Regeneron Pharmaceuticals (REGN) Stock Chart & Stock Price History $563.86 -19.38 (-3.32%) Closing price 10/8/2025 04:00 PM EasternExtended Trading$565.45 +1.59 (+0.28%) As of 10/8/2025 07:59 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 ForecastsChartCompetitorsDividendEarningsFDA EventsFinancialsHeadlinesInsider 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 44.29%, with a year-to-date return of -20.84%. In the past month, the stock has increased 1.32%, reflecting recent market activity. As of the latest close, Regeneron Pharmaceuticals traded at $563.86 with a market cap of $59.76 billion and volume of 1.41 million shares. Five years ago, the stock traded at $602.07, representing a 6.35% decrease over that period. At the time, it had a market cap of $64.06 billion and a volume of 1.19 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. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. 5 Day Performance-6.02%1 Month Performance+1.32%3 Month Performance+2.04%Year-To-Date Performance-20.84%1 Year Performance-44.29%5 Year Performance-6.35% REGN Stock Chart for Thursday, October, 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 Capitalization10/08/2025$583.24$563.86-3.32%$605.00$560.971.41 million shs$59.76 billion10/07/2025$585.48$583.24-0.38%$591.45$578.42655,500 shs$61.82 billion10/06/2025$600.00$585.48-2.42%$603.65$584.411.07 million shs$62.05 billion10/03/2025$600.00$600.00$618.01$599.871.15 million shs$63.59 billion10/02/2025$599.94$600.00+0.01%$605.41$596.601.10 million shs$63.59 billion10/01/2025$562.27$599.94+6.70%$615.39$569.992.08 million shs$63.59 billion09/30/2025$560.75$562.27+0.27%$574.04$555.001.66 million shs$59.59 billion09/29/2025$563.90$560.75-0.56%$564.91$557.34818,379 shs$59.43 billion09/26/2025$555.51$563.90+1.51%$564.61$550.71838,575 shs$59.77 billion09/25/2025$576.98$555.51-3.72%$579.00$549.201.39 million shs$58.88 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. 09/24/2025$567.89$576.98+1.60%$577.98$566.00777,302 shs$61.15 billion09/23/2025$595.68$567.89-4.67%$582.00$565.451.36 million shs$60.19 billion09/22/2025$591.99$595.68+0.62%$600.75$588.67904,767 shs$63.14 billion09/19/2025$598.71$591.99-1.12%$603.47$591.002.18 million shs$62.75 billion09/18/2025$585.50$598.71+2.26%$600.00$583.921.27 million shs$63.46 billion09/17/2025$575.06$585.50+1.82%$587.67$576.31921,470 shs$62.06 billion09/16/2025$572.59$575.06+0.43%$579.40$567.31707,913 shs$60.95 billion09/15/2025$560.00$572.59+2.25%$573.69$558.54995,656 shs$60.69 billion09/12/2025$568.20$560.00-1.44%$570.00$559.45602,540 shs$59.35 billion09/11/2025$555.83$568.20+2.23%$570.76$555.81868,132 shs$60.22 billion09/10/2025$556.53$555.83-0.13%$560.00$552.98874,662 shs$58.91 billion09/09/2025$558.44$556.53-0.34%$563.57$554.80872,717 shs$58.99 billion09/08/2025$573.38$558.44-2.61%$571.20$552.811.23 million shs$59.19 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 10/9/2025 by MarketBeat.com Staff From Our PartnersMagnificent 7 being replaced by the “Hidden 7”?BULLISH: It's time to buy this 'hidden' AI stock An award-winning stock-rating system has turned BULLISH on...Chaikin Analytics | SponsoredAn $8 trillion-dollar discovery 17,000 ft underwater A strange rock pulled from the ocean floor may hold the key to a $16 trillion resource boom. Inside it: materi...Porter & Company | SponsoredREVEALED: Something Big Happening Behind White House DoorsWhat I just learned about what’s unfolding in the White House is truly stunning… And you need to see it for...Paradigm Press | SponsoredURGENT: The Market's 3 Red Flags Are FlashingHere’s the uncomfortable truth: The smartest investors in the world are already preparing for a crash befor...StockEarnings | SponsoredINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | Sponsored2013 miner reveals his trading systemWhile everyone else is gambling on meme coins or chasing the next "100x moonshot," our members are systematica...Crypto Swap Profits | SponsoredThe Tiny Stock Set to Soar with Musk's AI AmbitionsThe Tiny Stock Set to Soar with Musk's AI Ambitions While Musk builds one of the most ambitious AI empires ...Behind the Markets | SponsoredIf You Keep Cash In A U.S. Bank Account… Read This NOWThe Treasury Department just issued a stunning warning: U.S. banks could lose up to $6.6 trillion of custom...Banyan Hill Publishing | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added ten stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Regeneron Pharmaceuticals, Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share Regeneron Pharmaceuticals With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
