# Q-CTRL funding: rounds and investors > Q-CTRL has raised $74M across 2 rounds since 2019. Investors include Sequoia Capital, Sierra Ventures and Main Sequence Ventures. Every round with its source. Source: https://millionrounds.com/company/q-ctrl (Millionrounds; every figure on the page links to its filing or article) Australia · [Series B startup](https://millionrounds.com/companies) # 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. Deeptech Quantum Computing Software Follow Q-CTRL and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Fq-ctrl) Funding summary Updated 5 Nov 2026 **$74M** raised across 2 rounds since 2019, from 2 sources **$15M** Series A **$59M** Series B - **Latest round:** Series B, $59M Oct 2024 - **Led by:** GP Bullhound - **Step-up i:** 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. 2020 2021 2022 2023 2024 **$15M** Series A **$59M** Series B - **First round:** Series A, $15M - **Biggest round:** $59M - **Between rounds:** 5.1 years ## The rounds - **Oct 2024** Series B **$59M** *12 new* *3 returning* [GP Bullhound](https://millionrounds.com/fund/gp-bullhound) Lead [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Salesforce Ventures](https://millionrounds.com/fund/salesforce-ventures) [HSG](https://millionrounds.com/fund/hsg) [DCVC](https://millionrounds.com/fund/data-collective) [Sierra Ventures](https://millionrounds.com/fund/sierra-ventures) [Main Sequence Ventures](https://millionrounds.com/fund/main-sequence) [Lockheed Martin](https://millionrounds.com/fund/lockheed-martin-ventures) [Alpha Edison](https://millionrounds.com/fund/alpha-edison) [NTT Finance](https://millionrounds.com/fund/ntt-finance) [ICM Allectus](https://millionrounds.com/fund/icm-allectus) [John Eales](https://millionrounds.com/fund/john-eales) [Salus Group](https://millionrounds.com/fund/salus-group) [TISI](https://millionrounds.com/fund/tisi) Reported by Startup Daily - **Sept 2019** Series A **$15M** *5 new* [Square Peg Capital](https://millionrounds.com/fund/square-peg-capital) Lead [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) [Sierra Ventures](https://millionrounds.com/fund/sierra-ventures) [Horizons Ventures](https://millionrounds.com/fund/horizons-ventures) [Main Sequence Ventures](https://millionrounds.com/fund/main-sequence) Reported by Forbes ## 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. **Series A** 2019 **Series B** 2024 [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) [Sierra Ventures](https://millionrounds.com/fund/sierra-ventures) [Main Sequence Ventures](https://millionrounds.com/fund/main-sequence) [Square Peg Capital](https://millionrounds.com/fund/square-peg-capital) L [GP Bullhound](https://millionrounds.com/fund/gp-bullhound) L [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Salesforce Ventures](https://millionrounds.com/fund/salesforce-ventures) [HSG](https://millionrounds.com/fund/hsg) [DCVC](https://millionrounds.com/fund/data-collective) [Horizons Ventures](https://millionrounds.com/fund/horizons-ventures) ## Everyone who backed them [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) VC firm **2** rounds [Sierra Ventures](https://millionrounds.com/fund/sierra-ventures) VC firm **2** rounds [Main Sequence Ventures](https://millionrounds.com/fund/main-sequence) VC firm **2** rounds [Square Peg Capital](https://millionrounds.com/fund/square-peg-capital) VC firm **1** round, led 1 [GP Bullhound](https://millionrounds.com/fund/gp-bullhound) Advisor **1** round, led 1 [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm **1** round [Salesforce Ventures](https://millionrounds.com/fund/salesforce-ventures) Corporate VC **1** round [HSG](https://millionrounds.com/fund/hsg) VC firm **1** round [DCVC](https://millionrounds.com/fund/data-collective) VC firm **1** round [Horizons Ventures](https://millionrounds.com/fund/horizons-ventures) VC firm **1** round [Lockheed Martin](https://millionrounds.com/fund/lockheed-martin-ventures) Corporate VC **1** round [Alpha Edison](https://millionrounds.com/fund/alpha-edison) VC firm **1** round [NTT Finance](https://millionrounds.com/fund/ntt-finance) VC firm **1** round [ICM Allectus](https://millionrounds.com/fund/icm-allectus) Growth equity **1** round [John Eales](https://millionrounds.com/fund/john-eales) Angel **1** round [Salus Group](https://millionrounds.com/fund/salus-group) Growth equity **1** round [TISI](https://millionrounds.com/fund/tisi) Growth equity **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=q-ctrl). ## 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 Capital](https://millionrounds.com/fund/bullhound-capital) VC firm Per its own site [1802 Ventures](https://millionrounds.com/fund/1802-ventures) VC firm Per 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. [**Metacognition** $5.0M · Oct 2026](https://millionrounds.com/company/metacognition)[**Amber** $148M · Sept 2026](https://millionrounds.com/company/amber)[**Buildkite** $21M · Sept 2026](https://millionrounds.com/company/buildkite)[**Gridsight** $38M · Sept 2026](https://millionrounds.com/company/gridsight)[**Sophiie AI** $5.0M · Aug 2026](https://millionrounds.com/company/sophiie-ai)[**Zitcha** $26M · Jul 2026](https://millionrounds.com/company/zitcha) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app