REGENXBIO (RGNX) Stock Chart & Stock Price History $9.01 +0.90 (+11.10%) Closing price 08/22/2025 04:00 PM EasternExtended Trading$9.02 +0.01 (+0.11%) As of 08/22/2025 04:46 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 EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock REGENXBIO Stock Price Performance The REGENXBIO (RGNX) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 25.72%, with a year-to-date return of 16.56%. In the past month, the stock has decreased 1.31%, reflecting recent market activity. As of the latest close, REGENXBIO traded at $9.01 with a market cap of $455.13 million and volume of 1.36 million shares. Five years ago, the stock traded at $29.30, representing a 69.25% decrease over that period. At the time, it had a market cap of $1.09 billion and a volume of 367,606 shares. Receive RGNX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for REGENXBIO and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+12.20%1 Month Performance-1.31%3 Month Performance-7.21%Year-To-Date Performance+16.56%1 Year Performance-25.72%5 Year Performance-69.25% RGNX Stock Chart for Sunday, August, 24, 2025 RGNX Chart by TradingView REGENXBIO 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$8.11$9.01+11.10%$9.11$8.071.36 million shs$455.13 million08/21/2025$8.07$8.11+0.50%$8.13$7.95387,766 shs$409.64 million08/20/2025$8.03$8.07+0.50%$8.19$7.83563,993 shs$407.62 million08/19/2025$8.71$8.03-7.81%$8.36$8.01764,233 shs$405.63 million08/18/2025$8.82$8.71-1.25%$8.98$8.61449,843 shs$439.94 million08/15/2025$9.06$8.82-2.65%$9.14$8.65660,862 shs$445.50 million08/14/2025$8.93$9.06+1.46%$9.25$8.57951,995 shs$457.62 million08/13/2025$8.10$8.93+10.25%$9.25$8.231.06 million shs$451.09 million08/12/2025$7.46$8.10+8.58%$8.13$7.53908,325 shs$409.13 million08/11/2025$7.85$7.46-4.97%$7.79$7.35659,357 shs$376.81 million Get the Latest News and Ratings for RGNX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for REGENXBIO and its competitors with MarketBeat's FREE daily newsletter. 08/08/2025$7.90$7.85-0.63%$8.12$7.72637,496 shs$393.76 million08/07/2025$8.23$7.90-4.01%$8.30$7.631.11 million shs$396.26 million08/06/2025$8.29$8.23-0.72%$8.41$8.00584,087 shs$415.83 million08/05/2025$8.33$8.29-0.48%$8.48$8.14500,928 shs$415.83 million08/04/2025$8.19$8.33+1.71%$8.44$8.03351,597 shs$417.83 million08/01/2025$8.51$8.19-3.76%$8.44$8.03539,624 shs$410.81 million07/31/2025$8.75$8.51-2.74%$8.73$8.43613,454 shs$426.86 million07/30/2025$8.41$8.75+4.04%$9.32$8.62890,926 shs$438.90 million07/29/2025$8.79$8.41-4.32%$8.91$8.27936,000 shs$421.85 million07/28/2025$8.96$8.79-1.90%$9.18$8.75571,165 shs$440.91 million07/25/2025$9.13$8.96-1.86%$9.22$8.86467,431 shs$449.43 million07/24/2025$9.09$9.13+0.44%$9.18$8.78554,523 shs$457.96 million07/23/2025$8.57$9.09+6.07%$9.10$8.41612,683 shs$455.95 million Related Companies DYN Stock Price Chart APGE Stock Price Chart TWST Stock Price Chart TVTX Stock Price Chart BHVN Stock Price Chart IMCR Stock Price Chart CDTX Stock Price Chart AUPH Stock Price Chart WVE Stock Price Chart JANX Stock Price Chart Receive RGNX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for REGENXBIO and its competitors with MarketBeat's FREE daily newsletter. 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