Quantinuum

📍 Broomfield, United States🗓 Founded 2021👥 757 employees💰 Last funded Nov 2025
Computer and Network Security🌐 quantinuum.com
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Quantinuum is a leading quantum computing company offering a full-stack platform designed to make quantum computing deployable in real-world environments. The company has commercially deployed multiple generations of trapped-ion based quantum systems built on the well-established QCCD architecture, which it has implemented with novel designs and capabilities to achieve the industry’s highest accuracy levels based on average two-qubit gate fidelity. Quantinuum has active engagements with market leaders across pharmaceuticals, material science, financial services, and government and industrial markets, as well as academic and research institutions globally.
12
Total investors
7
Early stage
5
Mid stage
0
Late stage
2021
Founded

Investors

12 investors
All
Early stage
Mid stage
Late stage
Early stage· 6
Zeynep Koruturk
Zeynep Koruturk
Founding & Managing Partner at Firgun Ventures
early stage
11 investments
Feb 2022
Rob Jesudason (Hon DBA)
Rob Jesudason (Hon DBA)
CEO & Founding Partner @ Serendipity Capital | Investing in Critical Technologies (Machine intelligence, Quantum, Photonics, Semiconductors, Cyber security) | Former Global Banking Executive
early stage
8 investments
Jan 2022
Dr. Chris Donegan
Dr. Chris Donegan
Strategic Advisory, Investment and Governance
early stage
18 investments
Jul 2021
Ben Daniels
Ben Daniels
Founding GP @ Backcountry | Previously Founder @ IBM Ventures
early stage
9 investments
Jan 2020
Lars Fjeldsoe-Nielsen
Lars Fjeldsoe-Nielsen
Bringing Education to the World | Investor | Board Member | ex: Uber, Dropbox | Malaria Fighter
early stage
14 investments
Dec 2019
Sri Pangulur
Sri Pangulur
Partner at Mayfield | AI & Enterprise
Advisor and Investor
early stage
84 investments
Dec 2019
Mid stage· 5
Vin D.
Vin D.
Managing Partner, Materials Ventures | Founder, Materials Launchpad
mid stage
21 investments
Nov 2025
Santiago Fernández Montes
Santiago Fernández Montes
Energy (Oil & Gas & Renewables) | Business Development
Private Investor
mid stage
3 investments
Sep 2025
William Ventura
William Ventura
Resonance Partners
mid stage
Sep 2025
Tony Fai
Tony Fai
Partner at MESH
mid stage
15 investments
Aug 2025
Cary Burch
Cary Burch
Founder | CEO | Investor | Human Governed AI | Quantum | RegTech | FinTech | Infrastructure Economy | Innovation | Protecting the HUMAN FACTOR and The HUMAN EXPERIENCE
Investor / Adviser
mid stage
10 investments
Sep 2024
Shareholders· 1
Charles Seely
Charles Seely
Early-stage investor, Entrepreneur and Advisor
Investor/shareholder
early stage
16 investments
Jul 2019
Investor geography4 countries
United States
7
United Kingdom
3
Singapore
1
Mexico
1
Investor activity2019–2025 · investors recorded per year
201932020120211202222024120254
Recent (last 2y)Earlier
Frequently asked questions
Who invested in Quantinuum?
Quantinuum has 12 investors on record on gritt.io, including 7 early-stage backers, 5 mid-stage.
When did Quantinuum last raise funding?
The most recent investment in Quantinuum recorded on gritt.io was in November 2025.
When was Quantinuum founded?
Quantinuum was founded in 2021.
What industry is Quantinuum in?
Quantinuum operates in Computer and Network Security. Find similar Computer and Network Security investors on gritt.io.
Where is Quantinuum based?
Quantinuum is headquartered in Broomfield, United States.