STMicroelectronics (STM) - Market capitalization

Market cap: £39.75 Billion

As of May 2026 STMicroelectronics has a market cap of £39.75 Billion. This makes STMicroelectronics the world's 463th 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 STMicroelectronics from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	£39.75 B	129.58%
2025	£17.31 B	-5.04%
2024	£18.23 B	-48.87%
2023	£35.66 B	34.22%
2022	£26.57 B	-19.42%
2021	£32.97 B	33.63%
2020	£24.67 B	35.2%
2019	£18.25 B	80.6%
2018	£10.10 B	-28.81%
2017	£14.19 B	74.09%
2016	£8.15 B	103.55%
2015	£4.00 B	-5.34%
2014	£4.23 B	-2.8%
2013	£4.35 B	11.64%
2012	£3.90 B	16.05%
2011	£3.36 B	-42.62%
2010	£5.85 B	17.21%
2009	£4.99 B	25.95%
2008	£3.96 B	-38.75%
2007	£6.47 B	-23.17%
2006	£8.42 B	-9.71%
2005	£9.33 B	4.01%
2004	£8.97 B	-33.16%
2003	£13.42 B	24.35%
2002	£10.79 B	-44.43%
2001	£19.43 B	-23.87%
2000	£25.52 B	-6.02%
1999	£27.16 B	306.05%
1998	£6.68 B	29.34%
1997	£5.17 B	-8.98%
1996	£5.68 B

End of Day market cap according to different sources

On May 12th, 2026 the market cap of STMicroelectronics was reported to be:

£37.90 Billion

by Nasdaq

£37.89 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Intel INTC	£439.41 B	1,005.29%	🇺🇸 USA
NVIDIA NVDA	£4.017 T	10,005.48%	🇺🇸 USA
Texas Instruments TXN	£205.34 B	416.51%	🇺🇸 USA
Analog Devices ADI	£155.15 B	290.27%	🇺🇸 USA
Maxim Integrated MXIM	£20.38 B	-48.72%	🇺🇸 USA
NXP Semiconductors NXPI	£55.24 B	38.95%	🇳🇱 Netherlands

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 STMicroelectronics (STM)

Market cap: £39.75 Billion