When was Quantinuum founded?

Quantinuum was founded in 2021 and raised its 1st funding round 2 years after it was founded.

Where is Quantinuum located?

Quantinuum is headquartered in Broomfield, United States. It is registered at PARTNERSHIP HOUSE,CARLISLE PLACE,LONDON,ENGLAND,SW1P 1BX.

How many employees does Quantinuum have?

As of May 31, 2026, the latest employee count at Quantinuum is 670.

Is Quantinuum a funded company?

Quantinuum is a funded company, having raised a total of $1.34B across 2 funding rounds to date. The company's 1st funding round was a $500M Series D round, raised on Dec 20, 2023.

When was the latest funding round of Quantinuum?

Quantinuum's latest funding was a $839M Series E round on Aug 15, 2025, with participation from 7 investors.

Is Quantinuum a Quantum Computing company?

The primary sector of Quantinuum is Quantum Computing.

Where does Quantinuum rank among its competitors?

Quantinuum ranks 9th amongst 65 active competitors, of which 19 are funded. It stands 1st in terms of total funding among its competitors. The most recent competitor to raise funding was QuantWare, which secured $178M in May, 2026.

Who are the top competitors of Quantinuum?

Quantinuum's top competitors include Infleqtion, QpiAI and Nanofiber Quantum Technologies. Among them, QuantWare secured the most recent funding round in May, 2026.

Quantinuum - 2026 Company Profile, Team, Funding & Competitors

Quantinuum is a public company based in Broomfield (United States), founded in 2021 by Ilyas Khan and Harrison Dietz. It operates as a Provider of quantum solution through research. Quantinuum has raised $1.34B in funding from JPMorgan Chase. The company has 65 active competitors, including 19 funded and 4 that have exited. Its top competitors include companies like Infleqtion, QpiAI and Nanofiber Quantum Technologies.

Sectors and market segments that Quantinuum operate in

Quantinuum serves in the High Tech market segments.The primary business model of Quantinuum is:

High Tech > Quantum Computing > ***** **** > ***** ******

Company Details

Provider of quantum solution through research. It provides users with research labs dedicated to quantum computing technology. It caters to drug discovery, healthcare, materials science, cybersecurity, energy transformation, and climate change.

Website: www.quantinuum.com/
Registered Address: PARTNERSHIP HOUSE,CARLISLE PLACE,LONDON,ENGLAND,SW1P 1BX

Key Metrics

Founded Year

2021

Location

Broomfield, United States

Stage

Public

Total Funding

$1.34B in 2 rounds

Latest Funding Round

Series E, Aug 15, 2025, $839M

Investors

JPMorgan Chase & 10 more

Ranked

9^th among 65 active competitors

Employee Count

670 as on May 31, 2026

Similar Companies

Infleqtion & 74 more

Exit Details

Public

View Quantinuum's full profile

Quantinuum is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
Quantinuum Ltd CIN: 9109848 , United Kingdom, Active	Jun 30, 2014	-	-

Quantinuum got listed on Jun 04, 2026.

Click here to take a look at Quantinuum's IPO in detail

Quantinuum has raised a total funding of $1.34B over 2 rounds. Its first funding round was on Dec 20, 2023. Its latest funding round was a Series E round on Aug 15, 2025 for $839M. 7 investors participated in its latest round. Quantinuum has 10 institutional investors and 1 angel investor.

Here is the list of recent funding rounds of Quantinuum:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Aug 15, 2025	$839M	Series E	$10B	-	JPMorgan Chase	Quanta Computer, Serendipity Capital, NVentures, QED Investors, Mitsui, Amgen
Dec 20, 2023	$500M	Series D	$5B	-	JPMorgan Chase	Mitsui, Amgen, Honeywell

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View details of Quantinuum's funding rounds and investors

The founders of Quantinuum are Ilyas Khan and Harrison Dietz.

Here are the details of Quantinuum's key team members:

Ilyas Khan: Founder & CPO of Quantinuum and founder of 2 other companies, STANHILL CAPITAL PARTNERS and Cambridge Quantum. They serve on the board of 1 company.
Harrison Dietz: Business Analyst to the Founder and Chief Product Officer of Quantinuum.

View details of Quantinuum's Founder profiles and Board Members

Quantinuum's employee count trend

Quantinuum has 670 employees as of May 26. Here is Quantinuum's employee count trend over the years:

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Top competitors of Quantinuum include Infleqtion, QpiAI and Nanofiber Quantum Technologies. Here is the list of Top 10 competitors of Quantinuum, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Infleqtion 2007, Louisville (United States), Public	Provider of neutral-atom quantum technology, products and solutions	$311M	Maverick Ventures, Foundry & 31 others	70/100
2nd	QpiAI 2019, Bengaluru (India), Series A	Developer of integrated quantum computing and artificial intelligence solutions	$65.6M	Famy Ananta, SIDBI Venture Capital & 39 others	63/100
3rd	Nanofiber Quantum Technologies 2022, Shinjuku (Japan), Series A	Provider of multiple hardware for quantum computing solutions	$23.9M	Phoenix Venture Partners, JAFCO Group & 8 others	62/100
4th	Quantum Computing 2018, Leesburg (United States), Public	Provider of application software development and consultancy services	-	Falcon Capital	61/100
5th	SpinQ 2018, Shenzhen (China), Series C	Provider of quantum computing systems, software, and educational solutions	$87.2M	Shenzhen Longli Technology, Shenzhen Angel Investment Guidance Fund ... & 14 others	61/100
6th	PASQAL 2016, Paris (France), Series B	Developer of neutral atom quantum computers, offering hardware, cloud access, and software.	$152M	Temasek, Quantonation & 12 others	59/100
7th	QuantWare 2021, Delft (Netherlands), Series B	Developer of superconducting quantum processors, amplifiers, and foundry services for quantum computing	$211M	FORWARD.one, InnovationQuarter & 11 others	59/100
8th	Chiral Nano 2022, Zurich (Switzerland), Seed	Provider of nanodevice assembly solutions	$15.8M	Crane Venture Partners, HCVC & 5 others	59/100
9th	Quantinuum 2021, Broomfield (United States), Public	Provider of quantum solution through research	$1.34B	Mitsui, Quanta Computer & 9 others	61/100
10th	Quanfluence 2021, Bengaluru (India), Seed	Provider of quantum computing system and services	$2M	pi Ventures, RTBI & 7 others	56/100