Market capitalization of GlaxoSmithKline (GSK)

Market cap: NZ$170.38 Billion

As of December 2025 GlaxoSmithKline has a market cap of NZ$170.38 Billion. This makes GlaxoSmithKline the world's 210th 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	NZ$170.38 B	38.2%
2024	NZ$123.29 B	2.25%
2023	NZ$120.57 B	6.42%
2022	NZ$113.30 B	-29.07%
2021	NZ$159.73 B	25.6%
2020	NZ$127.17 B	-26.41%
2019	NZ$172.81 B	23.4%
2018	NZ$140.04 B	12.87%
2017	NZ$124.07 B	-8.78%
2016	NZ$136.02 B	-6.02%
2015	NZ$144.73 B	8.86%
2014	NZ$132.94 B	-15.31%
2013	NZ$156.99 B	22.1%
2012	NZ$128.57 B	-12.89%
2011	NZ$147.59 B	11.75%
2010	NZ$132.08 B	-12.52%
2009	NZ$150.97 B	-9.36%
2008	NZ$166.56 B	-8.07%
2007	NZ$181.18 B	-15.93%
2006	NZ$215.52 B	-0.04%
2005	NZ$215.60 B	9.35%
2004	NZ$197.17 B	-2.67%
2003	NZ$202.58 B	-6.04%
2002	NZ$215.60 B	-41.78%
2001	NZ$370.30 B	-6.85%
2000	NZ$397.52 B	104.24%
1999	NZ$194.63 B	-18.59%
1998	NZ$239.07 B	62.13%
1997	NZ$147.46 B	85.1%
1996	NZ$79.66 B

End of Day market cap according to different sources

On Dec 17th, 2025 the market cap of GlaxoSmithKline was reported to be:

NZ$172.26 Billion

by Nasdaq

NZ$170.39 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
AstraZeneca AZN	NZ$483.09 B	183.53%	🇬🇧 UK
Pfizer PFE	NZ$246.85 B	44.88%	🇺🇸 USA
Merck MRK	NZ$429.53 B	152.10%	🇺🇸 USA
Novartis NVS	NZ$449.24 B	163.66%	🇨🇭 Switzerland
Sanofi SNY	NZ$203.74 B	19.58%	🇫🇷 France
Teva Pharmaceutical Industries TEVA	NZ$59.79 B	-64.90%	🇮🇱 Israel
Dynavax Technologies DVAX	NZ$2.19 B	-98.71%	🇺🇸 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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