United States · Series A startup

Who invested in Quantum Secure

One round we have observed, with the one investor named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

IT Services

Funding summaryUpdated 26 Oct 2026

$3.5Mraised across 1 round since 2006, from 1 source

Latest round
Series A, $3.5MOct 2006
Investors
1
See who backed them

The rounds

  1. Oct 2006
    Series A$3.5M

    Reported by venturebeat.com

Everyone who backed them

Dunrath CapitalPrivate equity1round

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

Quick answers about Quantum Secure

Who invested in Quantum Secure?

Quantum Secure's investors include Dunrath Capital.

How much has Quantum Secure raised?

Quantum Secure has raised $3.5M across 1 round since 2006.

When did Quantum Secure last raise?

Quantum Secure's most recent round was a Series A of $3.5M in Oct 2006.

What was Quantum Secure's biggest round?

Its most recent round, $3.5M in Oct 2006, is also its largest on record.

Who backed Quantum Secure first?

Quantum Secure's first round on record, in Oct 2006, was backed by Dunrath Capital.

What stage is Quantum Secure at?

Quantum Secure's latest named round is a Series A, in Oct 2006.

Where is Quantum Secure based?

Quantum Secure is based in the United States.

Companies like Quantum Secure

In the same sector, and raised in the last eighteen months.

Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.