Nektar Therapeutics (NKTR) Market Cap 1994–2026

As of October 29, 2026, Nektar Therapeutics had a market cap of $1.337 billion, which increased by 1.60% compared to the previous trading day. Market capitalization, often referred to as market cap, represents the total value of a company's outstanding shares on the stock market and is a common measure of its overall size and valuation.

Data updated: Oct 29, 2026, 4:00 PM ET

Nektar Therapeutics (NKTR)

🌍 United States 📈 NASDAQ 🏭 Health Care 🏢 Pharmaceuticals

Latest Market Cap

$1.337B ▲ 1.60%

Start of 2026

$0.731B ▲ 82.85%

1 Year Ago

$1.086B ▲ 23.11%

All-Time High

$17.83B ▼ 92.50%

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Note: Each point on the chart represents the market capitalization at the end of the trading day.
Source: Data compiled from EDGAR filings, Bloomberg and Yahoo Finance.

📈 Nektar Therapeutics Market Cap History by Year and Month

Nektar Therapeutics Market Cap History by Year and Month
Year / Month	Market Cap	% Change
2026	$1.337B	▲ 82.90%
October 29, 2026	$1.337B	▼ 35.29%
September 30, 2026	$2.066B	▼ 15.19%
August 31, 2026	$2.436B	▲ 69.17%
July 31, 2026	$1.44B	▲ 1.19%
June 30, 2026	$1.423B	▲ 26.83%
May 29, 2026	$1.122B	▼ 23.73%
April 30, 2026	$1.471B	▲ 18.15%
March 31, 2026	$1.245B	▲ 4.36%
February 27, 2026	$1.193B	▲ 84.67%
January 30, 2026	$0.646B	▼ 11.63%
2025	$0.731B	▲ 322.54%
December 31, 2025	$0.731B	▼ 35.20%
November 28, 2025	$1.128B	▲ 0.45%
October 31, 2025	$1.123B	▲ 14.13%
September 30, 2025	$0.984B	▲ 90.33%
August 29, 2025	$0.517B	▲ 92.19%
July 31, 2025	$0.269B	▼ 16.20%
June 30, 2025	$0.321B	▲ 137.78%
May 30, 2025	$0.135B	▼ 8.78%
April 30, 2025	$0.148B	▲ 16.54%
March 31, 2025	$0.127B	▼ 18.59%
February 28, 2025	$0.156B	▲ 1.30%
January 31, 2025	$0.154B	▼ 10.98%
2024	$0.173B	▲ 60.19%
December 31, 2024	$0.173B	▼ 17.62%
November 29, 2024	$0.21B	▼ 4.55%
October 31, 2024	$0.22B	▼ 8.33%
September 30, 2024	$0.24B	▲ 1.69%
August 30, 2024	$0.236B	▼ 4.45%
July 31, 2024	$0.247B	▲ 8.33%
June 28, 2024	$0.228B	▼ 2.56%
May 31, 2024	$0.234B	▼ 12.69%
April 30, 2024	$0.268B	▲ 55.81%
March 28, 2024	$0.172B	▲ 32.31%
February 29, 2024	$0.13B	▲ 25.00%
January 31, 2024	$0.104B	▼ 3.70%
2023	$0.108B	▼ 74.59%
December 29, 2023	$0.108B	▲ 15.52%
November 30, 2023	$93.492M	▲ 4.48%
October 31, 2023	$89.485M	▼ 20.81%
September 29, 2023	$0.113B	— 0.00%
August 31, 2023	$0.113B	▲ 10.78%
July 31, 2023	$0.102B	▼ 6.42%
June 30, 2023	$0.109B	▼ 0.91%
May 31, 2023	$0.11B	▼ 22.54%
