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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 operates in Frontier & Industrial Tech and is based in Delft. Its latest recorded funding round was a Strategic round in November 2025.

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

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Pricing history

Caplight clients see full MarketPrice™ history and secondary transactions.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

Momentum history

Caplight clients track how buyer interest and sentiment change over time.

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QphoX Comparables

Compare QphoX with similar companies based on industry and business-model similarity.

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

Historical fundraising activity

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

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QphoX Investors

Notable investors and investment history

QphoX investors
InvestorRounds
SpeedinvestSeries A, Seed
QuantonationSeries A, Seed
European Innovation Council FundGrant, Strategic
High-Tech GründerfondsSeries A, Seed
Delft EnterprisesSeries A, Seed
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.

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Recent news

Latest coverage and updates

  • attends_eventAug 26, 2026

    Qphox attends the QDA Forum, where its CTO Robert Stockill highlights advances in scalable quantum computing and opportunities for innovation.

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QphoX Filings

Explore SEC and related filing metadata, where available.

QphoX filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

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

Is QphoX a public or private company?

QphoX is a private company.

What is the current stock price of QphoX?

QphoX is a private company, so its shares have no public market price. Caplight tracks QphoX's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.

How much is QphoX worth (valuation)?

Valuation information for QphoX is not publicly available.

Can I buy QphoX stock?

QphoX shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.

When was QphoX's last funding round?

QphoX's most recent funding round was Strategic on November 21, 2025.

Who are the main investors in QphoX?

Key investors in QphoX include Speedinvest, Quantonation, High-Tech Gründerfonds.

Will QphoX IPO soon?

No public IPO plans have been announced for QphoX.

How can I track QphoX secondary market activity?

Caplight tracks bids, offers, and trades in QphoX's shares on secondary markets.

Firmographic Details

HeadquartersDelft
Employee Range40
Year Founded2021
Last FundingNov 21, 2025

Institutional Data Access

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