Allegro MicroSystems (ALGM) - Market capitalization

Market cap: €4.67 Billion

As of December 2025 Allegro MicroSystems has a market cap of €4.67 Billion. This makes Allegro MicroSystems the world's 2924th 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	€4.67 B	18.59%
2024	€3.94 B	-25.22%
2023	€5.27 B	-1.56%
2022	€5.35 B	-11.66%
2021	€6.06 B	47.6%
2020	€4.10 B

End of Day market cap according to different sources

On Dec 4th, 2025 the market cap of Allegro MicroSystems was reported to be:

€4.58 Billion

by Nasdaq

€4.58 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Photronics PLAB	€1.25 B	-73.23%	🇺🇸 USA
Power Integrations POWI	€1.75 B	-62.51%	🇺🇸 USA
PDF Solutions PDFS	€1.00 B	-78.40%	🇺🇸 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: €4.67 Billion