Arq Quantum Technologies
PrivateLast Round
Pre Seed
Jul 16, 2026
Total Funding Raised
$1.4M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Arq Quantum Technologies operates in Telecommunications & Networking and is based in Barcelona. Its latest recorded funding round was a Pre Seed round in July 2026.
Arq Quantum Technologies is a deep-tech company that develops hardware for the quantum internet, including solid-state quantum memories and entangled photon sources.
Sector
Telecommunications & Networking
Verticals
Quantum Computing, Computing Hardware, Network Equipment
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Arq Quantum Technologies Comparables
Compare Arq Quantum Technologies with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Delft Networks B.V. | 82% | |
| Welinq | 81% | |
| Quantum Network Technologies, Inc. | 80% |
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Arq Quantum Technologies Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Pre Seed | Jul 16, 2026 | ||||
| Grant | Mar 3, 2026 | ||||
| Seed | Jan 1, 2026 |
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Arq Quantum Technologies Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| European Union | Grant |
| Big Sur Ventures | Pre Seed, Seed |
| Ground State Ventures | Pre Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 16, 2026
$1.4M round led by Ground State Ventures
- Jan 1, 2026
Seed round led by Big Sur Ventures.
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Arq Quantum Technologies Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
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Frequently Asked Questions
Common questions about Arq Quantum Technologies's valuation, stock price, and market status.
Is Arq Quantum Technologies a public or private company?
Arq Quantum Technologies is a private company.
What is the current stock price of Arq Quantum Technologies?
Arq Quantum Technologies is a private company, so its shares have no public market price. Caplight tracks Arq Quantum Technologies's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Arq Quantum Technologies worth (valuation)?
Valuation information for Arq Quantum Technologies is not publicly available.
Can I buy Arq Quantum Technologies stock?
Arq Quantum Technologies shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Arq Quantum Technologies's last funding round?
Arq Quantum Technologies's most recent funding round was Pre Seed on July 16, 2026.
Who are the main investors in Arq Quantum Technologies?
Key investors in Arq Quantum Technologies include Big Sur Ventures, Ground State Ventures.
Will Arq Quantum Technologies IPO soon?
No public IPO plans have been announced for Arq Quantum Technologies.
How can I track Arq Quantum Technologies secondary market activity?
Caplight tracks bids, offers, and trades in Arq Quantum Technologies's shares on secondary markets.