Quantum Circuits key facts
- Manufacturer of quantum computers intended to accelerate research and enable the scaling of quantum computing.
- Quantum Circuits’s last known valuation is $550.0M (Jan 2026).
- It has raised $125.4M across 1 recorded rounds; the latest was Early Stage VC ($26.6M) in Feb 2024.
- Notable investors include Sequoia Capital, In-Q-Tel, F-Prime Capital, TriplePoint Capital, Connecticut Innovations — 12 tracked in total.
- Quantum Circuits has filed 3 Form Ds with the SEC since 2016, most recently May 2024 ($26.6M sold to 15 investors).
- Status: Acquired/Merged (Operating Subsidiary).
Who backs Quantum Circuits
12+- ·The complete investor list: 12 names
- ·Watch Quantum Circuits: the Monday email on marks, rounds and moves
Quantum Circuits funding rounds
1 roundsQuantum Circuits valuation
Quantum Circuits's last known valuation is $550 million, from Jan 2026. The figure stands until a priced round, a secondary trade or an institutional fund mark prices the stock again.
How much has Quantum Circuits raised?
Quantum Circuits has raised $125 million in total; 1 of its rounds is on record. The largest on record was a $26.6 million early-stage round in Feb 2024.
Quantum Circuits has filed 3 Form Ds with the SEC since 2016, most recently in May 2024 ($26.6 million sold to 15 investors).
Quantum Circuits investors
12 investors are on record for Quantum Circuits, including Sequoia Capital, In-Q-Tel, F-Prime Capital and TriplePoint Capital. By type, the record holds 11 venture capital firms. The early-stage round in Feb 2024 drew 15 investors.
About Quantum Circuits
Manufacturer of quantum computers intended to accelerate research and enable the scaling of quantum computing. The company's computers utilize superconducting devices with a quantum circuit model for computation and an integrated error correction system, enabling clients to perform error-free calculations using solid-state quantum bits or qubits.
- Sector
- Information Technology
- HQ
- New Haven, CT, United States
- Founded
- 2015
- Employees
- 50
- Website
- quantumcircuits.com/
- Ownership
- Acquired/Merged (Operating Subsidiary)
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Quantum Circuits’s last known valuation, Jan 2026. A PrivateMarketView mark is published once fund marks, secondary prints or a priced round let us confirm it.