How much funding has Quantinuum raised?

Quantinuum has raised $900.0M in total funding, most recently a Corporate Round.

Who are Quantinuum's investors?

Quantinuum's investors include Honeywell, JPMorgan Chase, Mitsui & Co, Nvidia, MESH, Korea Investment Partners.

When was Quantinuum founded?

Quantinuum was founded in 2021.

Where is Quantinuum headquartered?

Quantinuum is headquartered in Broomfield, Colorado, United States.

What industry is Quantinuum in?

Quantinuum operates in Quantum Computing.

How many employees does Quantinuum have?

Quantinuum has 201-500 employees.

Quantinuum

IPO

Accelerating Quantum Computing

Broomfield, United States · Founded 2021 · $900.0M raised

Quantum Computing

Headquarters: Broomfield, Colorado
Employees: 201–500
Founded: 2021
Business Model: B2B

Website: quantinuum.com
Total Funding: $900.0M
Last Round: $600.0M Corporate RoundSep 2025
Rounds: 2

About

Formed in 2021 through the merger of Honeywell Quantum Solutions and Cambridge Quantum, Quantinuum is headquartered in Broomfield, Colorado. The company develops both quantum hardware (H-Series trapped-ion quantum computers) and a full suite of quantum software including cybersecurity (Quantum Origin), quantum machine learning (InQuanto), and quantum natural language processing (lambeq). Quantinuum employs over 630 people.

Summary

Quantinuum is a Quantum Computing company based in Broomfield, United States, founded in 2021. It has raised $900.0M in total across 2 rounds, most recently a $600.0M Corporate Round round in Sep 2025. Investors include Honeywell, JPMorgan Chase and Mitsui & Co.

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