Quantum Source
PrivateLast Round
Series A
Sep 10, 2024
Total Funding Raised
$77M
Momentum
Top 10%
of companies Caplight tracks
Company Overview
Quantum Source is a quantum computing company that develops photonic technology to scale quantum computers to millions of qubits for applications in industries such as drug development, material science, finance, and cybersecurity.
Sector
Frontier & Industrial Tech
Verticals
Quantum Computing, Computing Hardware
Business Model
B2B
Customer Profile
Services & Consulting, Usage-Based SaaS, Government Contracts
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Quantum Source Comparables
Compare Quantum Source with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| QuiX Quantum | 88% | |
| ORCA Computing | 87% | |
| OptQC Corp. | 86% |
Quantum Source Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A | Sep 10, 2024 | ||||
| Seed | Apr 19, 2023 | ||||
| Seed | Jul 1, 2022 |
Quantum Source Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| 40 North Ventures | Series A |
| Grove Ventures | Seed, Series A |
| Standard Investments | Series A |
| Eclipse Ventures | Seed, Series A |
| Dell Technologies Capital | Series A, Seed |
| 10D | Seed, Series A |
| Pitango Venture Capital | Seed, Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 21, 2026
Monthly visitors increased 30% to 53.5K.
- Jul 25, 2026
Monthly visitors grew 121% MoM, reaching 41K.
Recent news
Latest coverage and updates
- launchesOct 8, 2026
Quantum Source Labs Ltd. unveils proposed QS-LINK quantum interconnect on Oct 8th '26
Quantum Source 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 Quantum Source's valuation, stock price, and market status.
Is Quantum Source a public or private company?
Quantum Source is a private company.
What is the current stock price of Quantum Source?
Quantum Source is a private company, so its shares have no public market price. Caplight tracks Quantum Source's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Quantum Source worth (valuation)?
Valuation information for Quantum Source is not publicly available.
Can I buy Quantum Source stock?
Quantum Source shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Quantum Source's last funding round?
Quantum Source's most recent funding round was Series A on September 10, 2024.
Who are the main investors in Quantum Source?
Key investors in Quantum Source include Grove Ventures, Eclipse Ventures, Dell Technologies Capital, Pitango Venture Capital.
Will Quantum Source IPO soon?
No public IPO plans have been announced for Quantum Source.
How can I track Quantum Source secondary market activity?
Caplight tracks bids, offers, and trades in Quantum Source's shares on secondary markets.