United States · 
Who invested in Karyopharm Therapeutics?
Karyopharm Therapeutics's investors include Delphi Ventures, Foresite Capital and New Leaf Venture Partners.
2011201220132014
$20MSeries A$10MSeries A$20MVenture$21MVenture$48MSeries B$109MRound$111MRoundUnited States · Funded startup
Who invested in Karyopharm Therapeutics
8 rounds we have observed, with the 3 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Funding summaryUpdated 26 Oct 2026
$358Mraised across 8 rounds since 2010, from 8 sources
$20MSeries A$10MSeries A$20MVenture$21MVenture$48MSeries B$19MSeries B$109MRound$111MRound
- Latest round
- Round, $111MJun 2014
- Investors
- 3
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series A, $20M Nov 2010
- Biggest round
- $111M Round · Jun 2014
- Usual gap between rounds
- 8 months the median of 6
The rounds
- Jun 2014Round$111M
No investor was named in the report.
From a historical funding record
- Nov 2013Round$109M
No investor was named in the report.
Reported by boston.comSEC filing: $19M sold, first sale Jul 2013
- Jul 2013Series B$19M2 new1 returning
Reported by pevc.dowjones.comSEC filing: $19M sold, first sale Jul 2013
- May 2013Series B$48M1 new
Reported by pevc.dowjones.comSEC filing: $21M sold, first sale Apr 2013
- May 2013Venture$21M
No investor was named in the report.
Reported by sec.govSEC filing: $21M sold, first sale Apr 2013
- Jan 2013Venture$20M
No investor was named in the report.
From a historical funding recordSEC filing: $21M sold, first sale Apr 2013
- Nov 2011
- Nov 2010Series A$20M
No investor was named in the report.
Reported by finsmes.comSEC filing: $700K sold, first sale Oct 2010
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Series A2010Series A2011Venture2013Venture2013Series B2013Series B2013Round2013Round2014
Delphi Ventures
Foresite Capital
New Leaf Venture Partners
Delphi VenturesForesite CapitalNew Leaf Venture PartnersThe exit
ExitListingPriceWhen
IPONASDAQ:KPTIundisclosedNov 2013
From historical deal records. Wrong? Tell us.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
This firm lists Karyopharm Therapeutics as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Karyopharm Therapeutics
How much has Karyopharm Therapeutics raised?
Karyopharm Therapeutics has raised $358M across 8 rounds since 2010.
When did Karyopharm Therapeutics last raise?
Karyopharm Therapeutics's most recent round was an Undisclosed round of $111M in Jun 2014.
What was Karyopharm Therapeutics's biggest round?
Its most recent round, $111M in Jun 2014, is also its largest on record.
Who backed Karyopharm Therapeutics first?
Karyopharm Therapeutics's first round on record, in May 2013, was backed by Delphi Ventures.
What stage is Karyopharm Therapeutics at?
Karyopharm Therapeutics's latest named round is an Undisclosed round, in Jun 2014.
Where is Karyopharm Therapeutics based?
Karyopharm Therapeutics is based in the United States.
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