Atossa Therapeutics (ATOS) - Market capitalization

Market cap: HK$0.28 Billion

As of February 2026 Atossa Therapeutics has a market cap of HK$0.28 Billion. This makes Atossa Therapeutics the world's 9930th 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$0.28 B	-57.22%
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 Feb 20th, 2026 the market cap of Atossa Therapeutics was reported to be:

HK$0.28 Billion

by Nasdaq

HK$0.28 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Johnson & Johnson JNJ	HK$4.566 T	1,611,789.95%	🇺🇸 USA
Quest Diagnostics DGX	HK$175.96 B	62,007.61%	🇺🇸 USA
LabCorp LH	HK$183.56 B	64,692.31%	🇺🇸 USA
Translate Bio TBIO.defunct	HK$22.06 B	7,689.24%	🇺🇸 USA
NeoGenomics NEO	HK$10.00 B	3,429.66%	🇺🇸 USA
Enzo Biochem ENZB	HK$0.28 B	0.92%	🇺🇸 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$0.28 Billion