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Nektar Therapeutics - 31 Year Stock Price History | NKTR

Historical daily share price chart and data for Nektar Therapeutics since 1994 adjusted for splits and dividends. The latest closing stock price for Nektar Therapeutics as of June 25, 2025 is 29.12.
  • The all-time high Nektar Therapeutics stock closing price was 1626.60 on March 08, 2018.
  • The Nektar Therapeutics 52-week high stock price is 37.38, which is 28.4% above the current share price.
  • The Nektar Therapeutics 52-week low stock price is 6.48, which is 77.7% below the current share price.
  • The average Nektar Therapeutics stock price for the last 52 weeks is 15.18.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
  
Nektar Therapeutics Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2025 11.7539 14.4150 29.1200 7.3560 29.1200 108.75%
2024 17.1215 8.9220 27.4500 7.4040 13.9500 64.60%
2023 14.4814 32.8500 47.2500 6.3405 8.4750 -75.00%
2022 79.4594 204.9000 205.8000 30.4500 33.9000 -83.27%
2021 260.6905 264.9000 381.9000 162.4500 202.6500 -20.53%
2020 298.4283 314.4000 419.4000 217.0500 255.0000 -21.24%
2019 435.5890 513.3000 695.2500 238.0500 323.7750 -34.33%
2018 972.8594 864.7500 1626.6000 456.4500 493.0500 -44.96%
2017 355.0330 190.3500 907.5000 176.2500 895.8000 386.72%
2016 219.4839 243.0000 295.2000 165.0000 184.0500 -27.18%
2015 189.9217 227.4750 261.1500 142.5000 252.7500 8.71%
2014 195.1465 178.0500 255.7500 157.9500 232.5000 36.56%
2013 160.0021 113.1000 209.4000 113.1000 170.2500 53.17%
2012 117.1627 86.4000 162.4500 85.2000 111.1500 32.44%
2011 113.6304 187.9500 187.9500 63.3000 83.9250 -56.46%
2010 201.4295 145.2000 238.2000 140.8500 192.7500 37.88%
2009 103.5137 86.8500 157.0500 60.4500 139.8000 67.63%
2008 75.2852 99.0000 112.5000 42.4500 83.4000 -17.14%
2007 149.1227 228.6000 228.6000 78.3000 100.6500 -55.88%
2006 267.5755 246.6000 341.2500 196.5000 228.1500 -7.59%
2005 250.7916 296.4000 297.0000 201.1500 246.9000 -18.68%
2004 262.6435 214.5000 348.6000 145.3500 303.6000 48.71%
2003 146.8942 128.4000 224.1150 66.9000 204.1500 68.44%
2002 131.2826 273.3000 273.3000 61.9500 121.2000 -56.44%
2001 344.1939 667.5000 723.7500 165.1500 278.2500 -63.27%
2000 646.9727 312.6560 949.6880 312.6560 757.5000 137.30%
1999 217.7195 255.0000 327.6560 172.5000 319.2190 28.98%
1998 211.9503 192.6560 256.8750 161.2500 247.5000 26.92%
1997 177.2357 114.3750 273.7500 114.3750 195.0000 71.90%
1996 113.7089 76.8750 154.6880 75.0000 113.4380 55.13%
1995 73.0648 67.5000 107.8120 52.5000 73.1250 5.41%
Sector Industry Market Cap Revenue
Medical Medical - Drug Manufacturing $0.304B $0.098B
Nektar Therapeutics is a biopharmaceutical company, focused on the development of treatments utilizing its PEGylation and advanced polymer conjugate technology platforms. Nektar primarily finances its operations with funds from licensing, collaboration and manufacturing agreements. It has collaboration deals with companies namely AstraZeneca, Pfizer, Roche, Amgen, Bristol-Myers and Eli Lilly among others. The company's most lucrative deal is with Bristol-Myers, which provided the company with significant cash resources to support progress of its pipeline and share development costs for its lead candidate, bempegaldesleukin. Nektar recognizes product sales from its manufacturing and supply agreements with several pharma companies related to products developed using its PEGylation platform. The company also earns royalty payments from the sales of products using its technology platforms. Amgen's neutropenia drug, Neulasta is one of the drugs developed using Nektar's PEGylation platform.
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