# Adlumin funding: rounds and investors

> Adlumin has raised $70M across 1 round since 2023. Investors include Washington Harbour Partners Lp and SYN Ventures. Every round with its source.

Source: https://millionrounds.com/company/adlumin (Millionrounds; every figure on the page links to its filing or article)

United States · [Series B startup](https://millionrounds.com/companies)

# 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 summary Updated 26 Oct 2026

**$70M** raised across 1 round since 2023, from 1 source

- **Latest round:** Series B, $70M Oct 2023
- **Investors:** 2

See who backed them

## The rounds

- **Oct 2023** Series B **$70M** [Washington Harbour Partners Lp](https://millionrounds.com/fund/washington-harbour-partners-lp) [SYN Ventures](https://millionrounds.com/fund/syn-ventures) Source recorded SEC filing: $11M sold, first sale Jul 2023

## Founders and team

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

- **Jim Adams** Executive Officer i
- **Robert Johnston** Executive Officer, Director i
- **Robert Kalchthaler** Executive Officer i
- **Stephanie Broyles** Executive Officer i

On the board, as filed i *Brendan Fallis* *Dan Burns* *Jay Leek* *Renny McPherson*

## Everyone who backed them

[Washington Harbour Partners Lp](https://millionrounds.com/fund/washington-harbour-partners-lp) Private equity **1** round

[SYN Ventures](https://millionrounds.com/fund/syn-ventures) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=adlumin).

## 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 Ventures](https://millionrounds.com/fund/bluewing-ventures) VC firm Per 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.

## Companies like Adlumin

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

[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Opsin** $21M · Oct 2026](https://millionrounds.com/company/opsin)[**Harmonic Security** $68M · Oct 2026](https://millionrounds.com/company/harmonic-security)[**Reach Security** $60M · Oct 2026](https://millionrounds.com/company/reach-security)[**Persona** $210M · Oct 2026](https://millionrounds.com/company/persona)[**Hilt** $4.7M · Oct 2026](https://millionrounds.com/company/hilt)

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