Repligen (RGEN) Stock Chart & Stock Price History $113.35 +1.25 (+1.12%) As of 03:56 PM Eastern This is a fair market value 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 30.24%, with a year-to-date return of -21.25%. In the past month, the stock has decreased 8.90%, reflecting recent market activity. As of the latest close, Repligen traded at $112.10 with a market cap of $6.30 billion and volume of 1.15 million shares. Five years ago, the stock traded at $152.77, representing a 25.80% decrease over that period. At the time, it had a market cap of $8.19 billion and a volume of 462,718 shares. 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Email Address 5 Day Performance-4.68%1 Month Performance-8.90%3 Month Performance-10.66%Year-To-Date Performance-21.25%1 Year Performance-30.24%5 Year Performance-25.80% RGEN Stock Chart for Thursday, August, 7, 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 Capitalization08/06/2025$115.88$112.10-3.26%$115.73$110.771.15 million shs$6.30 billion08/05/2025$116.50$115.88-0.53%$117.72$115.03666,463 shs$6.51 billion08/04/2025$118.91$116.50-2.03%$118.86$115.76754,697 shs$6.54 billion08/01/2025$117.07$118.91+1.57%$118.99$113.43941,488 shs$6.68 billion07/31/2025$122.85$117.07-4.70%$122.73$116.761.15 million shs$6.58 billion07/30/2025$125.30$122.85-1.96%$128.48$122.001.44 million shs$6.90 billion07/29/2025$119.65$125.30+4.72%$132.24$124.002.26 million shs$7.04 billion07/28/2025$121.74$119.65-1.72%$121.73$119.03989,720 shs$6.72 billion07/25/2025$121.87$121.74-0.11%$123.14$120.67950,629 shs$6.84 billion07/24/2025$117.13$121.87+4.05%$122.67$116.301.16 million shs$6.85 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. 07/23/2025$114.12$117.13+2.64%$120.71$116.381.45 million shs$6.58 billion07/22/2025$114.80$114.12-0.59%$115.65$110.851.51 million shs$6.41 billion07/21/2025$116.25$114.80-1.25%$117.38$113.171.19 million shs$6.45 billion07/18/2025$124.04$116.25-6.28%$124.35$115.191.03 million shs$6.53 billion07/17/2025$119.75$124.04+3.58%$125.00$121.00582,585 shs$6.97 billion07/16/2025$118.10$119.75+1.40%$120.51$117.39690,114 shs$6.73 billion07/15/2025$121.33$118.10-2.66%$122.32$117.98611,917 shs$6.64 billion07/14/2025$130.19$121.33-6.81%$128.25$120.891.06 million shs$6.82 billion07/11/2025$134.00$130.19-2.84%$135.57$129.63757,950 shs$7.31 billion07/10/2025$129.82$134.00+3.22%$135.02$129.15545,221 shs$7.53 billion07/09/2025$128.56$129.82+0.98%$130.82$127.84576,961 shs$7.29 billion07/08/2025$124.43$128.56+3.32%$129.38$124.38586,863 shs$7.22 billion07/07/2025$127.36$124.43-2.30%$127.45$123.34424,625 shs$6.99 billion Related Companies Bio-Techne Stock Price Chart Agilent Technologies Stock Price Chart Danaher Stock Price Chart Thermo Fisher Scientific Stock Price Chart Biogen Stock Price Chart Incyte Stock Price Chart United Therapeutics Stock Price Chart Neurocrine Biosciences Stock Price Chart Exelixis Stock Price Chart BioMarin Pharmaceutical 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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