Karyopharm Therapeutics (KPTI) - Shares outstanding

Number of shares outstanding as of December 2025 : 8,669,000

According to Karyopharm Therapeutics 's latest financial reports and stock price the company's current number of shares outstanding is 8,669,000. At the end of 2025 the company had 8,669,000 shares outstanding. The number of outstanding shares is usually impacted by stock plits and shares buy back.

Shares outstanding history for Karyopharm Therapeutics from 2012 to 2025

Shares Outstanding at the end of each year

Year	Shares Outstanding	Change
2025	8.66 M	3.3%
2024	8.39 M	10.03%
2023	7.62 M	27.21%
2022	5.99 M	18.85%
2021	5.04 M	2.64%
2020	4.91 M	15.36%
2019	4.26 M	5.18%
2018	4.05 M	24.91%
2017	3.24 M	17.57%
2016	2.75 M	15.74%
2015	2.38 M	9.43%
2014	2.17 M	13.71%
2013	1.91 M	193.25%
2012	0.65 M

Shares Outstanding for similar companies or competitors

Company	Shares Outstanding	differencediff.	Country
Merck MRK	2,487,348,810	28,592.45%	🇺🇸 USA
Bristol-Myers Squibb BMY	2,036,000,000	23,385.98%	🇺🇸 USA
Abbott Laboratories ABT	1,738,871,947	19,958.51%	🇺🇸 USA
Exelixis EXEL	268,421,000	2,996.33%	🇺🇸 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 Karyopharm Therapeutics (KPTI)

Number of shares outstanding as of December 2025 : 8,669,000