Telstra (TLS.AX) - Market capitalization

Market cap: £27.63 Billion

As of December 2025 Telstra has a market cap of £27.63 Billion. This makes Telstra the world's 631th 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 Telstra from 1997 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	£27.63 B	19.84%
2024	£23.05 B	-5.78%
2023	£24.47 B	-5.51%
2022	£25.90 B	-3%
2021	£26.70 B	33.55%
2020	£19.99 B	-11.06%
2019	£22.47 B	19.5%
2018	£18.81 B	-24.45%
2017	£24.89 B	-29.99%
2016	£35.56 B	5.48%
2015	£33.71 B	-12.12%
2014	£38.36 B	8.61%
2013	£35.32 B	1.04%
2012	£34.96 B	29.32%
2011	£27.03 B	18.35%
2010	£22.84 B	-3.58%
2009	£23.69 B	3.28%
2008	£22.94 B	7.71%
2007	£21.29 B	-13.31%
2006	£24.56 B	18.4%
2005	£20.74 B	-15.75%
2004	£24.62 B	98.89%
2003	£12.38 B	-37.9%
2002	£19.93 B	-19.07%
2001	£24.63 B	-19.76%
2000	£30.70 B	-29.13%
1999	£43.32 B	52.21%
1998	£28.46 B	72.16%
1997	£16.53 B

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 Telstra (TLS.AX)