Atossa Therapeutics (ATOS) - Market capitalization

Market cap: HK$0.72 Billion

As of December 2025 Atossa Therapeutics has a market cap of HK$0.72 Billion. This makes Atossa Therapeutics the world's 9328th 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 2025

End of year Market Cap

Year	Marketcap	Change
2025	HK$0.72 B	-24.02%
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 Dec 16th, 2025 the market cap of Atossa Therapeutics was reported to be:

HK$0.72 Billion

by Nasdaq

HK$0.72 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Johnson & Johnson JNJ	HK$3.922 T	538,584.57%	🇺🇸 USA
LabCorp LH	HK$166.82 B	22,812.96%	🇺🇸 USA
Quest Diagnostics DGX	HK$155.38 B	21,242.02%	🇺🇸 USA
Enzo Biochem ENZB	HK$0.28 B	-60.91%	🇺🇸 USA
Translate Bio TBIO.defunct	HK$21.96 B	2,916.67%	🇺🇸 USA
NeoGenomics NEO	HK$11.74 B	1,513.02%	🇺🇸 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$0.72 Billion