United States · Series B startup

Who invested in Adlumin

One round we have observed, with the 2 investors 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.

Cybersecurity

Funding summaryUpdated 26 Oct 2026

$70Mraised across 1 round since 2023, from 1 source

Latest round
Series B, $70MOct 2023
Investors
2
See who backed them

The rounds

  1. Oct 2023
    Series B$70M

    Source recordedSEC filing: $11M sold, first sale Jul 2023

Founders and team

From the SEC filings it signed: 4 on the team.

  • Jim AdamsExecutive Officeri
  • Robert JohnstonExecutive Officer, Directori
  • Robert KalchthalerExecutive Officeri
  • Stephanie BroylesExecutive Officeri

On the board, as filediBrendan FallisDan BurnsJay LeekRenny McPherson

Everyone who backed them

Washington Harbour Partners LpPrivate equity1round
SYN VenturesVC firm1round

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

Also claim to have backed them

This firm lists Adlumin as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

BlueWing VenturesVC firmPer its own site

Quick answers about Adlumin

Who invested in Adlumin?

Adlumin's investors include Washington Harbour Partners Lp and SYN Ventures.

How much has Adlumin raised?

Adlumin has raised $70M across 1 round since 2023.

When did Adlumin last raise?

Adlumin's most recent round was a Series B of $70M in Oct 2023.

What was Adlumin's biggest round?

Its most recent round, $70M in Oct 2023, is also its largest on record.

Who backed Adlumin first?

Adlumin's first round on record, in Oct 2023, was backed by Washington Harbour Partners Lp and SYN Ventures.

What stage is Adlumin at?

Adlumin's latest named round is a Series B, in Oct 2023.

Where is Adlumin based?

Adlumin is based in the United States.

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

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