Atossa Therapeutics

1D
1W
1M
3M
YTD
1Y
5Y
ALL

Why Robinhood?

You can watch ATOS and buy or sell other stocks, ETFs, and their options commission-free!

About ATOS

Atossa Therapeutics, Inc. operates as a clinical-stage pharmaceutical company, which engages in the development of novel therapeutics and delivery methods for the treatment of breast cancer and other breast conditions. The company was founded by Steven C. 

CEO
Steven C. Quay
CEOSteven C. Quay
Employees
15
Employees15
Headquarters
Seattle, Washington
HeadquartersSeattle, Washington
Founded
2008
Founded2008
Employees
15
Employees15

ATOS Key Statistics

Market cap
72.76M
Market cap72.76M
Price-Earnings ratio
-36.13
Price-Earnings ratio-36.13
Dividend yield
Dividend yield
Average volume
3.02M
Average volume3.02M
High today
$0.61
High today$0.61
Low today
$0.5321
Low today$0.5321
Open price
$0.5973
Open price$0.5973
Volume
2.84M
Volume2.84M
52 Week high
$1.29
52 Week high$1.29
52 Week low
$0.5321
52 Week low$0.5321

Stock Snapshot

With a market cap of 72.76M, Atossa Therapeutics(ATOS) trades at $0.57. The stock has a price-to-earnings ratio of -36.13.

During the trading session on 2026-02-02, Atossa Therapeutics(ATOS) shares reached a daily high of $0.61 and a low of $0.53. At a current price of $0.57, the stock is +7.1% higher than the low and still -6.6% under the high.

Trading activity shows a volume of 2.84M, compared to an average daily volume of 3.02M.

Over the past 52 weeks, Atossa Therapeutics(ATOS) stock has traded between a high of $1.29 and a low of $0.53.

Over the past 52 weeks, Atossa Therapeutics(ATOS) stock has traded between a high of $1.29 and a low of $0.53.

ATOS News

TipRanks 2d
Atossa Genetics trading halted, news pending

19:50 EST Atossa Genetics trading halted, news pending Published first on TheFly – the ultimate source for real-time, market-moving breaking financial news. Tr...

People also own

Based on the portfolios of people who own ATOS. This list is generated using Robinhood data, and it’s not a recommendation.

Similar Marketcap

This list is generated by looking at the six larger and six smaller companies by market cap in relation to this company.

Popular Stocks

This list is generated by looking at the top 100 stocks and ETFs most commonly held by Robinhood customers and showing a random subset

Newly Listed

This list is generated by showing companies that recently went public.

All investments involve risks, including the loss of principal. Securities trading offered through Robinhood Financial LLC, Member SIPC and a registered broker-dealer. Options are risky and aren’t suitable for all investors. To learn more about risks, read the Options Disclosure Document.