Australia · Series B startup

Who invested in Q-CTRL

2 rounds we have observed, with the 17 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.

DeeptechQuantum ComputingSoftware

Funding summaryUpdated 5 Nov 2026

$74Mraised across 2 rounds since 2019, from 2 sources

$15MSeries A$59MSeries B
Latest round
Series B, $59MOct 2024
Led by
GP Bullhound
Step-upi
3.9×
Investors
17 (2 led)
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.

20202021202220232024
$15MSeries A$59MSeries B
First round
Series A, $15M
Sept 2019
Biggest round
$59M
Series B · Oct 2024
Between rounds
5.1 years
from the last two

The rounds

  1. Oct 2024
  2. Sept 2019

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

Sequoia CapitalVC firm2rounds
Sierra VenturesVC firm2rounds
Square Peg CapitalVC firm1round, led 1
GP BullhoundAdvisor1round, led 1
Alumni VenturesVC firm1round
Salesforce VenturesCorporate VC1round
HSGVC firm1round
DCVCVC firm1round
Horizons VenturesVC firm1round
Lockheed MartinCorporate VC1round
Alpha EdisonVC firm1round
NTT FinanceVC firm1round
ICM AllectusGrowth equity1round
John EalesAngel1round
Salus GroupGrowth equity1round
TISIGrowth equity1round

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

Also claim to have backed them

These 2 firms list Q-CTRL as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

Bullhound CapitalVC firmPer its own site
1802 VenturesVC firmPer its own site

Quick answers about Q-CTRL

Who invested in Q-CTRL?

Q-CTRL's investors include Sequoia Capital, Sierra Ventures, Main Sequence Ventures, Square Peg Capital and GP Bullhound, and 12 more on record. GP Bullhound led its latest round.

How much has Q-CTRL raised?

Q-CTRL has raised $74M across 2 rounds since 2019.

When did Q-CTRL last raise?

Q-CTRL's most recent round was a Series B of $59M in Oct 2024, led by GP Bullhound.

What was Q-CTRL's biggest round?

Its most recent round, $59M in Oct 2024, is also its largest on record.

Who backed Q-CTRL first?

Q-CTRL's first round on record, in Sept 2019, was backed by Square Peg Capital, Sequoia Capital and Sierra Ventures and 2 others.

What stage is Q-CTRL at?

Q-CTRL's latest named round is a Series B, in Oct 2024.

Where is Q-CTRL based?

Q-CTRL is based in Australia.

Who led Q-CTRL's rounds?

Square Peg Capital led the Series A in 2019; GP Bullhound led the Series B in 2024.

Companies like Q-CTRL

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.