United States · Who invested in Inogen?
Inogen's investors include Novo Holdings A/S, Versant Ventures, Avalon Ventures, Arboretum Ventures and Accuitive Medical Ventures.
200720082009201020112012
$22MSeries D$9.6MVenture$20MVentureUnited States · Venture startup
Who invested in Inogen
3 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
$52Mraised across 3 rounds since 2007, from 3 sources
$22MSeries D$9.6MVenture$20MVenture
- Latest round
- Venture, $20MApr 2012
- Biggest round
- $22MSeries D · Feb 2007
- Step-upi
- 2.1×
- 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 D, $22M Feb 2007
- Biggest round
- $22M Series D · Feb 2007
- Usual gap between rounds
- 3.4 years the median of 2
The rounds
- Apr 2012
- Jul 2010Venture$9.6M
No investor was named in the report.
From a historical funding recordSEC filing: $9.6M sold, first sale Feb 2010
- Feb 2007Series D$22M5 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 D2007Venture2010Venture2012Novo Holdings A/S
Versant VenturesAvalon Ventures
Arboretum VenturesAccuitive Medical Ventures
Versant VenturesAvalon VenturesArboretum VenturesAccuitive Medical VenturesThe exit
ExitListingPriceWhen
IPONASDAQ:INGN$86MDec 2008
From historical deal records. Wrong? Tell us.
Everyone who backed them
Novo Holdings A/SGrowth equity2rounds
Avalon VenturesVC firm1round
Accuitive Medical VenturesVC firm1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Inogen
How much has Inogen raised?
Inogen has raised $52M across 3 rounds since 2007.
When did Inogen last raise?
Inogen's most recent round was a Venture of $20M in Apr 2012.
What was Inogen's biggest round?
Inogen's largest round on record is $22M (Series D), in Feb 2007.
Who backed Inogen first?
Inogen's first round on record, in Feb 2007, was backed by Versant Ventures, Avalon Ventures and Novo Holdings A/S and 2 others.
What stage is Inogen at?
Inogen's latest named round is a Venture, in Apr 2012.
Where is Inogen based?
Inogen is based in the United States.
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