Nektar Therapeutics - 15 Year Stock Price History | NKTR

Historical daily share price chart and data for Nektar Therapeutics since 2011 adjusted for splits and dividends. The latest closing stock price for Nektar Therapeutics as of June 18, 2026 is 60.98.
  • 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 109.00, which is 78.7% above the current share price.
  • The Nektar Therapeutics 52-week low stock price is 8.27, which is 86.4% below the current share price.
  • The average Nektar Therapeutics stock price for the last 52 weeks is 53.41.
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Nektar Therapeutics Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2026 65.1020 43.4200 100.3500 35.1200 60.9800 44.23%
2025 28.7203 14.4150 65.6900 7.3560 42.2800 203.08%
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 195.0905 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%
Sector Industry Market Cap Revenue
Medical Medical - Drug Manufacturing $2.223B $0.055B
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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Merck (MKKGY) Germany $16.944B 11.65
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Orion OYJ (ORINY) Finland $10.723B 18.62
Eisai (ESAIY) $9.158B 0.00
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