Pennon Group (PNN) Stock Chart & Stock Price History GBX 492.60 +3.80 (+0.78%) As of 08/22/2025 11:50 AM Eastern Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsHeadlinesInsider TradesSustainabilityBuy This Stock Pennon Group Stock Price Performance The Pennon Group (PNN) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 17.69%, with a year-to-date return of -17.00%. In the past month, the stock has decreased 0.85%, reflecting recent market activity. As of the latest close, Pennon Group traded at GBX 492.60 with a market cap of £2.28 billion and volume of 642,167 shares. Five years ago, the stock traded at GBX 1,008.50, representing a 51.16% decrease over that period. At the time, it had a market cap of £4.25 billion and a volume of 969,244 shares. 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Email Address 5 Day Performance+4.28%1 Month Performance-0.85%3 Month Performance-4.16%Year-To-Date Performance-17.00%1 Year Performance-17.69%5 Year Performance-51.16% PNN Stock Chart for Sunday, August, 24, 2025 PNN Chart by TradingView Pennon Group 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 Capitalization08/22/2025GBX 488.80GBX 492.60+0.78%GBX 495.20GBX 486642,167 shs£2.28 billion08/21/2025GBX 508.23GBX 488.80-3.82%GBX 491.80GBX 485.20602,022 shs£2.27 billion08/20/2025GBX 472.40GBX 508.23+7.58%GBX 508.23GBX 472.601.14 million shs£2.36 billion08/19/2025GBX 473.80GBX 472.40-0.30%GBX 476.80GBX 472.40546,142 shs£2.19 billion08/18/2025GBX 475.80GBX 473.80-0.42%GBX 481.60GBX 472596,162 shs£2.20 billion08/15/2025GBX 481.80GBX 475.80-1.25%GBX 485GBX 475.80544,684 shs£2.21 billion08/14/2025GBX 480.20GBX 481.80+0.33%GBX 484.60GBX 480594,951 shs£2.23 billion08/13/2025GBX 478.20GBX 480.20+0.42%GBX 485.40GBX 476.40803,358 shs£2.23 billion08/12/2025GBX 496GBX 478.20-3.59%GBX 499.20GBX 478.20596,123 shs£2.22 billion08/11/2025GBX 496.60GBX 496-0.12%GBX 501GBX 494.20548,074 shs£2.30 billion Get the Latest News and Ratings for PNN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Pennon Group and its competitors with MarketBeat's FREE daily newsletter. 08/08/2025GBX 499.40GBX 496.60-0.56%GBX 504.50GBX 496.60515,050 shs£2.30 billion08/07/2025GBX 507GBX 499.40-1.50%GBX 507GBX 491.60976,389 shs£2.31 billion08/06/2025GBX 506.50GBX 507+0.10%GBX 507.50GBX 501.50722,642 shs£2.35 billion08/05/2025GBX 507GBX 506.50-0.10%GBX 512GBX 501.50940,055 shs£2.35 billion08/04/2025GBX 498.60GBX 507+1.68%GBX 508GBX 497.60526,309 shs£2.35 billion08/01/2025GBX 498.40GBX 498.60+0.04%GBX 502.50GBX 491661,790 shs£2.31 billion07/31/2025GBX 491.60GBX 498.40+1.38%GBX 498.40GBX 4881.42 million shs£2.31 billion07/30/2025GBX 488.60GBX 491.60+0.61%GBX 492.40GBX 485.401.27 million shs£2.28 billion07/29/2025GBX 494.60GBX 488.60-1.21%GBX 495.60GBX 486.351.14 million shs£2.26 billion07/28/2025GBX 500GBX 494.60-1.08%GBX 503.50GBX 493.40873,145 shs£2.29 billion07/25/2025GBX 496.80GBX 500+0.64%GBX 500GBX 4901.01 million shs£2.32 billion07/24/2025GBX 532.50GBX 496.80-6.70%GBX 517GBX 496.60882,835 shs£2.30 billion07/23/2025GBX 539GBX 532.50-1.21%GBX 538.50GBX 525.071.09 million shs£2.47 billion Related Companies Severn Trent Stock Chart United Utilities Group Stock Chart Centrica Stock Chart Greencoat UK Wind Stock Chart Drax Group Stock Chart Telecom Plus Stock Chart Greencoat Renewables Stock Chart MAST Energy Developments Stock Chart Yü Group Stock Chart Jersey Electricity Stock Chart Receive PNN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Pennon Group and its competitors with MarketBeat's FREE daily newsletter. 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