Quantum Circuits Overview
- Year Founded
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2015
- Status
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Acquired/Merged
- Employees
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50
- Latest Deal Type
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M&A
- Latest Deal Amount
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$539M
Quantum Circuits General Information
Description
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.
Contact Information
Website
www.quantumcircuits.com(Operating Subsidiary)
Corporate Office
- 25 Science Park
- Suite 203
- New Haven, CT 06511
- United States
Corporate Office
- 25 Science Park
- Suite 203
- New Haven, CT 06511
- United States
Quantum Circuits Valuation & Funding
| Deal Type | Date | Amount | Raised to Date | Post-Val | Status | Stage |
|---|---|---|---|---|---|---|
| 12. Merger/Acquisition | 20-Jan-2026 | $539M | Completed | Generating Revenue | ||
| 11. Later Stage VC | 30-Jun-2025 | Completed | Generating Revenue | |||
| 10. Later Stage VC (Series B) | 01-May-2024 | Completed | Generating Revenue | |||
| 9. Later Stage VC | 17-Apr-2024 | Completed | Generating Revenue | |||
| 8. Debt - General | 11-May-2023 | Completed | Generating Revenue | |||
| 7. Debt - General | 27-Jan-2023 | Completed | Generating Revenue | |||
| 6. Debt - General | 17-Oct-2022 | Completed | Generating Revenue | |||
| 5. Mezzanine | 29-Apr-2022 | Completed | Generating Revenue | |||
| 4. Later Stage VC (Series B) | 17-May-2021 | $35M | $53M | Completed | Generating Revenue | |
| 3. Debt - PPP | 27-Apr-2020 | $408K | $18M | Completed | Generating Revenue |
Quantum Circuits Cap Table
| Stock | # of Shares Authorized |
Par Value | Dividend Rate (%) | Original Issue Price |
Liquidation | Liquidation Pref. Multiple |
Conversion Price | % Owned |
|---|---|---|---|---|---|---|---|---|
| Series B | ||||||||
| Series A |
Quantum Circuits Comparisons
Industry
Financing
Details
Quantum Circuits Competitors (7)
One of Quantum Circuits’s 7 competitors is Atom Computing, a Venture Capital-Backed company based in Berkeley, CA.
| Company Name | Financing Status | Location | Employees | Total Raised | Last Financing Date/Type | Last Financing Amount |
|---|---|---|---|---|---|---|
| Atom Computing | Venture Capital-Backed | Berkeley, CA | ||||
| Oxford Ionics | Formerly VC-backed | Oxford, United Kingdom | ||||
| PsiQuantum | Venture Capital-Backed | Palo Alto, CA | ||||
| D-Wave Quantum | Formerly VC-backed | Palo Alto, CA | ||||
| Optalysys | Venture Capital-Backed | Leeds, United Kingdom |
News about Quantum Circuits
Dive into recent articles by PitchBook offering invaluable insights and context.
Quantum Circuits Patents
Quantum Circuits Recent Patent Activity
| Publication ID | Patent Title | Status | First Filing Date | Technology (CPC) | Citations |
|---|---|---|---|---|---|
| WO-2025226349-A2 | Dual-rail entangling gates via beamsplitter-activated cross kerr interactions | Pending | 01-Mar-2024 | ||
| WO-2025226349-A3 | Dual-rail entangling gates via beamsplitter-activated cross kerr interactions | Pending | 01-Mar-2024 | ||
| WO-2025226349-A8 | Dual-rail entangling gates via beamsplitter-activated cross kerr interactions | Pending | 01-Mar-2024 | ||
| WO-2025226349-A9 | Dual-rail entangling gates via beamsplitter-activated cross kerr interactions | Pending | 01-Mar-2024 | ||
| WO-2023064576-A1 | Interface between cryogenic computational hardware and room temparature computational hardware | Inactive | 14-Oct-2021 | H01P3/003 |
Quantum Circuits Signals
Growth Rate
Growth
Size Multiple
Key Data Points
Similarweb Unique Visitors
Majestic Referring Domains
Quantum Circuits Former Investors (13)
| Investor Name | Investor Type | Holding | Investor Since | Participating Rounds |
|---|---|---|---|---|
| ARCH Venture Partners | Venture Capital | Minority | ||
| Canaan Partners | Venture Capital | Minority | ||
| Connecticut Innovations | Venture Capital | Minority | ||
| F-Prime | Venture Capital | Minority | ||
| Fitz Gate Ventures | Venture Capital | Minority |
Quantum Circuits FAQs
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When was Quantum Circuits founded?
Quantum Circuits was founded in 2015.
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Where is Quantum Circuits headquartered?
Quantum Circuits is headquartered in New Haven, CT.
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What is the size of Quantum Circuits?
Quantum Circuits has 50 total employees.
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What industry is Quantum Circuits in?
Quantum Circuits’s primary industry is Computers, Parts and Peripherals.
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Is Quantum Circuits a private or public company?
Quantum Circuits is a Private company.
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What is the current valuation of Quantum Circuits?
The current valuation of Quantum Circuits is .
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What is Quantum Circuits’s current revenue?
The current revenue for Quantum Circuits is .
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How much funding has Quantum Circuits raised over time?
Quantum Circuits has raised $125M.
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Who are Quantum Circuits’s investors?
ARCH Venture Partners, Canaan Partners, Connecticut Innovations, F-Prime, and Fitz Gate Ventures are 5 of 13 investors who have invested in Quantum Circuits.
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Who are Quantum Circuits’s competitors?
Atom Computing, Oxford Ionics, PsiQuantum, D-Wave Quantum, and Optalysys are some of the 7 competitors of Quantum Circuits.
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When was Quantum Circuits acquired?
Quantum Circuits was acquired on 20-Jan-2026.
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Who acquired Quantum Circuits?
Quantum Circuits was acquired by D-Wave Quantum.
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