Shares outstanding · 2012–2025

Karyopharm Therapeutics shares outstanding

18.3M−85.5% · FY2025

Karyopharm Therapeutics (KPTI) reported 18.3M in shares outstanding for fiscal 2025, −85.5% year on year.

2.1M201229.7M201332.7M201435.9M201541.9M201649.5M201760.8M201865.5M201973.9M202075.7M2021113M2022115M2023126M202418.3M2025
Karyopharm Therapeutics — Shares outstanding, 2012–2025
Fiscal yearShares outstandingChangeFiling
FY20252026-02-0518.3M−85.5%Open →
FY20242025-02-14126M+9.9%Open →
FY20232023-12-31115M+1.4%Open →
FY20222023-02-10113M+49.6%Open →
FY20212021-12-3175.7M+2.5%Open →
FY20202020-12-3173.9M+12.8%Open →
FY20192020-02-1465.5M+7.8%Open →
FY20182018-12-3160.8M+22.8%Open →
FY20172017-12-3149.5M+18.3%Open →
FY20162016-12-3141.9M+16.8%Open →
FY20152015-12-3135.9M+9.7%Open →
FY20142014-12-3132.7M+9.9%Open →
FY20132013-12-1629.7M+1,301.0%Open →
FY20122012-12-312.1M—Open →

Shares outstanding — Shares outstanding is the number of shares in issue at the reporting date. A falling count usually means the company is buying back stock; a rising one means it is issuing.

Every row links to its own SEC filing · Fiscal year 2025 · Data as of September 25, 2026 · 2012–2025 compound annual growth +18.0%

Shares outstanding at companies of similar size

Cite this page

Ready-made references for the figures on this page, as published on September 25, 2026.

Wikipedia

{{cite web |title=Karyopharm Therapeutics shares outstanding |url=https://companiesranked.com/en/company/karyopharm-therapeutics/shares-outstanding |website=CompaniesRanked |date=2026-09-25 |language=en}}

APA 7

CompaniesRanked. (September 25, 2026). Karyopharm Therapeutics shares outstanding. CompaniesRanked. https://companiesranked.com/en/company/karyopharm-therapeutics/shares-outstanding

BibTeX

@misc{companiesranked-en-company-karyopharm-therapeutics-shares-outstanding-2026,
  author       = {{CompaniesRanked}},
  title        = {{Karyopharm Therapeutics shares outstanding}},
  year         = {2026},
  howpublished = {\url{https://companiesranked.com/en/company/karyopharm-therapeutics/shares-outstanding}},
  note         = {Compiled from SEC EDGAR XBRL filings; data as of 2026-09-25},
  urldate      = {2026-09-25}
}

The filing itself

The numbers above are read from this document: 10-K · 0001193125-26-049397 · February 13, 2026

{{cite web |title=Karyopharm Therapeutics shares outstanding — 10-K (0001193125-26-049397) |url=https://www.sec.gov/Archives/edgar/data/1503802/000119312526049397/kpti-20251231.htm |website=SEC EDGAR |publisher=U.S. Securities and Exchange Commission |date=2026-02-13}}

The figures are rebuilt with every data refresh, so the reference carries the publication date. Add your own access date if your style requires one.

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