United States · Who invested in TherOx?
TherOx's investors include Kleiner Perkins Caufield & Byers, DAG Ventures, Integral Capital Partners, KPCB Holdings and New Science Venture.
20082009201020112012201320142015
$30MSeries E$3.7MDebt$5.6MDebt$964KDebt$17MVentureUnited States · Venture startup
Who invested in TherOx
Funding summaryUpdated 26 Oct 2026
$57Mraised across 5 rounds since 2008, from 5 sources
$30MSeries E$3.7MDebt$5.6MDebt$964KDebt$17MVenture
- Latest round
- Venture, $17MAug 2015
- Biggest round
- $30MSeries E · Feb 2008
- Step-upi
- 17.4×
- Investors
- 5
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 E, $30M Feb 2008
- Biggest round
- $30M Series E · Feb 2008
- Usual gap between rounds
- 12 months the median of 4
The rounds
- Aug 2015Venture$17M
No investor was named in the report.
From a historical funding recordSEC filing: $17M sold, first sale Jul 2015
- Aug 2014Debt$964K
No investor was named in the report.
From a historical funding recordSEC filing: $964K sold, first sale Aug 2014
- Nov 2013Debt$5.6M1 returning
From a historical funding recordSEC filing: $5.6M sold, first sale Jan 2013
- Mar 2013Debt$3.7M
No investor was named in the report.
Reported by sec.govSEC filing: $3.7M sold, first sale Jan 2013
- Feb 2008Series E$30M5 new
Kleiner Perkins Caufield & Byers
DAG Ventures- Integral Capital Partners
- KPCB Holdings
New Science Venture
Reported by vcastocks.com
Founders and team
From the SEC filings it signed: 1 on the team.
- Kevin T. LarkinExecutive Officer, Directori
On the board, as filediC. Raymond LarkinD. Keith GrossmanFrank M. FischerNicholas Raymond Pianim
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 E2008Debt2013Debt2013Debt2014Venture2015Kleiner Perkins Caufield & ByersDAG VenturesIntegral Capital PartnersKPCB HoldingsNew Science Venture
Kleiner Perkins Caufield & ByersDAG VenturesIntegral Capital PartnersKPCB HoldingsNew Science VentureEveryone who backed them
Integral Capital PartnersGrowth equity1round
KPCB HoldingsInvestment firm1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about TherOx
How much has TherOx raised?
TherOx has raised $57M across 5 rounds since 2008.
When did TherOx last raise?
TherOx's most recent round was a Venture of $17M in Aug 2015.
What was TherOx's biggest round?
TherOx's largest round on record is $30M (Series E), in Feb 2008.
Who backed TherOx first?
TherOx's first round on record, in Feb 2008, was backed by Kleiner Perkins Caufield & Byers, DAG Ventures and Integral Capital Partners and 2 others.
What stage is TherOx at?
TherOx's latest named round is a Venture, in Aug 2015.
Where is TherOx based?
TherOx is based in the United States.
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