TotalMarketCap

Atossa Therapeutics

ATOSNasdaq United StatesHealth CareBiotechnology: Pharmaceutical Preparations

Market cap

$20.058 M

$2.01 -5.19%

Close of 6 Nov 2026

As of 6 Nov 2026, Atossa Therapeutics (ATOS) has a market capitalization of $20.1M. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.

Revenue

—

Not reported

Earnings

-$34.8M

Loss-making

Shares outstanding

9,979,298

Latest filing cover page

P/E ratio

—

Cap ÷ net income

Biotechnology: Pharmaceutical Preparations, ranked by market cap

All 498 →
  1. #381Seres TherapeuticsMCRB$21.3M
  2. #382ImmutepIMMP$20.6M
  3. #383Atossa TherapeuticsATOS$20.1M
  4. #384TherapeuticsMDTXMD$20.0M
  5. #385Aytu BiopharmaAYTU$19.9M

What if Atossa Therapeutics were worth as much as…

Open the what-if tool →

Gold $28.2T

$2,829,545

Per share 1,407,734× higher

Bitcoin $1.53T

$153,101.76

Per share 76,170× higher

Apple $5.02T

$502,618.78

Per share 250,059× higher

Or at a round number

$50.0M$100.0M$200.0M$500.0M

Where these numbers come from

Share counts and financials for Atossa Therapeutics are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Read the methodology.