QuintessenceLabs
PrivateLast Round
Series B
Extension
Apr 1, 2025
Total Funding Raised
$43M
Company Overview
QuintessenceLabs is a cybersecurity company that provides quantum-resilient data protection solutions, including high-speed quantum random number generation, crypto-agile key management, and quantum key distribution.
Sector
Cybersecurity
Verticals
Data Protection, Quantum Computing, Cloud Security, Defense Tech
Business Model
B2B
Customer Profile
Hardware Sales, Subscription SaaS, Government Contracts, Services & Consulting
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
QuintessenceLabs Comparables
Compare QuintessenceLabs with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Qrypt | 87% | |
| Crypto4A Technologies | 84% | |
| QuSecure | 82% |
QuintessenceLabs Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B Extension | Apr 1, 2025 | ||||
| Series B Extension | Mar 8, 2022 | ||||
| Series B | Oct 26, 2021 | ||||
| VC Round | Feb 19, 2020 | ||||
| Grant | Jan 23, 2018 | ||||
Grant | Jul 17, 2017 |
Key People
Founding team and executive leadership
QuintessenceLabs Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Main Sequence | Series B Extension, Series B |
| Westpac Banking Corporation | VC Round |
| InterValley Ventures | Series B, Series B Extension |
| National Reconstruction Fund Corporation | Series B Extension |
| Australian Government Defence Innovation Hub | Grant |
| In-Q-Tel | VC Round |
| Chevron Technology Ventures | Series B Extension |
Market signals
Structured signals derived from secondary market and firmographic data.
- Oct 16, 2025
Partnered with CSIRO and AARNet on a joint project.
- Jun 10, 2025
Won the 2025 Intellyx Digital Innovator Award.
Recent news
Latest coverage and updates
- launchesSep 24, 2026
QuintessenceLabs launches TSF Sentry.
- attends_eventSep 23, 2026
QuintessenceLabs attended event Quantum World Congress on Sep 23rd '26.
QuintessenceLabs 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 QuintessenceLabs's valuation, stock price, and market status.
Is QuintessenceLabs a public or private company?
QuintessenceLabs is a private company.
What is the current stock price of QuintessenceLabs?
QuintessenceLabs is a private company with no public stock price. No recent secondary market data is available.
How much is QuintessenceLabs worth (valuation)?
Valuation information for QuintessenceLabs is not publicly available.
Can I buy QuintessenceLabs stock?
QuintessenceLabs 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 QuintessenceLabs's last funding round?
QuintessenceLabs's most recent funding round was Early Funding on March 31, 2025.
Who are the main investors in QuintessenceLabs?
Key investors in QuintessenceLabs include Main Sequence, National Reconstruction Fund Corporation, In-Q-Tel, Chevron Technology Ventures.
Will QuintessenceLabs IPO soon?
No public IPO plans have been announced for QuintessenceLabs.
How can I track QuintessenceLabs secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor QuintessenceLabs's secondary market activity and sign up for updates.