QphoX
PrivateLast 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.
QphoX Comparables
Compare QphoX with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Nu Quantum | 84% | |
| CavilinQ | 82% | |
| SEALSQ Corp | 81% |
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QphoX Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Strategic | Nov 21, 2025 | ||||
| Series A | Jan 17, 2024 | ||||
| Grant | Dec 15, 2021 | ||||
| Seed | May 11, 2021 |
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Key People
Founding team and executive leadership
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QphoX Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Speedinvest | Series A, Seed |
| Quantonation | Series A, Seed |
| European Innovation Council Fund | Grant, Strategic |
| High-Tech Gründerfonds | Series A, Seed |
| Delft Enterprises | Series A, Seed |
| EIC Fund | Series 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.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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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.