X4 Pharmaceuticals (XFOR) Stock Chart & Stock Price History $3.92 +0.74 (+23.27%) Closing price 08/22/2025 04:00 PM EasternExtended Trading$3.74 -0.19 (-4.72%) As of 08/22/2025 07:59 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock X4 Pharmaceuticals Stock Price Performance The X4 Pharmaceuticals (XFOR) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 82.58%, with a year-to-date return of -82.19%. In the past month, the stock has increased 161.33%, reflecting recent market activity. As of the latest close, X4 Pharmaceuticals traded at $3.92 with a market cap of $22.69 million and volume of 3.26 million shares. Five years ago, the stock traded at a split-adjusted price of $249.90, representing a 98.43% decrease over that period. At the time, it had a market cap of $147.37 million and a volume of 1,826 shares. Receive XFOR Stock News and Ratings via EmailSign-up to receive the latest news and ratings for X4 Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+57.43%1 Month Performance+161.33%3 Month Performance+26.45%Year-To-Date Performance-82.19%1 Year Performance-82.58%5 Year Performance-98.43% XFOR Stock Chart for Saturday, August, 23, 2025 XFOR Chart by TradingView X4 Pharmaceuticals 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 Capitalization08/22/2025$3.18$3.92+23.27%$3.93$3.123.26 million shs$22.69 million08/21/2025$2.80$3.18+13.57%$3.21$2.711.62 million shs$18.41 million08/20/2025$2.93$2.80-4.44%$3.00$2.691.74 million shs$16.21 million08/19/2025$2.49$2.93+17.67%$3.42$2.459.33 million shs$16.96 million08/18/2025$2.85$2.49-12.63%$3.22$2.492.77 million shs$14.42 million08/15/2025$3.14$2.85-9.24%$3.11$2.661.83 million shs$16.50 million08/14/2025$2.93$3.14+7.17%$3.25$2.475.74 million shs$18.18 million08/13/2025$2.58$2.93+13.79%$3.45$2.7277.16 million shs$16.96 million08/12/2025$1.42$2.58+81.34%$2.64$1.6597.76 million shs$14.91 million08/11/2025$1.49$1.42-4.70%$1.54$1.35868,168 shs$8.22 million Get the Latest News and Ratings for XFOR and Related StocksEnter your email address below to receive the latest news and analysts' ratings for X4 Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 08/08/2025$1.46$1.49+2.05%$1.51$1.40637,028 shs$8.63 million08/07/2025$1.58$1.46-7.59%$1.64$1.45990,639 shs$8.45 million08/06/2025$1.61$1.58-1.86%$1.73$1.57768,273 shs$9.15 million08/05/2025$1.58$1.61+1.90%$1.64$1.54433,188 shs$9.32 million08/04/2025$1.60$1.58-1.25%$1.67$1.58366,390 shs$9.15 million08/01/2025$1.68$1.60-4.76%$1.71$1.55441,974 shs$9.26 million07/31/2025$1.77$1.68-5.08%$1.80$1.65785,833 shs$9.73 million07/30/2025$1.92$1.77-7.81%$1.95$1.76840,875 shs$10.25 million07/29/2025$2.13$1.92-9.86%$2.19$1.851.57 million shs$11.12 million07/28/2025$1.82$2.13+17.03%$2.22$1.863.68 million shs$12.33 million07/25/2025$1.83$1.82-0.55%$1.85$1.671.54 million shs$10.54 million07/24/2025$1.50$1.83+22.00%$2.25$1.5115.68 million shs$10.60 million07/23/2025$1.49$1.50+0.67%$1.52$1.47749,526 shs$8.69 million07/22/2025$1.53$1.49-2.61%$1.52$1.45496,904 shs$8.63 million Related Companies IMMX Stock Chart QNTM Stock Chart OSTX Stock Chart MNOV Stock Chart GNTA Stock Chart CUE Stock Chart ANL Stock Chart GANX Stock Chart CVM Stock Chart HOWL Stock Chart Receive XFOR Stock News and Ratings via EmailSign-up to receive the latest news and ratings for X4 Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 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