April 28, 2023	$0.142B	▲ 6.77%
March 31, 2023	$0.133B	▼ 49.04%
February 28, 2023	$0.261B	▼ 49.12%
January 31, 2023	$0.513B	▲ 20.71%
2022	$0.425B	▼ 83.03%
December 30, 2022	$0.425B	▼ 19.20%
November 30, 2022	$0.526B	▼ 25.60%
October 31, 2022	$0.707B	▲ 17.64%
September 30, 2022	$0.601B	▼ 18.56%
August 31, 2022	$0.738B	▼ 0.54%
July 29, 2022	$0.742B	▲ 4.21%
June 30, 2022	$0.712B	▲ 9.88%
May 31, 2022	$0.648B	▼ 15.73%
April 29, 2022	$0.769B	▼ 23.41%
March 31, 2022	$1.004B	▼ 47.38%
February 28, 2022	$1.908B	▼ 7.47%
January 31, 2022	$2.062B	▼ 17.68%
2021	$2.505B	▼ 18.22%
December 31, 2021	$2.505B	▲ 20.61%
November 30, 2021	$2.077B	▼ 25.74%
October 29, 2021	$2.797B	▼ 15.60%
September 30, 2021	$3.314B	▲ 16.53%
August 31, 2021	$2.844B	▼ 1.96%
July 30, 2021	$2.901B	▼ 7.99%
June 30, 2021	$3.153B	▼ 4.25%
May 28, 2021	$3.293B	▼ 7.86%
April 30, 2021	$3.574B	▼ 1.95%
March 31, 2021	$3.645B	▼ 11.85%
February 26, 2021	$4.135B	▲ 16.51%
January 29, 2021	$3.549B	▲ 15.87%
2020	$3.063B	▼ 19.63%
December 31, 2020	$3.063B	▲ 4.18%
November 30, 2020	$2.94B	▲ 3.45%
October 30, 2020	$2.842B	▼ 4.50%
September 30, 2020	$2.976B	▼ 14.01%
August 31, 2020	$3.461B	▼ 12.73%
July 31, 2020	$3.966B	▼ 4.23%
June 30, 2020	$4.141B	▲ 7.17%
May 29, 2020	$3.864B	▲ 13.11%
April 30, 2020	$3.416B	▲ 7.56%
March 31, 2020	$3.176B	▼ 14.07%
February 28, 2020	$3.696B	▲ 5.24%
January 31, 2020	$3.512B	▼ 7.85%
2019	$3.811B	▼ 33.20%
December 31, 2019	$3.811B	▲ 6.75%
November 29, 2019	$3.57B	▲ 18.57%
October 31, 2019	$3.011B	▼ 5.97%
September 30, 2019	$3.202B	▲ 4.03%
August 30, 2019	$3.078B	▼ 38.17%
July 31, 2019	$4.978B	▼ 19.74%
June 28, 2019	$6.202B	▲ 13.61%
May 31, 2019	$5.459B	▼ 2.19%
April 30, 2019	$5.581B	▼ 4.61%
March 29, 2019	$5.851B	▼ 17.12%
February 28, 2019	$7.06B	▼ 3.92%
January 31, 2019	$7.348B	▲ 28.80%
2018	$5.705B	▼ 39.35%
December 31, 2018	$5.705B	▼ 18.41%
November 30, 2018	$6.992B	▲ 4.42%
October 31, 2018	$6.696B	▼ 36.33%
September 28, 2018	$10.516B	▼ 8.32%
August 31, 2018	$11.47B	▲ 26.52%
July 31, 2018	$9.066B	▲ 8.29%
June 29, 2018	$8.372B	▼ 39.17%
May 31, 2018	$13.762B	▼ 3.97%
April 30, 2018	$14.331B	▼ 16.21%
March 29, 2018	$17.103B	▲ 22.76%
February 28, 2018	$13.932B	▲ 3.92%
January 31, 2018	$13.407B	▲ 42.54%
2017	$9.406B	▲ 401.65%
December 29, 2017	$9.406B	▲ 10.62%
November 30, 2017	$8.503B	▲ 124.95%
October 31, 2017	$3.78B	▲ 0.77%
September 29, 2017	$3.751B	▲ 14.12%
August 31, 2017	$3.287B	▼ 3.38%
July 31, 2017	$3.402B	▲ 11.65%
June 30, 2017	$3.047B	▼ 1.17%
