Repligen (RGEN) Stock Chart & Stock Price History $127.59 +1.40 (+1.11%) As of 05/20/2025 04:00 PM Eastern 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 23.55%, with a year-to-date return of -11.36%. In the past month, the stock has decreased 3.08%, reflecting recent market activity. As of the latest close, Repligen traded at $127.59 with a market cap of $7.17 billion and volume of 651,189 shares. Five years ago, the stock traded at $140.31, representing a 9.07% decrease over that period. At the time, it had a market cap of $7.28 billion and a volume of 493,132 shares. 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Email Address 5 Day Performance+0.86%1 Month Performance-3.08%3 Month Performance-19.75%Year-To-Date Performance-11.36%1 Year Performance-23.55%5 Year Performance-9.07% RGEN Stock Chart for Wednesday, May, 21, 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 Capitalization05/20/2025$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 billion05/08/2025$126.88$127.85+0.76%$131.00$126.27681,238 shs$7.18 billion05/07/2025$130.40$126.88-2.70%$133.18$125.311.38 million shs$7.12 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. 05/06/2025$140.92$130.40-7.47%$141.99$130.151.12 million shs$7.32 billion05/05/2025$141.51$140.92-0.42%$143.56$139.68681,498 shs$7.91 billion05/02/2025$137.20$141.51+3.14%$142.66$138.32581,931 shs$7.95 billion05/01/2025$137.99$137.20-0.57%$140.71$135.46481,876 shs$7.75 billion04/30/2025$139.43$137.99-1.03%$139.54$134.04975,539 shs$7.75 billion04/29/2025$143.63$139.43-2.92%$145.47$132.461.99 million shs$7.83 billion04/28/2025$144.75$143.63-0.77%$148.38$140.14862,327 shs$8.06 billion04/25/2025$145.23$144.75-0.33%$145.96$140.89439,931 shs$8.13 billion04/24/2025$141.53$145.23+2.62%$145.91$140.70491,195 shs$8.15 billion04/23/2025$138.93$141.53+1.87%$148.94$140.70608,115 shs$7.95 billion04/22/2025$131.64$138.93+5.54%$141.62$136.071.08 million shs$7.80 billion04/21/2025$130.00$131.64+1.26%$132.41$125.05678,928 shs$7.39 billion Related Companies Biogen Stock Price Chart United Therapeutics Stock Price Chart Neurocrine Biosciences Stock Price Chart Incyte Stock Price Chart BioMarin Pharmaceutical Stock Price Chart Exelixis 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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