United States · Who invested in Calibra Medical?
Calibra Medical's investors include Canaan, Intersouth Partners, Frazier Healthcare Partners, Three Arch Partners and Skyline Ventures.
200920102011
$35MSeries B$1.4MVenture$9.3MVenture$1.0MDebt$8.1MSeries DUnited States · Series D startup
Who invested in Calibra Medical
5 rounds we have observed, with the 5 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
$55Mraised across 5 rounds since 2008, from 5 sources
$35MSeries B$1.4MVenture$9.3MVenture$1.0MDebt$8.1MSeries D
- Latest round
- Series D, $8.1MApr 2011
- Biggest round
- $35MSeries B · Aug 2008
- Step-upi
- 8.1×
- 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 B, $35M Aug 2008
- Biggest round
- $35M Series B · Aug 2008
- Usual gap between rounds
- 12 months the median of 4
The rounds
- Apr 2011Series D$8.1M
No investor was named in the report.
Reported by fis.dowjones.comSEC filing: $8.1M sold, first sale Apr 2011
- Mar 2011Debt$1.0M
No investor was named in the report.
Reported by sec.govSEC filing: $1.0M sold, first sale Feb 2011
- Feb 2010Venture$9.3M
No investor was named in the report.
Reported by deals.venturebeat.comSEC filing: $9.3M sold, first sale Feb 2010
- Nov 2009Venture$1.4M5 returning
Reported by deals.venturebeat.comSEC filing: $1.4M sold, first sale Nov 2009
- Aug 2008Series B$35M5 new
From a historical funding record
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 B2008Venture2009Venture2010Debt2011Series D2011
Canaan
Intersouth Partners
Frazier Healthcare PartnersThree Arch Partners
Skyline Ventures
CanaanIntersouth PartnersFrazier Healthcare PartnersThree Arch PartnersSkyline VenturesThe exit
ExitBuyerPriceWhen
From historical deal records. Wrong? Tell us.
Everyone who backed them
Three Arch PartnersGrowth equity2rounds
Missing a round, or an investor who was in one? Tell us.
Quick answers about Calibra Medical
How much has Calibra Medical raised?
Calibra Medical has raised $55M across 5 rounds since 2008.
When did Calibra Medical last raise?
Calibra Medical's most recent round was a Series D of $8.1M in Apr 2011.
What was Calibra Medical's biggest round?
Calibra Medical's largest round on record is $35M (Series B), in Aug 2008.
Who backed Calibra Medical first?
Calibra Medical's first round on record, in Aug 2008, was backed by Canaan, Intersouth Partners and Frazier Healthcare Partners and 2 others.
What stage is Calibra Medical at?
Calibra Medical's latest named round is a Series D, in Apr 2011.
Where is Calibra Medical based?
Calibra Medical is based in the United States.
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