Allegro MicroSystems (ALGM) - Market capitalization

Market cap: £3.73 Billion

As of March 2025 Allegro MicroSystems has a market cap of £3.73 Billion. This makes Allegro MicroSystems the world's 2701th 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 Allegro MicroSystems from 2020 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	£3.73 B	14.14%
2024	£3.26 B	-28.54%
2023	£4.57 B	-3.66%
2022	£4.74 B	-6.64%
2021	£5.08 B	37.23%
2020	£3.70 B

End of Day market cap according to different sources

On Mar 12th, 2025 the market cap of Allegro MicroSystems was reported to be:

£3.54 Billion

by Nasdaq

£3.54 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Photronics PLAB	£1.01 B	-72.69%	🇺🇸 USA
Power Integrations POWI	£2.46 B	-33.90%	🇺🇸 USA
PDF Solutions PDFS	£0.64 B	-82.76%	🇺🇸 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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Market capitalization of Allegro MicroSystems (ALGM)

Market cap: £3.73 Billion