May 31, 2017	$3.083B	▲ 4.79%
April 28, 2017	$2.942B	▼ 19.02%
March 31, 2017	$3.633B	▲ 80.48%
February 28, 2017	$2.013B	▲ 8.52%
January 31, 2017	$1.855B	▼ 1.07%
2016	$1.875B	▼ 17.76%
December 30, 2016	$1.875B	▼ 0.16%
November 30, 2016	$1.878B	▼ 0.90%
October 31, 2016	$1.895B	▼ 19.94%
September 30, 2016	$2.367B	▼ 3.03%
August 31, 2016	$2.441B	▲ 3.26%
July 29, 2016	$2.364B	▲ 21.60%
June 30, 2016	$1.944B	▼ 7.60%
May 31, 2016	$2.104B	▼ 1.54%
April 29, 2016	$2.137B	▲ 14.16%
March 31, 2016	$1.872B	▲ 23.24%
February 29, 2016	$1.519B	▼ 17.67%
January 29, 2016	$1.845B	▼ 19.08%
2015	$2.28B	▲ 12.09%
December 31, 2015	$2.28B	▲ 9.09%
November 30, 2015	$2.09B	▲ 31.94%
October 30, 2015	$1.584B	▲ 8.49%
September 30, 2015	$1.46B	▼ 0.21%
August 31, 2015	$1.463B	▼ 12.34%
July 31, 2015	$1.669B	▲ 0.91%
June 30, 2015	$1.654B	▲ 9.39%
May 29, 2015	$1.512B	▲ 20.77%
April 30, 2015	$1.252B	▼ 13.42%
March 31, 2015	$1.446B	▼ 15.78%
February 27, 2015	$1.717B	▼ 10.62%
January 30, 2015	$1.921B	▼ 5.56%
2014	$2.034B	▲ 53.86%
December 31, 2014	$2.034B	▼ 5.00%
November 28, 2014	$2.141B	▲ 20.89%
October 31, 2014	$1.771B	▲ 14.41%
September 30, 2014	$1.548B	▼ 14.71%
August 29, 2014	$1.815B	▲ 35.15%
July 31, 2014	$1.343B	▼ 17.71%
June 30, 2014	$1.632B	▲ 9.53%
May 30, 2014	$1.49B	▼ 0.27%
April 30, 2014	$1.494B	▼ 2.86%
March 31, 2014	$1.538B	▼ 5.35%
February 28, 2014	$1.625B	▲ 2.59%
January 31, 2014	$1.584B	▲ 19.82%
2013	$1.322B	▲ 54.80%
December 31, 2013	$1.322B	▼ 9.33%
November 29, 2013	$1.458B	▲ 32.07%
October 31, 2013	$1.104B	▼ 8.91%
September 30, 2013	$1.212B	▼ 14.04%
August 30, 2013	$1.41B	▲ 8.71%
July 31, 2013	$1.297B	▼ 2.77%
June 28, 2013	$1.334B	▲ 21.94%
May 31, 2013	$1.094B	▼ 12.62%
April 30, 2013	$1.252B	▼ 1.26%
March 28, 2013	$1.268B	▲ 18.62%
February 28, 2013	$1.069B	▲ 8.20%
January 31, 2013	$0.988B	▲ 15.69%
2012	$0.854B	▲ 33.23%
December 31, 2012	$0.854B	▲ 13.72%
November 30, 2012	$0.751B	▼ 27.51%
October 31, 2012	$1.036B	▼ 15.57%
September 28, 2012	$1.227B	▲ 24.44%
August 31, 2012	$0.986B	▲ 0.82%
July 31, 2012	$0.978B	▲ 5.73%
June 29, 2012	$0.925B	▲ 20.44%
May 31, 2012	$0.768B	▼ 12.23%
April 30, 2012	$0.875B	▼ 3.53%
March 30, 2012	$0.907B	▲ 10.48%
February 29, 2012	$0.821B	▲ 14.66%
January 31, 2012	$0.716B	▲ 11.70%
2011	$0.641B	▼ 47.24%
December 30, 2011	$0.641B	▲ 12.06%
November 30, 2011	$0.572B	▼ 7.74%
October 31, 2011	$0.62B	▲ 11.71%
September 30, 2011	$0.555B	▼ 15.40%
August 31, 2011	$0.656B	▼ 10.87%
July 29, 2011	$0.736B	▼ 11.43%
June 30, 2011	$0.831B	▼ 24.73%
