United States · Series C startup

Who invested in SpinalMotion

2 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.

Funding summaryUpdated 26 Oct 2026

$21Mraised across 2 rounds since 2005, from 2 sources

$20MSeries B$500KSeries C
Latest round
Series C, $500KFeb 2009
Biggest round
$20MSeries B · Mar 2005
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.

20052006200720082009
$20MSeries B$500KSeries C
First round
Series B, $20M
Mar 2005
Biggest round
$20M
Series B · Mar 2005
Between rounds
3.9 years
from the last two

The rounds

  1. Feb 2009
  2. Mar 2005
    Series B$20M2 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.

Everyone who backed them

Three Arch PartnersGrowth equity2rounds
Thomas Weisel Venture PartnersGrowth equity2rounds
Skyline VenturesVC firm1round

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

Quick answers about SpinalMotion

Who invested in SpinalMotion?

SpinalMotion's investors include Three Arch Partners, Thomas Weisel Venture Partners, Skyline Ventures and MedVenture Associates.

How much has SpinalMotion raised?

SpinalMotion has raised $21M across 2 rounds since 2005.

When did SpinalMotion last raise?

SpinalMotion's most recent round was a Series C of $500K in Feb 2009.

What was SpinalMotion's biggest round?

SpinalMotion's largest round on record is $20M (Series B), in Mar 2005.

Who backed SpinalMotion first?

SpinalMotion's first round on record, in Mar 2005, was backed by Three Arch Partners and Thomas Weisel Venture Partners.

What stage is SpinalMotion at?

SpinalMotion's latest named round is a Series C, in Feb 2009.

Where is SpinalMotion based?

SpinalMotion is based in the United States.

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