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Companies / Inogen

Inogen

United States

Inogen produces and sells portable oxygen concentrators and other oxygen therapy equipment

Healthcare & Biotech

Inogen, based in United States, has 2 investors on file, among them Arboretum Ventures and Western Technology Investment. Its site was last checked 13 Nov 2026: site answers.

inogen.com

SEC Form D filings

2 filings
$9.6M sold of $10.0M offered13 Jul 2010$4.5M sold of $10.0M offered2 Mar 2010

Filed by Inogen Inc with the SEC. A Form D reports a private offering; it is not a priced round.

Investors

2 investors on file
InvestorEvidenceType
Arboretum VenturesPortfolio pageVenture capital
Western Technology InvestmentPortfolio pageInvestor

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Its portfolio leans to Healthcare & Biotech (16%), AI & Machine Learning (14%), Fintech (10%).

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See Western Technology Investment's full profile · Who invests alongside it

A company is shown only after its own site answers and carries its name. Sites are checked again on a schedule, because domains lapse and get bought. Round stages and dates come from Fundup AI; investor links come from portfolio pages and rounds; other facts name their source when you point at them. How we grade the data

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VCinfo API
$ curl -H "X-API-Key: YOUR_KEY" \
  https://api.vcinfo.io/v1/companies/inogen.com/investors

# also
GET /v1/companies/inogen.com
GET /v1/companies/inogen.com/news
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