Pennon Group (PNN) Stock Chart & Stock Price History GBX 482 +5.00 (+1.05%) As of 05:57 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 12.52%, with a year-to-date return of -18.79%. In the past month, the stock has increased 4.50%, reflecting recent market activity. As of the latest close, Pennon Group traded at GBX 477 with a market cap of £2.25 billion and volume of 696,144 shares. Five years ago, the stock traded at GBX 1,014, representing a 52.47% decrease over that period. At the time, it had a market cap of £4.52 billion and a volume of 835,524 shares. 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Read our full terms of service and privacy policy. 5 Day Performance+0.84%1 Month Performance+4.50%3 Month Performance-2.43%Year-To-Date Performance-18.79%1 Year Performance-12.52%5 Year Performance-52.47% PNN Stock Chart for Thursday, October, 9, 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 Capitalization10/08/2025GBX 480.80GBX 477-0.79%GBX 481.40GBX 474.60696,144 shs£2.25 billion10/07/2025GBX 475.84GBX 480.80+1.04%GBX 483.60GBX 473.8055.06 million shs£2.27 billion10/06/2025GBX 478GBX 475.84-0.45%GBX 478.20GBX 464670,087 shs£2.25 billion10/03/2025GBX 474.60GBX 478+0.72%GBX 479.40GBX 470.80978,477 shs£2.26 billion10/02/2025GBX 469.80GBX 474.60+1.02%GBX 474.60GBX 462.601.85 million shs£2.24 billion10/01/2025GBX 467.64GBX 469.80+0.46%GBX 476GBX 4651.37 million shs£2.22 billion09/30/2025GBX 459.80GBX 467.64+1.70%GBX 468.20GBX 456.201.13 million shs£2.21 billion09/29/2025GBX 454.60GBX 459.80+1.14%GBX 461.20GBX 451.40664,635 shs£2.17 billion09/26/2025GBX 453.60GBX 454.60+0.22%GBX 457GBX 4432.09 million shs£2.15 billion09/25/2025GBX 456.80GBX 453.60-0.70%GBX 466GBX 453.60671,583 shs£2.14 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. 09/24/2025GBX 457.80GBX 456.80-0.22%GBX 461.60GBX 454801,275 shs£2.16 billion09/23/2025GBX 455.20GBX 457.80+0.57%GBX 463.38GBX 455.60869,073 shs£2.16 billion09/22/2025GBX 457.60GBX 455.20-0.52%GBX 462.60GBX 454.20502,292 shs£2.15 billion09/19/2025GBX 462GBX 457.60-0.95%GBX 466.20GBX 456.202.69 million shs£2.16 billion09/18/2025GBX 466.40GBX 462-0.94%GBX 468.80GBX 4601.09 million shs£2.18 billion09/17/2025GBX 461GBX 466.40+1.17%GBX 470.40GBX 457.201.11 million shs£2.20 billion09/16/2025GBX 471GBX 461-2.12%GBX 474.60GBX 460.801.32 million shs£2.18 billion09/15/2025GBX 469.60GBX 471+0.30%GBX 476.20GBX 469.401.23 million shs£2.22 billion09/12/2025GBX 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 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 Yü Group Stock Chart Jersey Electricity Stock Chart Invinity Energy Systems Stock Chart Good Energy Group 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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