Repligen (RGEN) Stock Chart & Stock Price History $132.87 +1.19 (+0.90%) Closing price 04:00 PM EasternExtended Trading$132.85 -0.02 (-0.01%) As of 05:23 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 InterestSustainabilityTrendsBuy This Stock Repligen Stock Price Performance The Repligen (RGEN) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 5.92%, with a year-to-date return of -7.69%. In the past month, the stock has increased 7.81%, reflecting recent market activity. As of the latest close, Repligen traded at $131.68 with a market cap of $7.40 billion and volume of 626,274 shares. Five years ago, the stock traded at $120.01, representing a 10.72% increase over that period. At the time, it had a market cap of $6.11 billion and a volume of 479,843 shares. Receive RGEN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Repligen and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+4.87%1 Month Performance+7.81%3 Month Performance-3.01%Year-To-Date Performance-7.69%1 Year Performance-5.92%5 Year Performance+10.72% RGEN Stock Chart for Tuesday, June, 10, 2025 RGEN Chart by TradingView Repligen 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 Capitalization06/09/2025$128.30$131.68+2.63%$133.82$128.32626,274 shs$7.40 billion06/06/2025$126.70$128.30+1.26%$130.68$127.80599,466 shs$7.21 billion06/05/2025$126.55$126.70+0.12%$128.25$123.44606,282 shs$7.12 billion06/04/2025$124.40$126.55+1.73%$126.84$123.47593,032 shs$7.11 billion06/03/2025$118.57$124.40+4.92%$126.16$115.141.10 million shs$6.99 billion06/02/2025$117.66$118.57+0.77%$120.00$115.331.13 million shs$6.66 billion05/30/2025$122.32$117.66-3.81%$121.88$117.111.15 million shs$6.61 billion05/29/2025$121.18$122.32+0.94%$123.71$120.961.07 million shs$6.87 billion05/28/2025$122.54$121.18-1.11%$123.13$120.55515,449 shs$6.81 billion05/27/2025$118.15$122.54+3.72%$123.82$121.13630,733 shs$6.88 billion Get the Latest News and Ratings for RGEN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Repligen and its competitors with MarketBeat's FREE daily newsletter. 05/26/2025$118.15$118.15$118.90$116.64615,767 shs$6.64 billion05/23/2025$120.45$118.15-1.91%$118.90$116.64615,767 shs$6.64 billion05/22/2025$120.21$120.45+0.20%$121.59$118.51623,286 shs$6.77 billion05/21/2025$127.59$120.21-5.78%$126.19$120.11497,516 shs$6.75 billion05/20/2025$126.19$127.59+1.11%$129.42$125.64651,189 shs$7.17 billion05/19/2025$126.50$126.19-0.25%$126.38$123.00867,065 shs$7.09 billion05/16/2025$123.26$126.50+2.63%$126.56$120.111.25 million shs$7.10 billion05/15/2025$128.04$123.26-3.73%$128.34$121.83923,345 shs$6.92 billion05/14/2025$131.55$128.04-2.67%$134.25$126.50497,050 shs$7.19 billion05/13/2025$133.72$131.55-1.62%$135.47$131.37546,924 shs$7.39 billion05/12/2025$123.24$133.72+8.50%$134.06$125.401.05 million shs$7.51 billion05/09/2025$127.85$123.24-3.61%$130.87$123.10580,989 shs$6.92 billion Related Companies Biogen Stock Price Chart United Therapeutics Stock Price Chart Incyte Stock Price Chart Neurocrine Biosciences Stock Price Chart Exelixis Stock Price Chart BioMarin Pharmaceutical Stock Price Chart Exact Sciences Stock Price Chart Halozyme Therapeutics Stock Price Chart Madrigal Pharmaceuticals Stock Price Chart Ionis Pharmaceuticals Stock Price Chart Receive RGEN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Repligen and its competitors with MarketBeat's FREE daily newsletter. 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