Regeneron Pharmaceuticals (REGN) Stock Chart & Stock Price History $554.90 +7.16 (+1.31%) As of 09:38 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Regeneron Pharmaceuticals Stock Price Performance The Regeneron Pharmaceuticals (REGN) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 47.35%, with a year-to-date return of -22.10%. In the past month, the stock has increased 7.21%, reflecting recent market activity. As of the latest close, Regeneron Pharmaceuticals traded at $547.75 with a market cap of $59.14 billion and volume of 847,049 shares. Five years ago, the stock traded at $640.63, representing a 13.38% decrease over that period. At the time, it had a market cap of $70.51 billion and a volume of 1.01 million shares. Receive REGN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Regeneron Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+1.82%1 Month Performance+7.21%3 Month Performance-3.78%Year-To-Date Performance-22.10%1 Year Performance-47.35%5 Year Performance-13.38% REGN Stock Chart for Wednesday, July, 9, 2025 REGN Chart by TradingView Regeneron Pharmaceuticals 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 Capitalization07/08/2025$538.11$547.75+1.79%$559.46$537.45847,049 shs$59.14 billion07/07/2025$545.00$538.11-1.26%$547.59$532.60959,668 shs$58.09 billion07/04/2025$545.00$545.00$555.00$546.61456,413 shs$58.84 billion07/03/2025$547.74$545.00-0.50%$555.00$546.61456,413 shs$58.84 billion07/02/2025$534.91$547.74+2.40%$551.50$529.69818,031 shs$59.13 billion07/01/2025$525.00$534.91+1.89%$548.03$521.001.20 million shs$57.75 billion06/30/2025$521.00$525.00+0.77%$526.08$518.901.01 million shs$56.68 billion06/27/2025$521.00$521.00$531.21$517.391.61 million shs$56.25 billion06/26/2025$520.29$521.00+0.14%$524.52$514.79965,467 shs$56.25 billion06/25/2025$522.27$520.29-0.38%$525.63$516.99639,462 shs$56.17 billion Get the Latest News and Ratings for REGN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Regeneron Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 06/24/2025$511.92$522.27+2.02%$527.45$515.79970,549 shs$56.38 billion06/23/2025$509.72$511.92+0.43%$516.18$507.611.08 million shs$55.27 billion06/20/2025$513.58$509.72-0.75%$521.31$506.382.26 million shs$55.03 billion06/19/2025$513.58$513.58$519.17$503.25841,026 shs$55.45 billion06/18/2025$508.86$513.58+0.93%$519.17$503.25841,026 shs$55.45 billion06/17/2025$522.68$508.86-2.64%$523.01$508.70889,852 shs$54.94 billion06/16/2025$529.24$522.68-1.24%$538.20$520.221.32 million shs$56.43 billion06/13/2025$521.84$529.24+1.42%$529.55$514.98951,512 shs$57.14 billion06/12/2025$518.60$521.84+0.62%$525.22$512.97873,171 shs$56.34 billion06/11/2025$523.53$518.60-0.94%$528.37$516.10961,902 shs$55.99 billion06/10/2025$517.60$523.53+1.15%$529.99$518.161.18 million shs$56.52 billion06/09/2025$493.22$517.60+4.94%$518.27$494.421.98 million shs$55.88 billion Related Companies Amgen Stock Price Chart Gilead Sciences Stock Price Chart Moderna Stock Price Chart Intellia Therapeutics Stock Price Chart Vir Biotechnology Stock Price Chart Vertex Pharmaceuticals Stock Price Chart AbbVie Stock Price Chart Eli Lilly and Company Stock Price Chart Merck & Co., Inc. Stock Price Chart Pfizer Stock Price Chart Receive REGN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Regeneron Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. This page (NASDAQ:REGN) was last updated on 7/9/2025 by MarketBeat.com Staff From Our PartnersA grave, grave error.I thought what happened 25 years ago was a once- in-a-lifetime event… but how wrong I was. 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