dividend frequency
Semi-Annually
Wind-up provisions
A continuation vote takes place every three years. The last continuation vote was at the Company AGM held on 20 May 2025. The next continuation vote will take place in AGM of May 2028.
Continuation vote
3 yearly
| Market Cap (m) | Total assets (m) | Price (last close) | NAV | Discount / premium (%) | Gearing (%) | Dividend yield (%) | Dividend dates | Ongoing charge (%) |
|---|---|---|---|---|---|---|---|---|
| 822.57 | 968.09 | 432.00 | 462.17 | -6.53 | 8 | 1.18 | Apr, Aug | 0.84 (31/12/2024) |
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Dividends
Dividends declared in last 12 months
| Ex-dividend date | Payment date | Dividend amount | Special dividend | Financial year |
|---|---|---|---|---|
| 12/02/2026 | 06/03/2026 | 3.200 | No | 2025 |
| 14/08/2025 | 28/08/2025 | 1.900 | No | 2025 |
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Performance (%)
| Return type | 1 year | 3 years | 5 years | 10 years | |
|---|---|---|---|---|---|
| Impax Environmental Markets | Share price total return | 11.0 | 0.5 | -6.7 | 228.0 |
| Environmental AIC sector | Share price total return | N/A | N/A | N/A | N/A |
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Share structure
Number of shares
190,410,579
115,212,960
Traded volumes (number of shares)
| Yesterday | 1 month | 1 year | 5 years | |
|---|---|---|---|---|
| Total | 428,713 | 15,362,451 | 187,377,440 | 729,285,489 |
| Average | N/A | 698,293 | 740,622 | 578,339 |
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Traded values (m)
| Yesterday | 1 month | 1 year | 5 years | |
|---|---|---|---|---|
| Total | 1.85 | 64.62 | 724.74 | 2,998.29 |
| Average | N/A | 2.94 | 2.86 | 2.38 |
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Trading details
| ISIN | Ticker | Traded currency | Stock exchange |
|---|---|---|---|
| GB0031232498 | IEM | GBX | London Stock Exchange - MAIN Chi-x Europe Limited London Stock Exchange |
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Top holdings
Data as at : 31/05/2025
| Investment | % of total assets |
|---|---|
| Waste Connections Inc | 3.2 |
| DSM Firmenich AG | 3.1 |
| Trimble Inc | 2.9 |
| Clean Harbors Inc | 2.8 |
| Ormat Technologies Inc | 2.6 |
| PTC Inc | 2.4 |
| Veolia Environnement SA | 2.3 |
| Xylem Inc | 2.3 |
| Mondi PLC | 2.2 |
| Air Liquide SA | 2.2 |
Data provided by Morningstar.
Company documents provided by FE fundinfo.
