Generation Bio (GBIO) Stock Chart & Stock Price History $0.43 -0.03 (-6.37%) Closing price 03/28/2025 04:00 PM EasternExtended Trading$0.43 +0.00 (+0.98%) As of 03/28/2025 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Generation Bio Stock Price Performance 5 Day Performance-13.68%1 Month Performance-26.24%3 Month Performance-60.02%6 Month Performance-82.40%Year-To-Date Performance-59.64%1 Year Performance-89.49% Receive GBIO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Generation Bio and its competitors with MarketBeat's FREE daily newsletter. Email Address GBIO Stock Chart for Saturday, March, 29, 2025 GBIO Chart by TradingViewRemove Ads Generation Bio Stock Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization03/28/2025$0.46$0.43-6.37%$0.46$0.41558,689 shs$28.67 million03/27/2025$0.46$0.46+0.22%$0.50$0.44179,740 shs$30.62 million03/26/2025$0.47$0.46-3.68%$0.49$0.45341,763 shs$30.55 million03/25/2025$0.50$0.47-4.50%$0.50$0.46400,095 shs$31.72 million03/24/2025$0.50$0.50-1.49%$0.55$0.49479,417 shs$33.21 million03/21/2025$0.52$0.50-2.50%$0.51$0.47861,312 shs$33.71 million03/20/2025$0.54$0.52-5.04%$0.58$0.52100,360 shs$34.58 million03/19/2025$0.56$0.54-2.98%$0.59$0.53276,061 shs$36.30 million03/18/2025$0.53$0.56+5.68%$0.59$0.52326,605 shs$37.41 million03/17/2025$0.48$0.53+10.42%$0.57$0.471.01 million shs$35.40 million Get the Latest News and Ratings for GBIO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Generation Bio and its competitors with MarketBeat's FREE daily newsletter. 03/14/2025$0.51$0.48-6.25%$0.52$0.48944,609 shs$32.06 million03/13/2025$0.53$0.51-2.48%$0.55$0.51271,039 shs$34.20 million03/12/2025$0.51$0.53+3.37%$0.54$0.50335,740 shs$35.07 million03/11/2025$0.50$0.51+2.61%$0.52$0.47230,712 shs$33.92 million03/10/2025$0.53$0.50-7.04%$0.53$0.48290,464 shs$33.06 million03/07/2025$0.52$0.53+1.91%$0.54$0.51314,760 shs$35.57 million03/06/2025$0.52$0.52+0.48%$0.54$0.50829,285 shs$34.90 million03/05/2025$0.53$0.52-1.42%$0.55$0.52277,289 shs$34.73 million03/04/2025$0.54$0.53-1.79%$0.57$0.51396,256 shs$35.23 million03/03/2025$0.58$0.54-7.40%$0.62$0.53598,006 shs$35.88 million02/28/2025$0.54$0.58+8.41%$0.60$0.53389,702 shs$38.74 million Related Companies ENTA Stock Price Chart EPRX Stock Price Chart TIL Stock Price Chart SGMT Stock Price Chart MCRB Stock Price Chart FTLF Stock Price Chart MGNX Stock Price Chart VIRI Stock Price Chart VXRT Stock Price Chart EDIT Stock Price Chart Receive GBIO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Generation Bio and its competitors with MarketBeat's FREE daily newsletter. 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