Impax Environmental Markets (IEM) Stock Chart & Stock Price History GBX 402 -7.00 (-1.71%) As of 12:43 PM Eastern Add Compare Share Share Chart Stock AnalysisChartCompetitorsDividendEarningsHeadlinesInsider TradesBuy This Stock Impax Environmental Markets Stock Price Performance The Impax Environmental Markets (IEM) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 3.08%, with a year-to-date return of 4.76%. In the past month, the stock has increased 2.29%, reflecting recent market activity. As of the latest close, Impax Environmental Markets traded at GBX 409 with a market cap of £806.92 million and volume of 563,640 shares. Five years ago, the stock traded at GBX 380, representing a 5.79% increase over that period. At the time, it had a market cap of £884.49 million and a volume of 525,802 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-1.35%1 Month Performance+2.29%3 Month Performance+3.87%Year-To-Date Performance+4.76%1 Year Performance+3.08%5 Year Performance+5.79% IEM Stock Chart for Friday, October, 10, 2025 IEM Chart by TradingView Impax Environmental Markets Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization10/10/2025GBX 409GBX 402-1.71%GBX 409.50GBX 400.50527,328 shs£793.11 million10/09/2025GBX 407GBX 409+0.49%GBX 410.50GBX 405563,640 shs£806.92 million10/08/2025GBX 406GBX 407+0.25%GBX 408GBX 403.50493,449 shs£802.97 million10/07/2025GBX 407.03GBX 406-0.25%GBX 409GBX 405.40392,449 shs£801.00 million10/06/2025GBX 407.50GBX 407.03-0.11%GBX 407.50GBX 404.38482,611 shs£803.04 million10/03/2025GBX 404GBX 407.50+0.87%GBX 407.58GBX 401.98519,671 shs£816.54 million10/02/2025GBX 400.97GBX 404+0.76%GBX 405GBX 399.50890,105 shs£809.53 million10/01/2025GBX 395.93GBX 400.97+1.27%GBX 401.50GBX 395.47704,554 shs£803.46 million09/30/2025GBX 396GBX 395.93-0.02%GBX 397.50GBX 393686,536 shs£793.36 million09/29/2025GBX 394GBX 396+0.51%GBX 398GBX 393.80353,922 shs£793.50 million Get the Latest News and Ratings for IEM and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Impax Environmental Markets and its competitors with MarketBeat's FREE daily newsletter. 09/26/2025GBX 396GBX 394-0.51%GBX 399GBX 393.50648,987 shs£789.49 million09/25/2025GBX 396GBX 396GBX 396GBX 392.50561,513 shs£793.50 million09/24/2025GBX 398GBX 396-0.50%GBX 398.50GBX 395.01505,890 shs£793.50 million09/23/2025GBX 397GBX 398+0.25%GBX 400GBX 395.50851,631 shs£797.51 million09/22/2025GBX 397GBX 397GBX 398.50GBX 394.50420,021 shs£795.51 million09/19/2025GBX 391GBX 397+1.53%GBX 397.29GBX 3891.25 million shs£795.51 million09/18/2025GBX 388.74GBX 391+0.58%GBX 394GBX 386485,137 shs£783.48 million09/17/2025GBX 387.50GBX 388.74+0.32%GBX 390GBX 3861.86 million shs£778.95 million09/16/2025GBX 390GBX 387.50-0.64%GBX 392GBX 387510,069 shs£776.47 million09/15/2025GBX 393GBX 390-0.76%GBX 392.69GBX 3903.15 million shs£781.48 million09/12/2025GBX 393.50GBX 393-0.13%GBX 395GBX 391.50430,787 shs£787.49 million09/11/2025GBX 393GBX 393.50+0.13%GBX 395GBX 392.503.58 million shs£788.49 million09/10/2025GBX 395GBX 393-0.51%GBX 396.23GBX 3933.14 million shs£787.49 million09/09/2025GBX 396GBX 395-0.25%GBX 397.08GBX 393.38483,894 shs£791.50 million Related Companies RIT Capital Partners Stock Price Chart Monks Stock Price Chart City of London Stock Price Chart Bridgepoint Group Stock Price Chart HICL Infrastructure Stock Price Chart International Public Partnerships Stock Price Chart HgCapital Trust Stock Price Chart Quilter Stock Price Chart JTC Stock Price Chart Templeton Emerging Markets Investment Trust Stock Price Chart Receive IEM Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Impax Environmental Markets and its competitors with MarketBeat's FREE daily newsletter. 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