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Karyopharm Therapeutics market cap KPTI

Share price times shares outstanding: what the whole company sells for, since 2013.

Today, Oct 23, 2026
$11.7M
Highest close in our data
$1.6B
Apr 2020

Karyopharm Therapeutics is worth $11.7M at the close on Oct 23, 2026, at $0.52 a share.

That is down 79% over the last year and down 97% over five years.

Its highest close in our data was $1.6B in Apr 2020.

Market cap over time

Open the interactive chart, with overlays and comparisons

Year by year

YearEnd of yearLowHighChange
2026 so far$11.7M$8.8M$234.3M−82%
2025$64.5M$32.5M$97.7M−27%
2024$87.9M$79.6M$180.7M−11%
2023$99.1M$81.2M$489.6M−64%
2022$275.9M$210.2M$1.1B−43%
2021$485M$349.6M$1.3B−57%
2020$1.1B$964.5M$1.6B−6%
2019$1.2B$254.4M$1.2B+118%
2018$553.7M$471.8M$1.3B+22%
2017$452.5M$386.5M$550.6M+17%
2016$387.3M$198.3M$409.1M−18%
2015$473.1M$418.5M$1.2B−62%
2014$1.3B$641.4M$1.5B+91%
2013$656.9M$656.9M$656.9Mn/a

Against its peers

Companies in Drug Manufacturers - General nearest Karyopharm Therapeutics' size, closest first, today.

CompanyMarket cap
KPTIKaryopharm Therapeutics$11.7M
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 Karyopharm Therapeutics

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