Quantinuum

📍 Broomfield, United States🗓 Founded 2021👥 675 employees💰 Last funded Sep 2025
Computer and Network Security🌐 quantinuum.com
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Science led and enterprise driven, Quantinuum unites Cambridge Quantum’s best-in-class software with Honeywell Quantum Solutions’ high-performing trapped-ion hardware. We are scaling quantum computing and developing applications today to solve the world’s most pressing challenges.
11
Total investors
7
Early stage
4
Mid stage
0
Late stage
2021
Founded

Investors

11 investors
All
Early stage
Mid stage
Late stage
Investor geography4 countries
United States
6
United Kingdom
3
Singapore
1
Mexico
1
Investor activity2019–2025 · investors recorded per year
201932020120211202222024120253
Recent (last 2y)Earlier
Frequently asked questions
Who invested in Quantinuum?
Quantinuum has 11 investors on record on gritt.io, including 7 early-stage backers, 4 mid-stage.
When did Quantinuum last raise funding?
The most recent investment in Quantinuum recorded on gritt.io was in September 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.