United States · Who invested in Spiracur?
Spiracur's investors include Kleiner Perkins Caufield & Byers, New Leaf Venture Partners, De Novo Ventures, Pinnacle Ventures and GE Capital, and 1 more on record.
20102011201220132014
$20MSeries B$35MVenture$16MDebtUnited States · Funded startup
Who invested in Spiracur
3 rounds we have observed, with the 6 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
$71Mraised across 3 rounds since 2009, from 3 sources
$20MSeries B$35MVenture$16MDebt
- Latest round
- Debt, $16MNov 2014
- Biggest round
- $35MVenture · Feb 2011
- Investors
- 6
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 B, $20M Jun 2009
- Biggest round
- $35M Venture · Feb 2011
- Usual gap between rounds
- 3.8 years the median of 2
The rounds
- Nov 2014
- Feb 2011Venture$35M2 new3 returning
Kleiner Perkins Caufield & Byers
New Leaf Venture Partners- De Novo Ventures
Pinnacle Ventures
Maverick Capital
Reported by finsmes.com
- Jun 2009Series B$20M3 new
Reported by onbiovc.com
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 B2009Venture2011Debt2014Kleiner Perkins Caufield & ByersNew Leaf Venture PartnersDe Novo VenturesPinnacle Ventures
GE CapitalMaverick Capital
Kleiner Perkins Caufield & ByersNew Leaf Venture PartnersDe Novo VenturesPinnacle VenturesGE CapitalMaverick CapitalEveryone who backed them
De Novo VenturesGrowth equity2rounds
Missing a round, or an investor who was in one? Tell us.
Quick answers about Spiracur
How much has Spiracur raised?
Spiracur has raised $71M across 3 rounds since 2009.
When did Spiracur last raise?
Spiracur's most recent round was a Debt of $16M in Nov 2014.
What was Spiracur's biggest round?
Spiracur's largest round on record is $35M (Venture), in Feb 2011.
Who backed Spiracur first?
Spiracur's first round on record, in Jun 2009, was backed by Kleiner Perkins Caufield & Byers, New Leaf Venture Partners and De Novo Ventures.
What stage is Spiracur at?
Spiracur's latest named round is a Debt, in Nov 2014.
Where is Spiracur based?
Spiracur is based in the United States.
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