May 31, 2011	$1.104B	▼ 6.76%
April 29, 2011	$1.184B	▲ 9.63%
March 31, 2011	$1.08B	▼ 1.01%
February 28, 2011	$1.091B	▲ 2.92%
January 31, 2011	$1.06B	▼ 12.76%
2010	$1.215B	▲ 39.82%
December 31, 2010	$1.215B	▲ 1.67%
November 30, 2010	$1.195B	▼ 13.03%
October 29, 2010	$1.374B	▼ 1.29%
September 30, 2010	$1.392B	▲ 15.52%
August 31, 2010	$1.205B	▼ 2.03%
July 30, 2010	$1.23B	▲ 7.99%
June 30, 2010	$1.139B	▼ 0.96%
May 28, 2010	$1.15B	▼ 12.41%
April 30, 2010	$1.313B	▼ 8.05%
March 31, 2010	$1.428B	▲ 23.10%
February 26, 2010	$1.16B	▲ 8.92%
January 29, 2010	$1.065B	▲ 22.55%
2009	$0.869B	▲ 69.07%
December 31, 2009	$0.869B	▲ 7.02%
November 30, 2009	$0.812B	▲ 7.27%
October 30, 2009	$0.757B	▼ 16.54%
September 30, 2009	$0.907B	▲ 18.10%
August 31, 2009	$0.768B	▲ 17.07%
July 31, 2009	$0.656B	▲ 9.33%
June 30, 2009	$0.6B	▼ 4.00%
May 29, 2009	$0.625B	▲ 20.66%
April 30, 2009	$0.518B	▲ 3.81%
March 31, 2009	$0.499B	▲ 20.24%
February 27, 2009	$0.415B	▲ 9.21%
January 30, 2009	$0.38B	▼ 26.07%
2008	$0.514B	▼ 16.96%
December 31, 2008	$0.514B	▲ 17.08%
November 28, 2008	$0.439B	▼ 14.09%
October 31, 2008	$0.511B	▲ 53.92%
September 30, 2008	$0.332B	▼ 9.54%
August 29, 2008	$0.367B	▼ 20.22%
July 31, 2008	$0.46B	▲ 48.39%
June 30, 2008	$0.31B	▼ 24.76%
May 30, 2008	$0.412B	▼ 7.42%
April 30, 2008	$0.445B	▼ 30.58%
March 31, 2008	$0.641B	▼ 0.16%
February 29, 2008	$0.642B	▼ 2.43%
January 31, 2008	$0.658B	▲ 6.30%
2007	$0.619B	▼ 54.92%
December 31, 2007	$0.619B	▲ 0.65%
November 30, 2007	$0.615B	▲ 11.62%
October 31, 2007	$0.551B	▼ 32.14%
September 28, 2007	$0.812B	▲ 6.84%
August 31, 2007	$0.76B	▲ 8.26%
July 31, 2007	$0.702B	▼ 19.31%
June 29, 2007	$0.87B	▼ 16.35%
May 31, 2007	$1.04B	▼ 8.29%
April 30, 2007	$1.134B	▼ 5.03%
March 30, 2007	$1.194B	▲ 10.15%
February 28, 2007	$1.084B	▼ 6.47%
January 31, 2007	$1.159B	▼ 15.59%
2006	$1.373B	▼ 4.79%
December 29, 2006	$1.373B	▼ 7.85%
November 30, 2006	$1.49B	▲ 14.53%
October 31, 2006	$1.301B	▲ 0.39%
September 29, 2006	$1.296B	▼ 17.77%
August 31, 2006	$1.576B	▲ 7.50%
July 31, 2006	$1.466B	▼ 11.15%
June 30, 2006	$1.65B	▼ 7.82%
May 31, 2006	$1.79B	▼ 6.96%
April 28, 2006	$1.924B	▲ 5.54%
March 31, 2006	$1.823B	▼ 0.60%
February 28, 2006	$1.834B	▲ 5.77%
January 31, 2006	$1.734B	▲ 20.25%
2005	$1.442B	▼ 15.77%
December 30, 2005	$1.442B	▼ 2.44%
November 30, 2005	$1.478B	▲ 11.97%
October 31, 2005	$1.32B	▼ 11.11%
September 30, 2005	$1.485B	▲ 1.85%
August 31, 2005	$1.458B	▼ 8.93%
July 29, 2005	$1.601B	▲ 11.57%
June 30, 2005	$1.435B	▼ 7.66%
