GlaxoSmithKline (GSK) - Market capitalization

Market cap: £61.57 Billion

As of March 2025 GlaxoSmithKline has a market cap of £61.57 Billion. This makes GlaxoSmithKline the world's 237th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of GlaxoSmithKline from 1996 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	£61.57 B	11.14%
2024	£55.40 B	-7.43%
2023	£59.85 B	0.66%
2022	£59.46 B	-26.44%
2021	£80.82 B	20.06%
2020	£67.32 B	-24.15%
2019	£88.75 B	19.93%
2018	£74.00 B	13.5%
2017	£65.20 B	-14.62%
2016	£76.36 B	14.24%
2015	£66.84 B	-0.09%
2014	£66.90 B	-14.45%
2013	£78.21 B	19.52%
2012	£65.43 B	-11.71%
2011	£74.11 B	12.28%
2010	£66.00 B	-2.59%
2009	£67.76 B	2.75%
2008	£65.95 B	-5.59%
2007	£69.85 B	-9.88%
2006	£77.51 B	-9.29%
2005	£85.45 B	16.61%
2004	£73.28 B	-0.45%
2003	£73.61 B	4.61%
2002	£70.37 B	-33.65%
2001	£106.05 B	-10.15%
2000	£118.03 B	87.5%
1999	£62.94 B	-16.92%
1998	£75.77 B	45.45%
1997	£52.09 B	58.47%
1996	£32.87 B

End of Day market cap according to different sources

On Mar 21st, 2025 the market cap of GlaxoSmithKline was reported to be:

£61.57 Billion

by Yahoo Finance

£61.57 Billion

by CompaniesMarketCap

£62.75 Billion

by Nasdaq

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
AstraZeneca AZN	£179.30 B	191.18%	🇬🇧 UK
Pfizer PFE	£114.93 B	86.65%	🇺🇸 USA
Merck MRK	£181.36 B	194.53%	🇺🇸 USA
Novartis NVS	£171.73 B	178.88%	🇨🇭 Switzerland
Sanofi SNY	£112.40 B	82.54%	🇫🇷 France
Teva Pharmaceutical Industries TEVA	£14.25 B	-76.85%	🇮🇱 Israel
Dynavax Technologies DVAX	£1.32 B	-97.85%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of GlaxoSmithKline (GSK)

Market cap: £61.57 Billion