Supernus Pharmaceuticals (SUPN) Stock Chart & Stock Price History $32.36 -1.23 (-3.66%) Closing price 04:00 PM EasternExtended Trading$32.34 -0.02 (-0.06%) As of 04:34 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 ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Supernus Pharmaceuticals Stock Price Performance The Supernus Pharmaceuticals (SUPN) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 11.20%, with a year-to-date return of -10.51%. In the past month, the stock has decreased 1.82%, reflecting recent market activity. As of the latest close, Supernus Pharmaceuticals traded at $33.59 with a market cap of $1.88 billion and volume of 945,860 shares. Five years ago, the stock traded at $24.20, representing a 33.72% increase over that period. At the time, it had a market cap of $1.27 billion and a volume of 342,800 shares. Receive SUPN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Supernus Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-2.29%1 Month Performance-1.82%3 Month Performance+5.20%Year-To-Date Performance-10.51%1 Year Performance+11.20%5 Year Performance+33.72% SUPN Stock Chart for Friday, July, 18, 2025 SUPN Chart by TradingView Supernus 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 Capitalization07/17/2025$33.52$33.59+0.21%$34.40$33.38945,860 shs$1.88 billion07/16/2025$33.51$33.52+0.03%$34.05$32.911.20 million shs$1.88 billion07/15/2025$33.96$33.51-1.33%$34.12$33.08676,462 shs$1.88 billion07/14/2025$33.12$33.96+2.54%$33.98$33.08594,612 shs$1.90 billion07/11/2025$33.14$33.12-0.06%$33.37$32.50461,128 shs$1.85 billion07/10/2025$32.67$33.14+1.44%$33.80$32.54875,179 shs$1.86 billion07/09/2025$32.09$32.67+1.81%$32.95$32.15874,019 shs$1.83 billion07/08/2025$31.45$32.09+2.03%$32.72$31.371.20 million shs$1.80 billion07/07/2025$32.00$31.45-1.70%$32.12$31.35682,248 shs$1.76 billion07/04/2025$32.00$32.00$32.55$31.75212,566 shs$1.79 billion Get the Latest News and Ratings for SUPN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Supernus Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 07/03/2025$32.07$32.00-0.23%$32.55$31.75212,566 shs$1.79 billion07/02/2025$31.82$32.07+0.79%$32.22$31.62474,541 shs$1.80 billion07/01/2025$31.52$31.82+0.95%$32.78$31.37856,921 shs$1.78 billion06/30/2025$31.16$31.52+1.16%$31.81$31.16534,853 shs$1.76 billion06/27/2025$31.20$31.16-0.13%$31.39$30.931.10 million shs$1.74 billion06/26/2025$31.24$31.20-0.13%$31.76$31.03492,509 shs$1.75 billion06/25/2025$31.67$31.24-1.36%$31.69$30.831.05 million shs$1.75 billion06/24/2025$31.99$31.67-1.00%$32.67$31.38739,982 shs$1.77 billion06/23/2025$32.28$31.99-0.90%$32.49$31.46836,215 shs$1.79 billion06/20/2025$32.96$32.28-2.06%$33.30$32.24909,294 shs$1.81 billion06/19/2025$32.96$32.96$33.26$32.01583,113 shs$1.85 billion06/18/2025$32.33$32.96+1.95%$33.26$32.01583,113 shs$1.85 billion06/17/2025$32.47$32.33-0.43%$33.09$31.56784,137 shs$1.81 billion Related Companies JAZZ Stock Price Chart PRGO Stock Price Chart PCRX Stock Price Chart NKTR Stock Price Chart OMER Stock Price Chart ASMB Stock Price Chart CPIX Stock Price Chart LLY Stock Price Chart JNJ Stock Price Chart ABBV Stock Price Chart Receive SUPN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Supernus Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 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