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 is a deep-tech company that develops hardware for the quantum internet, including solid-state quantum memories and entangled photon sources.
Sector
Frontier & Industrial Tech
Verticals
Quantum Computing, Network Equipment, Computing Hardware
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting
AI Layer
Non-AI
Keywords
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% |
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 |
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.
Recent news
Latest coverage and updates
- is_developingJul 16, 2026
arqtech is developing quantum repeaters designed to connect quantum computers over long distances on Jul 1st '25.
- receives_financingJul 16, 2026
arqtech received financing of $1.4M in Pre Seed on Jul 1st '25.
Arq Quantum Technologies 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.
Request accessFrequently 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 with no public stock price. No recent secondary market data is available.
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. Visit https://www.caplight.com to learn more.
When was Arq Quantum Technologies's last funding round?
Arq Quantum Technologies's most recent funding round was Grant on March 3, 2026.
Who are the main investors in Arq Quantum Technologies?
Key investors in Arq Quantum Technologies include Big Sur 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 for private companies. Visit https://www.caplight.com to monitor Arq Quantum Technologies's secondary market activity and sign up for updates.