# Quantinuum funding: rounds and investors > Quantinuum has raised $700M across 2 rounds since 2025. Investors include QED Investors, Korea Investment Partners and JP Morgan. Every round with its source. Source: https://millionrounds.com/company/quantinuum (Millionrounds; every figure on the page links to its filing or article) United States · [Funded startup](https://millionrounds.com/companies) # Who invested in *Quantinuum* 2 rounds we have observed, with the 8 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. Cybersecurity Quantum Computing Raised 2 months ago Valuation: $5.0B, Oct 2024 Follow Quantinuum and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Fquantinuum) Funding summary Updated 5 Nov 2026 **$700M** raised across 2 rounds since 2025, from 3 sources **$600M** Growth **$100M** Grant - **Latest round:** Grant, $100M Sept 2026 - **Biggest round:** $600M Growth · Sept 2025 - **Investors:** 8 (1 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. 2026 **$600M** Growth **$100M** Grant - **First round:** Growth, $600M - **Biggest round:** $600M - **Between rounds:** 12 months ## The rounds - **Sept 2026** Grant **$100M** *3 returning* [QED Investors](https://millionrounds.com/fund/qed-investors) [Korea Investment Partners](https://millionrounds.com/fund/korea-investment-partners) [JP Morgan](https://millionrounds.com/fund/jpmorgan) Source recorded - **Sept 2025** Growth **$600M** *8 new* [JP Morgan Chase](https://millionrounds.com/fund/j-p-morgan-chase) Lead [QED Investors](https://millionrounds.com/fund/qed-investors) [Korea Investment Partners](https://millionrounds.com/fund/korea-investment-partners) [JP Morgan](https://millionrounds.com/fund/jpmorgan) [Mitsui & Co](https://millionrounds.com/fund/mitsui-and-co) [NVentures](https://millionrounds.com/fund/nventures) [Honeywell](https://millionrounds.com/fund/honeywell) [Quanta Computer](https://millionrounds.com/fund/quanta-computer) Reported by TechStartups and 1 other SEC filing: $594M sold, first sale Aug 2025 ## Funding filed with regulators Quantinuum filed 2 raises, $891M in all. Filings say how much was sold and to how many investors; they never name the investors. - Aug 2025 **$839M** 50 investors of $850M offered SEC Form D - Dec 2023 **$52M** 6 investors equity of $62M offered SEC Form D ## Founders and team From Quantinuum's own website: 22 on the team. - **Dr. Patty Lee** Chief Scientist for Hardware Technology Development - **Larry Stack** Chief Commercial Officer - **Lawrence Schwartz** Chief Marketing Officer - **Nitesh Sharan** Chief Financial Officer - **Prof. Harry Buhrman** Chief Scientist for Algorithms and Innovation - **Robin Schulman** Chief Legal Officer - **Rory O’Byrne** Chief People Officer - **Dr. David Muñoz Ramo** Head of Quantum Chemistry - **Dr. Florian Curchod** Head of Quantum Cryptography - **Dr. Stephen Clark** Head of AI - **Dr. Brian Neyenhuis** Director of Cloud Operations - **Dr. Dave Hayes** Director of Computational Design and Theory - **Dr. Elvira Shishenina** Senior Director of Strategic Initiatives - **Dr. Grahame Vittorini** Technical Director for On-Premises Projects and Operations - **Dr. Russell Stutz** Senior Director Product Technologies - **Dr. Steve Sanders** Senior Director Product Engineering Design and Producibility - **Eric Branderiz** Independent Director - **Google Scholar** board of directors And 4 more on the team. ## 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. **Growth** 2025 **Grant** 2026 [QED Investors](https://millionrounds.com/fund/qed-investors) [Korea Investment Partners](https://millionrounds.com/fund/korea-investment-partners) [JP Morgan](https://millionrounds.com/fund/jpmorgan) [JP Morgan Chase](https://millionrounds.com/fund/j-p-morgan-chase) L [Mitsui & Co](https://millionrounds.com/fund/mitsui-and-co) [NVentures](https://millionrounds.com/fund/nventures) [Honeywell](https://millionrounds.com/fund/honeywell) [Quanta Computer](https://millionrounds.com/fund/quanta-computer) ## Everyone who backed them [QED Investors](https://millionrounds.com/fund/qed-investors) VC firm **2** rounds [Korea Investment Partners](https://millionrounds.com/fund/korea-investment-partners) VC firm **2** rounds [JP Morgan](https://millionrounds.com/fund/jpmorgan) Investment bank **2** rounds [JP Morgan Chase](https://millionrounds.com/fund/j-p-morgan-chase) Corporate VC **1** round, led 1 [Mitsui & Co](https://millionrounds.com/fund/mitsui-and-co) Corporate VC **1** round [NVentures](https://millionrounds.com/fund/nventures) Corporate VC **1** round [Honeywell](https://millionrounds.com/fund/honeywell) Investment firm **1** round [Quanta Computer](https://millionrounds.com/fund/quanta-computer) Corporate VC **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=quantinuum). ## Also claim to have backed them These 8 firms list Quantinuum 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. [Owl Ventures](https://millionrounds.com/fund/owl-ventures-3) VC firm Per its own site [EdenBase](https://millionrounds.com/fund/edenbase) VC firm Per its own site [Rank Ventures](https://millionrounds.com/fund/rank-ventures) VC firm Per its own site [Qudit](https://millionrounds.com/fund/qudit) VC firm Per its own site [Qudit Investments](https://millionrounds.com/fund/qudit-investments) VC firm Per its own site [2xN](https://millionrounds.com/fund/2xn) VC firm Per its own site [Adequita Capital](https://millionrounds.com/fund/adequita-capital) Private equity Per its own site [Burlington PR](https://millionrounds.com/fund/burlington-pr) VC firm Per its own site ## Quick answers about Quantinuum ### Who invested in Quantinuum? Quantinuum's investors include QED Investors, Korea Investment Partners, JP Morgan, JP Morgan Chase and Mitsui & Co, and 3 more on record. ### How much has Quantinuum raised? Quantinuum has raised $700M across 2 rounds since 2025. ### When did Quantinuum last raise? Quantinuum's most recent round was a Grant of $100M in Sept 2026. ### What was Quantinuum's biggest round? Quantinuum's largest round on record is $600M (Growth), in Sept 2025, led by JP Morgan Chase. ### Who backed Quantinuum first? Quantinuum's first round on record, in Sept 2025, was backed by JP Morgan Chase, QED Investors and Korea Investment Partners and 5 others. ### What stage is Quantinuum at? Quantinuum's latest named round is a Grant, in Sept 2026. ### Where is Quantinuum based? Quantinuum is based in the United States. ### Who led Quantinuum's rounds? JP Morgan Chase led the Growth in 2025. ## Companies like Quantinuum In the same sector, and raised in the last eighteen months. 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