United States · 
Who invested in ImThera Medical Inc?
ImThera Medical Inc's investors include Cyberonics.
201020112012201320142015
$700KSeries B$520KVenture$1.0MVenture$400KVenture$4.0MSeries C$750KVenture$4.0MSeries C$427KVenture$4.7MVentureUnited States · Venture startup
Who invested in ImThera Medical Inc
10 rounds we have observed, with the one investor 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
$18Mraised across 10 rounds since 2009, from 10 sources
$700KSeries B$520KVenture$1.0MVenture$400KVenture$1.8MVenture$4.0MSeries C$750KVenture$4.0MSeries C$427KVenture$4.7MVenture
- Latest round
- Venture, $4.7MNov 2015
- Step-upi
- 10.9×
- Investors
- 1
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, $700K Jul 2009
- Biggest round
- $4.7M Venture · Nov 2015
- Usual gap between rounds
- 8 months the median of 8
The rounds
- Nov 2015Venture$4.7M
No investor was named in the report.
From a historical funding recordSEC filing: $4.7M sold, first sale Oct 2014
- Mar 2015Venture$427K
No investor was named in the report.
From a historical funding recordSEC filing: $427K sold, first sale Mar 2015
- Apr 2013Venture$750K
No investor was named in the report.
Reported by sec.govSEC filing: $730K sold, first sale Dec 2012
- Apr 2013
- Oct 2011
- May 2011Venture$1.8M
No investor was named in the report.
Reported by sec.govSEC filing: $1.8M sold, first sale May 2011
- Mar 2011Venture$400K
No investor was named in the report.
Reported by sec.govSEC filing: $400K sold, first sale Mar 2011
- Nov 2010Venture$1.0M
No investor was named in the report.
From a historical funding recordSEC filing: $1.0M sold, first sale Nov 2010
- Mar 2010Venture$520K
No investor was named in the report.
From a historical funding recordSEC filing: $520K sold, first sale Mar 2010
- Jul 2009Series B$700K
No investor was named in the report.
From a historical funding recordSEC filing: $700K sold, first sale Jul 2009
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about ImThera Medical Inc
How much has ImThera Medical Inc raised?
ImThera Medical Inc has raised $18M across 10 rounds since 2009.
When did ImThera Medical Inc last raise?
ImThera Medical Inc's most recent round was a Venture of $4.7M in Nov 2015.
What was ImThera Medical Inc's biggest round?
Its most recent round, $4.7M in Nov 2015, is also its largest on record.
Who backed ImThera Medical Inc first?
ImThera Medical Inc's first round on record, in Oct 2011, was backed by Cyberonics.
What stage is ImThera Medical Inc at?
ImThera Medical Inc's latest named round is a Venture, in Nov 2015.
Where is ImThera Medical Inc based?
ImThera Medical Inc is based in the United States.
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