United States · Series C startup

Who invested in OrthoSensor

8 rounds we have observed, with the 4 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.

Medical Devices

Funding summaryUpdated 26 Oct 2026

$76Mraised across 8 rounds since 2008, from 8 sources

$3.4MSeries A$1.6MSeries A$1.0MSeries A$3.0MRound$21MSeries B$15MSeries B$12MSeries B$19MSeries C
Latest round
Series C, $19MMar 2015
Biggest round
$21MSeries B · Jan 2011
Step-upi
1.6×
Investors
4
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

20082009201020112012201320142015
$3.4MSeries A$1.6MSeries A$1.0MSeries A$3.0MRound$21MSeries B$15MSeries B$12MSeries B$19MSeries C
First round
Series A, $3.4M
May 2008
Biggest round
$21M
Series B · Jan 2011
Usual gap between rounds
12 months
the median of 7

The rounds

  1. Mar 2015
    Series C$19M2 new

    From a historical funding recordSEC filing: $17M sold, first sale Nov 2014

  2. Oct 2013
    Series B$12M1 new1 returning

    Reported by finsmes.com

  3. Apr 2012
    Series B$15M1 returning

    Reported by pevc.dowjones.comSEC filing: $29M sold, first sale Dec 2010

  4. Jan 2011
    Series B$21M1 returning

    Reported by finsmes.comSEC filing: $415K sold, first sale Dec 2010

  5. Jan 2010
    Round$3.0M1 returning

    From a historical funding record

  6. Jun 2009
    Series A$1.0M1 returning

    From a historical funding record

  7. Mar 2009
    Series A$1.6M1 returning

    From a historical funding record

  8. May 2008
    Series A$3.4M1 new

    From a historical funding record

Founders and team

From the SEC filings it signed: 7 on the team.

  • Ivan DelevicExecutive Officer, Directori
  • John Kyu LeoExecutive Officeri
  • John Kyu MastrototaroExecutive Officeri
  • Jonathan TrousdaleExecutive Officeri
  • Martin RocheExecutive Officer, Directori
  • Roman BensenExecutive Officeri
  • Steve Kyu SegerExecutive Officeri

On the board, as filediChang Kyu KimChris Kyu DeweyDavid MatlinManuel AgueroMark BaumgartnerMichael Stansky

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 A2008Series A2009Series A2009Round2010Series B2011Series B2012Series B2013Series C2015Ziegler Meditech Equity PartnersTullis Health InvestorsDignity HealthBridger Healthcare

Everyone who backed them

Tullis Health InvestorsPrivate equity1round
Dignity HealthGrowth equity1round
Bridger HealthcareCorporate VC1round

Missing a round, or an investor who was in one? Tell us.

Quick answers about OrthoSensor

Who invested in OrthoSensor?

OrthoSensor's investors include Ziegler Meditech Equity Partners, Tullis Health Investors, Dignity Health and Bridger Healthcare.

How much has OrthoSensor raised?

OrthoSensor has raised $76M across 8 rounds since 2008.

When did OrthoSensor last raise?

OrthoSensor's most recent round was a Series C of $19M in Mar 2015.

What was OrthoSensor's biggest round?

OrthoSensor's largest round on record is $21M (Series B), in Jan 2011.

Who backed OrthoSensor first?

OrthoSensor's first round on record, in May 2008, was backed by Ziegler Meditech Equity Partners.

What stage is OrthoSensor at?

OrthoSensor's latest named round is a Series C, in Mar 2015.

Where is OrthoSensor based?

OrthoSensor is based in the United States.

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