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Quantum Circuits

Quantum Circuits

Private
New Haven, ConnecticutFrontier & Industrial Techhttps://www.quantumcircuits.com

Last Round

Series B

Aug 15, 2024

Total Funding Raised

$105M

Company Overview

Quantum Circuits is a quantum computing company that develops superconducting quantum computers designed to enhance research capabilities and facilitate the scaling of quantum technology with integrated error correction systems for reliable computations using qubits.

Sector

Frontier & Industrial Tech

Verticals

Quantum Computing, Computing Hardware, Cloud Infrastructure, Platform-as-a-Service

Business Model

B2B

Customer Profile

Usage-Based SaaS, Services & Consulting, Government Contracts, Hardware Sales

AI Layer

Non-AI

Keywords

full-stack quantum computingQuantum-as-a-ServiceQCaaSsuperconducting qubitsgate-model quantum computingquantum error correctionbuilt-in error detectionfault-tolerant quantum computingquantum hardwarequantum cloud servicehigh-fidelity qubitsquantum processing unitQPUDual-Rail Cavity Qubitsoftware development kitSDKquantum application simulator

Historical Pricing

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Quantum Circuits Comps

Public and private peers based on sector, stage, and business model.

CompanyStatusEst. ValuationRev Multiple
OpenAIPrivate$86.0B~40x
CoherePrivate$5.0B--
Competitor 1Public$XX.XBXXx
Competitor 2Public$XX.XBXXx

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Quantum Circuits Funding Rounds

Historical fundraising activity

RoundDateAmount RaisedValuationInvestorsSources
Series BAug 15, 2024
Series B ExtensionMay 1, 2024
Series ANov 14, 2017

Key People

Founding team and executive leadership

Ray Smets

President And CEO

Executive Team

Allen Dinh

Chief Financial Officer

Executive Team

Quantum Circuits Investors

Notable investors and investment history

InvestorRounds
Connecticut InnovationsSeries B
ARCH Venture PartnersSeries B
F-Prime CapitalSeries B
Hither Creek VenturesSeries B
Osage University PartnersSeries A, Series B
ARCH Venture PartnersSeries B
Sequoia CapitalSeries B Extension, Series A, Series B

Market signals

Structured signals derived from secondary market and firmographic data.

  • Nov 1, 2025

    Technology based on a decade of research from Yale University's quantum labs.

  • Sep 2, 2025

    Integrated with NVIDIA's CUDA-Q platform for dual-rail qubit applications.

Quantum Circuits Filings

SEC and related filings with document metadata.

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Quantum Circuits Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersNew Haven, Connecticut
Employee Range40
Year Founded2015
Last FundingAug 15, 2024

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