REGENXBIO (RGNX) Stock Chart & Stock Price History $11.73 -0.61 (-4.94%) Closing price 10/17/2025 04:00 PM EasternExtended Trading$11.90 +0.17 (+1.45%) As of 10/17/2025 07:56 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 increased 5.68%, with a year-to-date return of 51.75%. In the past month, the stock has increased 31.95%, reflecting recent market activity. As of the latest close, REGENXBIO traded at $11.73 with a market cap of $592.48 million and volume of 392,409 shares. Five years ago, the stock traded at $27.03, representing a 56.60% decrease over that period. At the time, it had a market cap of $1.01 billion and a volume of 265,528 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. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. 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Read our full terms of service and privacy policy. 5 Day Performance-4.63%1 Month Performance+31.95%3 Month Performance+43.75%Year-To-Date Performance+51.75%1 Year Performance+5.68%5 Year Performance-56.60% RGNX Stock Chart for Monday, October, 20, 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 Capitalization10/17/2025$12.34$11.73-4.94%$12.32$11.50392,409 shs$592.48 million10/16/2025$12.30$12.34+0.33%$12.99$12.27742,061 shs$623.34 million10/15/2025$11.25$12.30+9.33%$12.35$11.34569,240 shs$621.27 million10/14/2025$11.34$11.25-0.79%$11.41$10.90402,669 shs$568.24 million10/13/2025$10.92$11.34+3.85%$11.60$10.97505,762 shs$572.83 million10/10/2025$12.17$10.92-10.27%$12.14$10.91968,561 shs$551.61 million10/09/2025$12.22$12.17-0.41%$12.84$12.151.02 million shs$614.71 million10/08/2025$10.51$12.22+16.27%$12.30$10.52972,253 shs$617.23 million10/07/2025$10.69$10.51-1.68%$11.00$10.24513,342 shs$530.90 million10/06/2025$10.43$10.69+2.49%$10.85$10.48698,735 shs$539.95 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. 10/03/2025$10.58$10.43-1.42%$11.00$10.42692,203 shs$526.82 million10/02/2025$9.77$10.58+8.29%$10.58$9.81670,889 shs$534.40 million10/01/2025$9.65$9.77+1.24%$9.98$9.55612,354 shs$493.48 million09/30/2025$9.85$9.65-2.03%$10.01$9.63906,889 shs$487.42 million09/29/2025$9.65$9.85+2.07%$10.17$9.68706,571 shs$497.52 million09/26/2025$9.36$9.65+3.10%$9.67$9.18488,916 shs$487.42 million09/25/2025$9.54$9.36-1.89%$9.73$9.18560,820 shs$472.77 million09/24/2025$8.93$9.54+6.83%$9.58$8.97578,994 shs$481.90 million09/23/2025$9.06$8.93-1.43%$9.12$8.80407,546 shs$451.05 million09/22/2025$8.89$9.06+1.91%$9.32$8.68420,898 shs$457.62 million09/19/2025$9.36$8.89-5.02%$9.40$8.88744,358 shs$449.03 million Related Companies ETNB Stock Price Chart SRPT Stock Price Chart OCUL Stock Price Chart DYN Stock Price Chart ANIP Stock Price Chart VERA Stock Price Chart TLRY Stock Price Chart TWST Stock Price Chart COGT Stock Price Chart GPCR 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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