Leyden Labs
PrivateLast Round
VC Round
Jun 25, 2026
Total Funding Raised
$209.97M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Leyden Labs operates in Healthcare & Life Sciences and is based in Leiden. Its latest recorded funding round was a VC Round in June 2026.
Leyden Labs is a biotechnology company that develops intranasal products aimed at liberating humanity from respiratory viruses by providing broad-spectrum protection against multiple viral strains simultaneously.
Sector
Healthcare & Life Sciences
Verticals
Biotechnology, Drug Discovery, Clinical Trials
Business Model
B2B
Customer Profile
Services & Consulting
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Leyden Labs Comparables
Compare Leyden Labs with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Lovaltech | 86% | |
| InvisiShield Technologies | 84% | |
| NorthLinks Bio | 84% |
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Leyden Labs Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| VC Round | Jun 25, 2026 | ||||
| VC Round | Oct 2, 2025 | ||||
| Debt | Jun 3, 2025 | ||||
| VC Round | Jan 9, 2025 | ||||
| Series B | Jan 25, 2022 | ||||
Series A | Mar 25, 2021 |
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Key People
Founding team and executive leadership
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Leyden Labs Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| SoftBank Investment Advisers | Series B, VC Round |
| European Innovation Council Fund | VC Round |
| GV | VC Round, Series B, Series A |
| Invest-NL | VC Round |
| F-Prime Capital | Series B, Series A, VC Round |
| ClavystBio | VC Round |
| SoftBank Group | Series B, VC Round |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 21, 2026
Monthly visitors grew 307% MoM, reaching 2.3K.
- Jun 24, 2026
$46M raised with Gates Foundation and others
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Recent news
Latest coverage and updates
- is_developingSep 29, 2026
Leyden Labs and IVI initiate a partnership formalized through a memorandum of understanding to develop innovative solutions to infectious disease prevention, applying Leyden Labs's mucosal protection platform to improve protection against viruses such as influenza and measles in South Korea.
- attends_eventSep 22, 2026
Leyden Labs attends TechEU Summit 2026 in Luxembourg on Sep 22nd '26, where its CFO accepts the Innovation Champion Award and EIC Fund Award on behalf of the team.
- receives_awardSep 22, 2026
Leyden Labs receives the Innovation Champion Award and EIC Fund Award at TechEU Summit 2026 in Luxembourg on Sep 22nd '26', organized by the European Investment Bank Group in partnership with the European Commission, for its dedication to developing nasal sprays that protect against airborne viruses.
- hiresSep 9, 2026
Susan Sobolov, former President and COO of RIGImmune, is now CTO of Leyden Labs, and her technology could play an increasing role in the company’s development strategy.
- acquiresSep 9, 2026
Leyden Labs acquires RIGImmune Inc. earlier in 2026, including RIG-101, to complement its intranasal antibody pipeline in Netherlands.
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Leyden Labs 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 Leyden Labs's valuation, stock price, and market status.
Is Leyden Labs a public or private company?
Leyden Labs is a private company.
What is the current stock price of Leyden Labs?
Leyden Labs is a private company, so its shares have no public market price. Caplight tracks Leyden Labs's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Leyden Labs worth (valuation)?
Valuation information for Leyden Labs is not publicly available.
Can I buy Leyden Labs stock?
Leyden Labs shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Leyden Labs's last funding round?
Leyden Labs's most recent funding round was VC Round on June 25, 2026.
Who are the main investors in Leyden Labs?
Key investors in Leyden Labs include European Innovation Council Fund, GV, Invest-NL, ClavystBio, European Investment Bank Group.
Will Leyden Labs IPO soon?
No public IPO plans have been announced for Leyden Labs.
How can I track Leyden Labs secondary market activity?
Caplight tracks bids, offers, and trades in Leyden Labs's shares on secondary markets.