United States · Funded startup
Funding summaryUpdated 26 Oct 2026
$214Mraised across 12 rounds since 2007, from 12 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
Correlation Ventures
InterWest Partners
Advanced Technology Ventures
Endeavour VisionReported by FinSMEsSEC filing: $75M sold, first sale Dec 2018
No investor was named in the report.
From a historical funding recordSEC filing: $43M sold, first sale Jul 2015
Correlation VenturesInterWest PartnersAdvanced Technology VenturesEndeavour Vision
HBM PartnersFrom a historical funding recordSEC filing: $43M sold, first sale Jul 2015
From a historical funding recordSEC filing: $3.0M sold, first sale Apr 2015
From a historical funding recordSEC filing: $28M sold, first sale Feb 2013
Reported by sec.govSEC filing: $22M sold, first sale Feb 2013
No investor was named in the report.
Reported by sec.govSEC filing: $900K sold, first sale Jan 2013
No investor was named in the report.
Reported by sec.govSEC filing: $5.0M sold, first sale Feb 2012
No investor was named in the report.
From a historical funding recordSEC filing: $455K sold, first sale Oct 2010
No investor was named in the report.
Reported by sec.govSEC filing: $15M sold, first sale May 2010
No investor was named in the report.
From a historical funding recordSEC filing: $1.5M sold, first sale Nov 2009
From a historical funding record
From Gynesonics's own website and the SEC filings it signed: 8 on the team.
On the board, as filediAlexander SchmitzDavid PacittiGreg GreifeldHugo HarrodJoyce Erony
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Correlation VenturesInterWest PartnersAdvanced Technology Ventures
AbingworthHBM PartnersEndeavour VisionHercules Technology Growth CapitalHBMBain Capital Life Sciences/ AbingworthHealthCrestMissing a round, or an investor who was in one? Tell us.
These 6 firms list Gynesonics as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.
Gynesonics's investors include Correlation Ventures, InterWest Partners, Advanced Technology Ventures, Abingworth and HBM Partners, and 6 more on record.
Gynesonics has raised $214M across 12 rounds since 2007.
Gynesonics's most recent round was an Undisclosed round of $75M in Jan 2019.
Its most recent round, $75M in Jan 2019, is also its largest on record.
Gynesonics's first round on record, in Jan 2007, was backed by InterWest Partners, Advanced Technology Ventures and Abingworth.
Gynesonics's latest named round is an Undisclosed round, in Jan 2019.
Gynesonics is based in the United States.
In the same sector, and raised in the last eighteen months.
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