United States · Funded startup

Who invested in Protom International

3 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.

BiotechHealthcare

Funding summaryUpdated 26 Oct 2026

$32Mraised across 3 rounds since 2009, from 3 sources

$936KRound$860KDebt$30MRound
Latest round
Round, $30MApr 2017
Step-upi
34.9×
Investors
1
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.

20092011201320152017
$936KRound$860KDebt$30MRound
First round
Round, $936K
Apr 2009
Biggest round
$30M
Round · Apr 2017
Usual gap between rounds
4.1 years
the median of 2

The rounds

  1. Apr 2017
    Round$30M1 new
    • Michaelson Capital Partners

    Reported by FinSMEs

  2. Mar 2013
    Debt$860K

    No investor was named in the report.

    Reported by sec.govSEC filing: $860K sold, first sale Aug 2012

  3. Apr 2009
    Round$936K

    No investor was named in the report.

    From a historical funding recordSEC filing: $936K sold, first sale Apr 2009

Founders and team

From the SEC filings it signed: 1 on the team.

  • Stephen P SpottsExecutive Officer, Directori

On the board, as filediGregory P LaneJames P BennettPhilip P IncarnatiRobert P CurryThomas P Blanton

Everyone who backed them

Michaelson Capital Partnersno record of our own yet1round

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

Quick answers about Protom International

Who invested in Protom International?

Protom International's investors include Michaelson Capital Partners.

How much has Protom International raised?

Protom International has raised $32M across 3 rounds since 2009.

When did Protom International last raise?

Protom International's most recent round was an Undisclosed round of $30M in Apr 2017.

What was Protom International's biggest round?

Its most recent round, $30M in Apr 2017, is also its largest on record.

Who backed Protom International first?

Protom International's first round on record, in Apr 2017, was backed by Michaelson Capital Partners.

What stage is Protom International at?

Protom International's latest named round is an Undisclosed round, in Apr 2017.

Where is Protom International based?

Protom International is based in the United States.

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