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QphoX

QphoX

Private
DelftFrontier & Industrial Techhttps://qphox.eu/

Last Round

Strategic

Nov 21, 2025

Total Funding Raised

$25.68M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

QphoX is a quantum hardware company that develops quantum transduction systems and quantum modems to connect quantum computers across optical networks.

Sector

Frontier & Industrial Tech

Verticals

Quantum Computing, Computing Hardware

Business Model

B2B

Customer Profile

Hardware Sales, Government Contracts

AI Layer

Non-AI

Keywords

quantum transducerquantum modemquantum networkingsuperconducting quantum processordistributed quantum computingmicrowave-to-optical conversionquantum interconnectquantum hardwarecryogenic hardwarequantum communicationquantum infrastructurequantum internet

Historical Pricing

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Caplight Momentum Score

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QphoX Comparables

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QphoX comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Nu Quantum
84%
CavilinQ
82%
SEALSQ Corp
81%

QphoX Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
StrategicNov 21, 2025
Series AJan 17, 2024
GrantDec 15, 2021
SeedMay 11, 2021

Key People

Founding team and executive leadership

Robert Stockill

Co-Founder And CTO

Founding Team

Simon Groeblacher

Co-Founder and CEO

Founding Team

Martin Bartek

Chief Financial Officer

Executive Team

Burçin Ülgen

Chief Operating Officer

Executive Team

QphoX Investors

Notable investors and investment history

QphoX investors
InvestorRounds
SpeedinvestSeries A, Seed
QuantonationSeries A, Seed
European Innovation Council FundStrategic
High-Tech GründerfondsSeries A, Seed
Delft EnterprisesSeries A, Seed
EIC FundGrant
EIC FundSeries A

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jul 25, 2026

    Monthly visitors increased 74% MoM, reaching 3.7K.

  • Mar 24, 2026

    Collaboration announced to mature optical control of superconducting qubits.

QphoX Filings

SEC and related filings with document metadata.

Data table
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QphoX Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about QphoX's valuation, stock price, and market status.

Firmographic Details

HeadquartersDelft
Employee Range43
Year Founded2021
Last FundingNov 21, 2025

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