Alpha & Omega Semiconductor (AOSL) - Market capitalization

Market cap: HK$4.97 Billion

As of December 2025 Alpha & Omega Semiconductor has a market cap of HK$4.97 Billion. This makes Alpha & Omega Semiconductor the world's 6753th 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 Alpha & Omega Semiconductor from 2010 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	HK$4.97 B	-42.51%
2024	HK$8.64 B	52.88%
2023	HK$5.65 B	-7.57%
2022	HK$6.11 B	-50.88%
2021	HK$12.45 B	163.8%
2020	HK$4.72 B	79.66%
2019	HK$2.62 B	37.58%
2018	HK$1.91 B	-37.4%
2017	HK$3.05 B	-20.58%
2016	HK$3.84 B	141.93%
2015	HK$1.58 B	-13.19%
2014	HK$1.82 B	16.89%
2013	HK$1.56 B	-5.35%
2012	HK$1.65 B	19.14%
2011	HK$1.38 B	-37.18%
2010	HK$2.20 B

End of Day market cap according to different sources

On Dec 5th, 2025 the market cap of Alpha & Omega Semiconductor was reported to be:

HK$4.97 Billion

by Nasdaq

HK$4.97 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Monolithic Power Systems MPWR	HK$359.24 B	7,127.45%	🇺🇸 USA
Semtech SMTC	HK$57.35 B	1,053.81%	🇺🇸 USA
Vishay Intertechnology VSH	HK$16.04 B	222.78%	🇺🇸 USA
Diodes Incorporated DIOD	HK$19.00 B	282.45%	🇺🇸 USA
Texas Instruments TXN	HK$1.291 T	25,891.00%	🇺🇸 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 Alpha & Omega Semiconductor (AOSL)

Market cap: HK$4.97 Billion