Atossa Therapeutics (ATOS) - Shares outstanding

Number of shares outstanding as of December 2025 : 129,170,425

According to Atossa Therapeutics's latest financial reports and stock price the company's current number of shares outstanding is 129,170,425. At the end of 2025 the company had 129,170,425 shares outstanding. The number of outstanding shares is usually impacted by stock plits and shares buy back.

Shares outstanding history for Atossa Therapeutics from 2018 to 2025

Shares Outstanding at the end of each year

Year	Shares Outstanding	Change
2025	0.12 B	2.7%
2024	0.12 B	-0.02%
2023	0.12 B	-0.66%
2022	0.12 B	0.07%
2021	0.12 B	1145.11%
2020	10.16 M	11.31%
2019	9.13 M	76.14%
2018	5.18 M

Shares Outstanding for similar companies or competitors

Company	Shares Outstanding	differencediff.	Country
Johnson & Johnson JNJ	2,406,195,000	1,762.81%	🇺🇸 USA
LabCorp LH	83,100,000	-35.67%	🇺🇸 USA
Quest Diagnostics DGX	112,000,000	-13.29%	🇺🇸 USA
Enzo Biochem ENZB	52,403,000	-59.43%	🇺🇸 USA
Translate Bio TBIO.defunct	62,908,800	-51.30%	🇺🇸 USA
NeoGenomics NEO	128,415,000	-0.58%	🇺🇸 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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Number of shares outstanding for Atossa Therapeutics (ATOS)

Number of shares outstanding as of December 2025 : 129,170,425