Nektar Therapeutics (NKTR) Stock Chart & Stock Price History $49.89 +0.88 (+1.80%) Closing price 09/16/2025 04:00 PM EasternExtended Trading$51.29 +1.40 (+2.81%) As of 04:18 AM 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 EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Nektar Therapeutics Stock Price Performance The Nektar Therapeutics (NKTR) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 155.85%, with a year-to-date return of 257.63%. In the past month, the stock has increased 83.02%, reflecting recent market activity. As of the latest close, Nektar Therapeutics traded at $49.89 with a market cap of $948.91 million and volume of 1.50 million shares. Five years ago, the stock traded at a split-adjusted price of $305.10, representing a 83.65% decrease over that period. At the time, it had a market cap of $3.64 billion and a volume of 64,632 shares. Receive NKTR Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Nektar Therapeutics 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. 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Read our full terms of service and privacy policy. 5 Day Performance+2.49%1 Month Performance+83.02%3 Month Performance+471.48%Year-To-Date Performance+257.63%1 Year Performance+155.85%5 Year Performance-83.65% NKTR Stock Chart for Wednesday, September, 17, 2025 NKTR Chart by TradingView Nektar Therapeutics 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 Capitalization09/16/2025$49.01$49.89+1.80%$50.34$48.141.50 million shs$948.91 million09/15/2025$48.68$49.01+0.68%$49.75$47.601.09 million shs$932.17 million09/12/2025$47.20$48.68+3.14%$48.84$45.79848,765 shs$925.89 million09/11/2025$48.18$47.20-2.03%$50.53$42.122.80 million shs$897.70 million09/10/2025$48.57$48.18-0.80%$49.01$45.741.65 million shs$916.38 million09/09/2025$44.33$48.57+9.56%$48.85$43.451.88 million shs$923.80 million09/08/2025$40.18$44.33+10.33%$44.33$39.101.96 million shs$843.11 million09/05/2025$35.98$40.18+11.67%$40.45$34.621.71 million shs$764.18 million09/04/2025$28.55$35.98+26.02%$36.38$31.853.49 million shs$684.34 million09/03/2025$29.08$28.55-1.82%$29.50$27.87446,549 shs$543.02 million Get the Latest News and Ratings for NKTR and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Nektar Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 09/02/2025$29.86$29.08-2.61%$30.45$28.88436,848 shs$553.07 million09/01/2025$29.86$29.86$29.92$28.61381,741 shs$567.94 million08/29/2025$29.34$29.86+1.77%$29.92$28.61381,741 shs$567.94 million08/28/2025$29.28$29.34+0.20%$29.91$28.78310,667 shs$558.05 million08/27/2025$28.78$29.28+1.74%$29.41$28.11405,032 shs$556.91 million08/26/2025$27.14$28.78+6.04%$28.79$26.66444,315 shs$547.40 million08/25/2025$27.03$27.14+0.41%$27.69$26.45611,223 shs$516.20 million08/22/2025$28.00$27.03-3.46%$29.70$26.861.23 million shs$514.11 million08/21/2025$26.95$28.00+3.90%$28.18$26.71816,077 shs$532.56 million08/20/2025$26.72$26.95+0.86%$27.15$25.34566,669 shs$512.56 million08/19/2025$27.43$26.72-2.59%$27.35$26.19568,913 shs$508.21 million08/18/2025$27.26$27.43+0.62%$28.13$26.62659,646 shs$521.72 million Related Companies PRGO Stock Chart SUPN Stock Chart PCRX Stock Chart OMER Stock Chart ASMB Stock Chart CPIX Stock Chart LLY Stock Chart JNJ Stock Chart ABBV Stock Chart MRK Stock Chart Receive NKTR Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Nektar Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 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