/Companies

Quantinuum

NASDAQ: QNTUnicorn · $2B

Broomfield, US · Founded 2021 · Incorporated in Cayman Islands · 744 employees on LinkedIn · 21 known investors

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Quantinuum develops quantum computers and quantum software solutions for applications in drug discovery, healthcare, materials science, cybersecurity, and energy. The company operates as an integrated quantum technology platform serving enterprise and research customers globally.

Founders & leadership

Quantinuum was founded in 2021 by Ilyas Khan.

IKIlyas Khan
Ilyas KhanFounder
RHRajeeb Hazra
Rajeeb HazraFounderHe previously held executive roles managing large P&L operations, with over 20 years of experience in IT infrastructure, high-performance computing, and artificial intelligence, including 10+ years advising government and EU programs on R&D and procurement.
APAvinash Palaniswamy
Avinash PalaniswamyChief Commercial Officer
SSSusan Schwamberger
Susan SchwambergerChief Human Resources Officer & Sr VP, Operations
JS
Jennifer StrableyCorporate Vice President and General ManagerJennifer Strabley is VP and General Manager of Compute Products at Quantinuum, a quantum computing and software platform. She brings experience across R&D, technology development, operations, and product management.
WSWaseem Shiraz
Waseem ShirazVP, Special ProjectsWaseem Shiraz has held successive senior leadership roles at Quantinuum since joining Cambridge Quantum in 2014, including Chief Operating Officer and Chief of Staff, and previously spent nine years as Managing Partner at Stanhill Capital Partners following early-career work in M&A at Morgan Stanley covering energy and utilities; he holds a BSc from UCL.
KKKaniah Konkoly-Thege
Kaniah Konkoly-ThegeSpecial AdvisorKaniah Konkoly-Thege is Chief Legal Officer and Corporate Secretary at Quantinuum, where he leads global legal, compliance, and government affairs. He previously served as General Counsel at Honeywell Quantum Solutions during its merger with Cambridge Quantum and spent over a decade as a senior attorney at the U.S. Department of Energy and the U.S. Department of the Interior.
DH
Denise HolmquistSenior Director Product Operations

Board

VK
Vimal KapurBoard director
GL
Gregory LewisBoard director
AM
Anne MaddenBoard director
NN
Niels NielsenBoard MemberPartner at 2xN

Investors · 21

NVIDIAlisted by NVIDIASanta Clara

How we know: press coverage · company funding news (hacker news) · nvidia.com · Not right? Tell us

Mitsui & CoreportedTokyo

How we know: offering press articles · Not right? Tell us

NVenturesreportedSanta Clara

How we know: the VCSheet dataset · Not right? Tell us

Funding

SEC filings, press & company announcements

$2.6B disclosed across 3 of 4 rounds · 1900–2026

▶$838.8MraisedNov 2025 · 50 investors · Computers
Rule 506(c)
Officers, directors & promoters on the filing
  • Avinash PalaniswamyExecutive Officer
  • Vimal KapurDirector
  • Susan SchwambergerExecutive Officer
  • George ShermanDirector
  • Jennifer StrableyExecutive Officer
  • Ilyas KhanExecutive Officer, Director
  • Waseem ShirazExecutive Officer
  • Gregory LewisDirector
  • Anne MaddenDirector
  • Niels NielsenDirector
  • Kaniah Konkoly-ThegeExecutive Officer
  • Rajeeb HazraExecutive Officer
  • Brian SeredaExecutive Officer
Offering amount
$850M
Amount sold
$838.8M
Minimum investment
$500K
Sales commissions
$13.4M
Placement agents
J.P. MORGAN SECURITIES LLC
First sale
Aug 2025
Incorporated
Other, Cayman Islands, 2021
Federal exemptions
06c
Full filing on SEC EDGAR ↗
▶$52MraisedJan 2024 · 6 investors · Computers
Rule 506(b)
Officers, directors & promoters on the filing
  • Ilyas KhanExecutive Officer, Director
  • Denise HolmquistExecutive Officer
  • Suresh VenkatarayaluDirector
  • Kaniah Konkoly-ThegeExecutive Officer
  • Darius AdamczykDirector
  • Niels NielsenDirector
  • Anne MaddenDirector
  • Rajeeb HazraExecutive Officer, Director
Offering amount
$62M
Amount sold
$52M
First sale
Dec 2023
Incorporated
Other, Cayman Islands, 2021
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Valuation · disclosed

Disclosed events
$2Bvaluation at IPOJun 2026 · $60.00/share · 424B4
filing ↗

Source: SEC prospectus filings, and round valuations the company or its investors disclosed — follow each entry's link for the claim.

Founder mafia

2 people who came through Quantinuum went on to found or lead other companies.

Related companies · 2

Companies working in the same space as Quantinuum.

In the news

Frequently asked questions

What does Quantinuum do?
Quantinuum develops quantum computers and quantum software solutions for applications in drug discovery, healthcare, materials science, cybersecurity, and energy. The company operates as an integrated quantum technology platform serving enterprise and research customers globally.
Who founded Quantinuum?
Quantinuum was founded by Ilyas Khan in 2021.
Who are Quantinuum's investors?
Quantinuum's investors include Access Ventures (New York), Adequita Capital, EdenBase, Honeywell Ventures, ICON Quantum Ventures, Khosla Ventures, Manta Ray Ventures, MESH and 13 more.
How much funding has Quantinuum raised?
Quantinuum has disclosed $2.6B raised across 3 of its 4 known rounds.
Where is Quantinuum headquartered?
Quantinuum is headquartered in Broomfield, US.