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BeyondSpring market cap BYSI

Share price times shares outstanding: what the whole company sells for, since 2017.

Today, Oct 23, 2026
$17.7M
Highest close in our data
$1.1B
Aug 2021

BeyondSpring is worth $17.7M at the close on Oct 23, 2026, at $0.43 a share.

That is down 78% over the last year and down 97% over five years.

Its highest close in our data was $1.1B in Aug 2021.

Market cap over time

Open the interactive chart, with overlays and comparisons

Year by year

YearEnd of yearLowHighChange
2026 so far$17.7M$17.7M$76.9M−76%
2025$74.2M$44.3M$127.8M+17%
2024$63.2M$34.3M$139.2M+80%
2023$35.1M$28.8M$105.1M−52%
2022$73.2M$22.3M$177.3M−59%
2021$177.3M$157.4M$1.1B−48%
2020$340.2M$240.4M$502.2M−8%
2019$367.9M$284.7M$549.5M−17%
2018$441.8M$362.9M$700.7M−10%
2017$490.9M$415.9M$734.3Mn/a

Against its peers

Companies in Drug Manufacturers - General nearest BeyondSpring's size, closest first, today.

CompanyMarket cap
BYSIBeyondSpring$17.7M
ATNMActinium Pharmaceuticals$47.8M
SPROSpero Therapeutics$64.6M
LFVNLifevantage$73.4M
Peer median$64.6M

What the market cap tells you

Share price times shares outstanding: what the whole company sells for today.

Size, not quality. Large caps move slower and are covered more. That is all it tells you.

More on BeyondSpring

Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.