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Leyden Labs

Leyden Labs

Private
LeidenHealthcare & Life Scienceshttps://leydenlabs.com/

Last Round

VC Round

Jun 25, 2026

Total Funding Raised

$349.97M

Momentum

Top 5%

of companies Caplight tracks

Company Overview

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

Keywords

intranasal sprayrespiratory virus protectionmucosal protectionnasal vaccinebiotechnologyviral transmission preventionbroadly neutralizing antibodiespandemic preparednessclinical-stage biotechdrug developmentnasal drug deliverymucosal immunologyflu preventioncoronavirus protection

Historical Pricing

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Caplight Momentum Score

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Leyden Labs Comparables

Compare Leyden Labs with similar companies based on industry and business-model similarity.

Leyden Labs comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
NorthLinks Bio
85%
Blue Lake Biotechnology, Inc.
83%
InvisiShield Technologies
82%

Leyden Labs Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
VC RoundJun 25, 2026
VC RoundOct 2, 2025
DebtJun 3, 2025
VC RoundJan 9, 2025
Series BJan 25, 2022
Series A
Mar 25, 2021

Key People

Founding team and executive leadership

Koenraad Wiedhaup

Founder and CEO

Founding Team

Marieke van der Lans

CFO, Chief Business Functions Officer

Executive Team

Leyden Labs Investors

Notable investors and investment history

Leyden Labs investors
InvestorRounds
SoftBank Investment AdvisersSeries B, VC Round
European Innovation Council FundVC Round
GVVC Round, Series B, Series A
Invest-NLVC Round
F-Prime CapitalSeries A, Series B, VC Round
ClavystBioVC Round
SoftBank GroupSeries B, VC Round

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 21, 2026

    Monthly visitors grew 307% MoM, reaching 2.3K.

  • Jun 25, 2026

    $46M raised with Gates Foundation and others

Recent news

Latest coverage and updates

  • hiresSep 9, 2026

    Leyden Labs hires Susan Sobolov as CTO.

  • acquiresSep 9, 2026

    Leyden Labs acquired RIGImmune Inc. on Jan 1st '26.

Leyden Labs Filings

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Leyden Labs filings preview — column headings only; records require access
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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 with no public stock price. No recent secondary market data is available.

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. Visit https://www.caplight.com to learn more.

When was Leyden Labs's last funding round?

Leyden Labs's most recent funding round was Early Funding on June 25, 2026.

Who are the main investors in Leyden Labs?

Key investors in Leyden Labs include European Innovation Council, 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 for private companies. Visit https://www.caplight.com to monitor Leyden Labs's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersLeiden
Employee Range69
Year Founded2020
Last FundingJun 25, 2026

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