Pennon Group (PNN) Stock Chart & Stock Price History GBX 469.60 +4.80 (+1.03%) As of 09/12/2025 11:51 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 23.27%, with a year-to-date return of -20.88%. In the past month, the stock has decreased 2.21%, reflecting recent market activity. As of the latest close, Pennon Group traded at GBX 469.60 with a market cap of £2.22 billion and volume of 1.22 million shares. Five years ago, the stock traded at GBX 1,030, representing a 54.41% decrease over that period. At the time, it had a market cap of £4.34 billion and a volume of 892,394 shares. 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Read our full terms of service and privacy policy. 5 Day Performance+2.09%1 Month Performance-2.21%3 Month Performance-3.37%Year-To-Date Performance-20.88%1 Year Performance-23.27%5 Year Performance-54.41% PNN Stock Chart for Saturday, September, 13, 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 Capitalization09/12/2025GBX 464.80GBX 469.60+1.03%GBX 474.60GBX 464.201.22 million shs£2.22 billion09/11/2025GBX 461GBX 464.80+0.82%GBX 468.80GBX 460.601.36 million shs£2.19 billion09/10/2025GBX 461.25GBX 461-0.06%GBX 464.20GBX 459998,741 shs£2.18 billion09/09/2025GBX 460GBX 461.25+0.27%GBX 463.60GBX 4581.03 million shs£2.18 billion09/08/2025GBX 465.63GBX 460-1.21%GBX 470GBX 456.401.41 million shs£2.17 billion09/05/2025GBX 459.20GBX 465.63+1.40%GBX 465.63GBX 451187.51 million shs£2.20 billion09/04/2025GBX 446.80GBX 459.20+2.78%GBX 459.43GBX 445.402.25 million shs£2.17 billion09/03/2025GBX 446GBX 446.80+0.18%GBX 448GBX 439.401.29 million shs£2.11 billion09/02/2025GBX 466GBX 446-4.29%GBX 467.20GBX 444.991.26 million shs£2.10 billion09/01/2025GBX 473.60GBX 466-1.60%GBX 476.20GBX 463.20690,224 shs£2.20 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. 08/29/2025GBX 476.40GBX 473.60-0.59%GBX 488.40GBX 472.20879,736 shs£2.20 billion08/28/2025GBX 482GBX 476.40-1.16%GBX 483.80GBX 474.17383,227 shs£2.21 billion08/27/2025GBX 482.80GBX 482-0.17%GBX 491GBX 482765,066 shs£2.23 billion08/26/2025GBX 492.60GBX 482.80-1.99%GBX 492GBX 482.801.38 million shs£2.24 billion08/25/2025GBX 492.60GBX 492.60GBX 495.20GBX 486642,167 shs£2.28 billion08/22/2025GBX 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 billion Related Companies United Utilities Group Stock Chart Severn Trent Stock Chart Centrica Stock Chart Greencoat UK Wind Stock Chart Drax Group Stock Chart Telecom Plus Stock Chart Yü Group Stock Chart Jersey Electricity Stock Chart Good Energy Group Stock Chart Invinity Energy Systems 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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