May 31, 2005	$1.554B	▲ 28.22%
April 29, 2005	$1.212B	▲ 2.36%
March 31, 2005	$1.184B	▼ 19.24%
February 28, 2005	$1.466B	▲ 2.88%
January 31, 2005	$1.425B	▼ 16.76%
2004	$1.712B	▲ 123.79%
December 31, 2004	$1.712B	▲ 9.11%
November 30, 2004	$1.569B	▲ 29.67%
October 29, 2004	$1.21B	▼ 0.41%
September 30, 2004	$1.215B	▲ 13.76%
August 31, 2004	$1.068B	▼ 27.35%
July 30, 2004	$1.47B	▼ 13.07%
June 30, 2004	$1.691B	▼ 5.79%
May 28, 2004	$1.795B	▲ 6.02%
April 30, 2004	$1.693B	▼ 5.21%
March 31, 2004	$1.786B	▲ 64.46%
February 27, 2004	$1.086B	▲ 13.60%
January 30, 2004	$0.956B	▲ 24.97%
2003	$0.765B	▲ 70.38%
December 31, 2003	$0.765B	▲ 2.41%
November 28, 2003	$0.747B	▲ 1.22%
October 31, 2003	$0.738B	▲ 2.93%
September 30, 2003	$0.717B	▲ 12.03%
August 29, 2003	$0.64B	▲ 29.82%
July 31, 2003	$0.493B	▼ 3.52%
June 30, 2003	$0.511B	▼ 18.11%
May 30, 2003	$0.624B	▲ 40.54%
April 30, 2003	$0.444B	▲ 26.14%
March 31, 2003	$0.352B	▲ 25.27%
February 28, 2003	$0.281B	▼ 13.80%
January 31, 2003	$0.326B	▼ 27.39%
2002	$0.449B	▼ 56.07%
December 31, 2002	$0.449B	▼ 11.26%
November 29, 2002	$0.506B	▲ 43.34%
October 31, 2002	$0.353B	▲ 26.98%
September 30, 2002	$0.278B	▼ 23.20%
August 30, 2002	$0.362B	▼ 12.77%
July 31, 2002	$0.415B	▼ 20.80%
June 28, 2002	$0.524B	▲ 29.38%
May 31, 2002	$0.405B	▼ 7.11%
April 30, 2002	$0.436B	▼ 25.09%
March 28, 2002	$0.582B	▼ 18.03%
February 28, 2002	$0.71B	▼ 4.83%
January 31, 2002	$0.746B	▼ 27.01%
2001	$1.022B	▼ 55.27%
December 31, 2001	$1.022B	▲ 14.32%
November 30, 2001	$0.894B	▼ 6.97%
October 31, 2001	$0.961B	▲ 31.64%
September 28, 2001	$0.73B	▼ 8.41%
August 31, 2001	$0.797B	▼ 6.35%
July 31, 2001	$0.851B	▼ 28.19%
June 29, 2001	$1.185B	▼ 17.94%
May 31, 2001	$1.444B	▼ 15.80%
April 30, 2001	$1.715B	▲ 56.05%
March 30, 2001	$1.099B	▼ 23.31%
February 28, 2001	$1.433B	▼ 21.05%
January 31, 2001	$1.815B	▼ 20.57%
2000	$2.285B	▲ 211.73%
December 29, 2000	$2.285B	▲ 31.17%
November 30, 2000	$1.742B	▼ 22.61%
October 31, 2000	$2.251B	▼ 5.38%
September 29, 2000	$2.379B	▲ 11.64%
August 31, 2000	$2.131B	▲ 24.40%
July 31, 2000	$1.713B	▼ 19.99%
June 30, 2000	$2.141B	▲ 40.67%
May 31, 2000	$1.522B	▲ 17.53%
April 28, 2000	$1.295B	▼ 16.93%
March 31, 2000	$1.559B	▼ 10.61%
February 29, 2000	$1.744B	▲ 73.19%
January 31, 2000	$1.007B	▲ 37.38%
1999	$0.733B	▲ 31.36%
December 31, 1999	$0.733B	▲ 40.42%
November 30, 1999	$0.522B	▲ 11.06%
October 29, 1999	$0.47B	▼ 9.27%
September 30, 1999	$0.518B	▼ 7.33%
August 31, 1999	$0.559B	▲ 33.73%
July 30, 1999	$0.418B	▲ 3.47%
