3i Infrastructure (3IN) Stock Chart & Stock Price History GBX 355 +2.50 (+0.71%) As of 09/15/2025 11:50 AM Eastern Add Compare Share Share Chart Stock AnalysisChartCompetitorsDividendEarningsHeadlinesInsider TradesBuy This Stock 3i Infrastructure Stock Price Performance The 3i Infrastructure (3IN) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 4.26%, with a year-to-date return of 11.81%. In the past month, the stock has increased 1.21%, reflecting recent market activity. As of the latest close, 3i Infrastructure traded at GBX 355 with a market cap of £3.27 billion and volume of 1.00 million shares. Five years ago, the stock traded at GBX 285, representing a 24.56% increase over that period. At the time, it had a market cap of £2.54 billion and a volume of 882,008 shares. 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Read our full terms of service and privacy policy. 5 Day Performance+0.42%1 Month Performance+1.21%3 Month Performance+1.14%Year-To-Date Performance+11.81%1 Year Performance+4.26%5 Year Performance+24.56% 3IN Stock Chart for Tuesday, September, 16, 2025 3IN Chart by TradingView 3i Infrastructure 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 Capitalization09/15/2025GBX 352.50GBX 355+0.71%GBX 358GBX 350.501.00 million shs£3.27 billion09/12/2025GBX 353.50GBX 352.50-0.28%GBX 355GBX 352444,748 shs£3.25 billion09/11/2025GBX 353GBX 353.50+0.14%GBX 355GBX 351.60954,825 shs£3.26 billion09/10/2025GBX 352.50GBX 353+0.14%GBX 355GBX 351988,823 shs£3.26 billion09/09/2025GBX 356GBX 352.50-0.98%GBX 358GBX 349.471.73 million shs£3.25 billion09/08/2025GBX 341.30GBX 356+4.31%GBX 357.50GBX 353590,459 shs£3.28 billion09/05/2025GBX 351.50GBX 341.30-2.90%GBX 356.50GBX 341.306.66 million shs£3.15 billion09/04/2025GBX 342GBX 351.50+2.78%GBX 355.50GBX 341.501.01 million shs£3.24 billion09/03/2025GBX 339.50GBX 342+0.74%GBX 342.50GBX 337915,004 shs£3.15 billion09/02/2025GBX 343.50GBX 339.50-1.16%GBX 342.50GBX 338.50593,844 shs£3.13 billion Get the Latest News and Ratings for 3IN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for 3i Infrastructure and its competitors with MarketBeat's FREE daily newsletter. 09/01/2025GBX 341GBX 343.50+0.73%GBX 344.50GBX 339617,509 shs£3.17 billion08/29/2025GBX 343.50GBX 341-0.73%GBX 344GBX 341804,881 shs£3.15 billion08/28/2025GBX 345.50GBX 343.50-0.58%GBX 348GBX 3411.02 million shs£3.17 billion08/27/2025GBX 347.50GBX 345.50-0.58%GBX 349GBX 344445,148 shs£3.19 billion08/26/2025GBX 351.50GBX 347.50-1.14%GBX 352.50GBX 345.50614,227 shs£3.21 billion08/25/2025GBX 351.50GBX 351.50GBX 352GBX 344.50432,142 shs£3.24 billion08/22/2025GBX 346GBX 351.50+1.59%GBX 352GBX 344.50432,142 shs£3.24 billion08/21/2025GBX 350GBX 346-1.14%GBX 350GBX 345.50779,544 shs£3.19 billion08/20/2025GBX 348.50GBX 350+0.43%GBX 350GBX 346.33706,765 shs£3.23 billion08/19/2025GBX 349.50GBX 348.50-0.29%GBX 352.50GBX 348436,266 shs£3.21 billion08/18/2025GBX 350.74GBX 349.50-0.35%GBX 351.50GBX 347.50674,803 shs£3.22 billion08/15/2025GBX 351GBX 350.74-0.07%GBX 353GBX 347802,923 shs£3.24 billion Related Companies Scottish Mortgage Stock Chart Pershing Square Stock Chart St. James's Place Stock Chart M&G Stock Chart Schroders Stock Chart F&C Investment Trust Stock Chart Hargreaves Lansdown Stock Chart Polar Capital Technology Trust Stock Chart abrdn Stock Chart JPMorgan Global Growth & Income Stock Chart Receive 3IN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for 3i Infrastructure and its competitors with MarketBeat's FREE daily newsletter. 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