Monolithic Power Systems (MPWR) - Market capitalization

Market cap: £44.68 Billion

As of September 2026 Monolithic Power Systems has a market cap of £44.68 Billion. This makes Monolithic Power Systems the world's 418th 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 Monolithic Power Systems from 2004 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	£44.68 B	32.74%
2025	£33.66 B	41.35%
2024	£23.81 B	0.4%
2023	£23.72 B	72.89%
2022	£13.72 B	-18.55%
2021	£16.84 B	39.03%
2020	£12.11 B	104.63%
2019	£5.92 B	52.11%
2018	£3.89 B	12.78%
2017	£3.45 B	27.8%
2016	£2.70 B	58.28%
2015	£1.70 B	37.54%
2014	£1.24 B	54.19%
2013	£0.80 B	63.62%
2012	£0.49 B	50.52%
2011	£0.32 B	-12.94%
2010	£0.37 B	-27.96%
2009	£0.52 B	79.93%
2008	£0.28 B	-19.93%
2007	£0.36 B	109.9%
2006	£0.17 B	-25.74%
2005	£0.23 B	79.44%
2004	£0.12 B

End of Day market cap according to different sources

On Sep 19th, 2026 the market cap of Monolithic Power Systems was reported to be:

£44.68 Billion

by Nasdaq

£44.68 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Analog Devices ADI	£135.93 B	204.21%	🇺🇸 USA
Maxim Integrated MXIM	£20.68 B	-53.71%	🇺🇸 USA
Semtech SMTC	£12.89 B	-71.15%	🇺🇸 USA
Power Integrations POWI	£2.10 B	-95.30%	🇺🇸 USA
O2Micro OIIM	£0.10 B	-99.76%	Cayman Islands

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 Monolithic Power Systems (MPWR)

Market cap: £44.68 Billion