June 30, 1999	$0.404B	▼ 10.02%
May 28, 1999	$0.449B	▼ 7.80%
April 30, 1999	$0.487B	▲ 5.87%
March 31, 1999	$0.46B	▼ 1.08%
February 26, 1999	$0.465B	▼ 17.70%
January 29, 1999	$0.565B	▲ 1.25%
1998	$0.558B	▲ 38.12%
December 31, 1998	$0.558B	▲ 9.84%
November 30, 1998	$0.508B	▲ 23.30%
October 30, 1998	$0.412B	▼ 6.15%
September 30, 1998	$0.439B	▲ 28.74%
August 31, 1998	$0.341B	▼ 23.71%
July 31, 1998	$0.447B	▲ 15.21%
June 30, 1998	$0.388B	▼ 24.81%
May 29, 1998	$0.516B	▲ 18.08%
April 30, 1998	$0.437B	▲ 3.07%
March 31, 1998	$0.424B	▼ 8.62%
February 27, 1998	$0.464B	▼ 7.75%
January 30, 1998	$0.503B	▲ 24.50%
1997	$0.404B	▲ 125.70%
December 31, 1997	$0.404B	▼ 5.39%
November 28, 1997	$0.427B	▲ 13.87%
October 31, 1997	$0.375B	▼ 13.19%
September 30, 1997	$0.432B	▲ 40.26%
August 29, 1997	$0.308B	▼ 8.61%
July 31, 1997	$0.337B	▼ 0.59%
June 30, 1997	$0.339B	▲ 22.83%
May 30, 1997	$0.276B	▲ 9.52%
April 30, 1997	$0.252B	▼ 3.45%
March 31, 1997	$0.261B	▲ 11.54%
February 28, 1997	$0.234B	▲ 5.41%
January 31, 1997	$0.222B	▲ 24.02%
1996	$0.179B	▲ 81.32%
December 31, 1996	$0.179B	▲ 4.07%
November 29, 1996	$0.172B	▲ 2.99%
October 31, 1996	$0.167B	▲ 12.08%
September 30, 1996	$0.149B	▼ 13.87%
August 30, 1996	$0.173B	▼ 4.95%
July 31, 1996	$0.182B	▼ 3.19%
June 28, 1996	$0.188B	▲ 5.62%
May 31, 1996	$0.178B	— 0.00%
April 30, 1996	$0.178B	▲ 14.84%
March 29, 1996	$0.155B	▲ 22.05%
February 29, 1996	$0.127B	▲ 2.42%
January 31, 1996	$0.124B	▲ 25.61%
1995	$98.719M	▲ 23.52%
December 29, 1995	$98.719M	▼ 19.08%
November 30, 1995	$0.122B	▲ 9.91%
October 31, 1995	$0.111B	▼ 9.02%
September 29, 1995	$0.122B	▼ 0.81%
August 31, 1995	$0.123B	▲ 51.85%
July 31, 1995	$81M	— 0.00%
June 30, 1995	$81M	▲ 5.00%
May 31, 1995	$77.146M	▲ 5.17%
April 28, 1995	$73.352M	▼ 6.45%
March 31, 1995	$78.411M	▼ 7.08%
February 28, 1995	$84.386M	▼ 4.88%
January 31, 1995	$88.714M	▲ 11.00%
1994	$79.92M	▲ 748.23%
December 30, 1994	$79.92M	— 0.00%
November 30, 1994	$79.92M	▲ 8.82%
October 31, 1994	$73.44M	▼ 12.82%
September 30, 1994	$84.24M	▲ 14.71%
August 31, 1994	$73.44M	▲ 47.83%
July 29, 1994	$49.68M	▲ 4.55%
June 30, 1994	$47.52M	▲ 404.35%
May 31, 1994	$9.422M	— 0.00%

All market cap values reflect closing prices for the period shown.

📊 Nektar Therapeutics Market Cap and Other Industry Peers

Below are selected companies from the Health Care sector / subsector:

Note: Market capitalization figures are based on available sources and may differ slightly from actual values, particularly for historical data.