Atossa Therapeutics (ATOS) - Market capitalization

Market cap: HK$0.57 Billion

As of February 2026 Atossa Therapeutics has a market cap of HK$0.57 Billion. This makes Atossa Therapeutics the world's 9542th 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 Atossa Therapeutics from 2012 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	HK$0.57 B	-13.9%
2025	HK$0.66 B	-30.89%
2024	HK$0.95 B	11.26%
2023	HK$0.86 B	64.71%
2022	HK$0.52 B	-66.9%
2021	HK$1.57 B	351.14%
2020	HK$0.35 B	213.65%
2019	HK$0.11 B	139.08%
2018	HK$46.69 M	-28.58%
2017	HK$65.38 M	57.88%
2016	HK$41.41 M	-48.87%
2015	HK$80.99 M	-70.27%
2014	HK$0.27 B	-18.46%
2013	HK$0.33 B	-14.44%
2012	HK$0.39 B

End of Day market cap according to different sources

On Jan 31st, 2026 the market cap of Atossa Therapeutics was reported to be:

HK$0.57 Billion

by Nasdaq

HK$0.57 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Johnson & Johnson JNJ	HK$4.277 T	750,103.34%	🇺🇸 USA
Quest Diagnostics DGX	HK$163.39 B	28,556.90%	🇺🇸 USA
LabCorp LH	HK$176.28 B	30,816.33%	🇺🇸 USA
Translate Bio TBIO.defunct	HK$22.06 B	3,769.34%	🇺🇸 USA
NeoGenomics NEO	HK$12.19 B	2,038.09%	🇺🇸 USA
Enzo Biochem ENZB	HK$0.28 B	-49.87%	🇺🇸 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 Atossa Therapeutics (ATOS)

Market cap: HK$0.57 Billion