Market capitalization of GlaxoSmithKline (GSK)

Market cap: A$147.04 Billion

As of December 2025 GlaxoSmithKline has a market cap of A$147.04 Billion. This makes GlaxoSmithKline the world's 212th 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	A$147.04 B	31.54%
2024	A$111.78 B	-0.12%
2023	A$111.92 B	5.88%
2022	A$105.70 B	-29.76%
2021	A$150.49 B	26.11%
2020	A$119.34 B	-28.21%
2019	A$166.23 B	24.66%
2018	A$133.34 B	18.14%
2017	A$112.87 B	-13.65%
2016	A$130.71 B	-3.87%
2015	A$135.97 B	6.83%
2014	A$127.28 B	-12%
2013	A$144.63 B	42.11%
2012	A$101.77 B	-9.41%
2011	A$112.34 B	11.99%
2010	A$100.31 B	-17.82%
2009	A$122.07 B	-10.9%
2008	A$137.00 B	-13.69%
2007	A$158.74 B	-17.59%
2006	A$192.61 B	-4.36%
2005	A$201.40 B	10.78%
2004	A$181.80 B	2.62%
2003	A$177.16 B	-11.54%
2002	A$200.27 B	-33.53%
2001	A$301.30 B	-4.37%
2000	A$315.07 B	103.55%
1999	A$154.78 B	-24.78%
1998	A$205.77 B	56.66%
1997	A$131.34 B	85.38%
1996	A$70.85 B

End of Day market cap according to different sources

On Dec 9th, 2025 the market cap of GlaxoSmithKline was reported to be:

A$145.03 Billion

by Nasdaq

A$144.02 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
AstraZeneca AZN	A$426.76 B	190.22%	🇬🇧 UK
Pfizer PFE	A$220.46 B	49.93%	🇺🇸 USA
Merck MRK	A$366.78 B	149.43%	🇺🇸 USA
Novartis NVS	A$378.70 B	157.54%	🇨🇭 Switzerland
Sanofi SNY	A$177.18 B	20.49%	🇫🇷 France
Teva Pharmaceutical Industries TEVA	A$51.41 B	-65.04%	🇮🇱 Israel
Dynavax Technologies DVAX	A$1.92 B	-98.69%	🇺🇸 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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