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Leyden Labs

Biotechnology / Healthcare ~700 employees
Founded
--
Employees (Est.)
~700
35 leaders known
Total Funding
$124.6M
Funding Rounds
3
Last Funding
2025-10-02

About Leyden Labs

Leyden Labs is a company focused on protecting humanity from respiratory viruses by stopping infections early at the point of entry, specifically the nasal mucosa. Their mission is to free people from the burden of respiratory viruses, enabling them to live life fully, and to prepare society for future endemic and pandemic threats through innovative antiviral solutions.

Products & Services

Nasal Sprays:Nasal sprays containing antibodies targeting respiratory viruses in the nasal mucosa to stop initial infections, prevent transmission, and provide broad protection against existing and new viruses.
PanFlu™:Lead program with an exclusive license for development and commercialization, currently in clinical trials, aimed at providing autonomous protection against influenza viruses.

Specialties

Mucosal Immunity Antibody Modification for Mucosal Administration Broad Protection Against Respiratory Viruses Intranasal Formulation and Device Development

Funding History

Debug: View Raw Funding Data
# Type Amount Fields Date Fields Investors
1 RT: Equity
T: -
FT: Equity 		A: 33000000
MR: -
FA: €30 million
FAN: 33000000 		D: 2025-10-02
FD: 2025-10-02 		2 investors
2 RT: Venture Debt
T: -
FT: Venture Debt 		A: 21600000
MR: -
FA: €20 million
FAN: 21600000 		D: 2025-06-03
FD: 2025-06-03 		1 investors
3 RT: Venture Round
T: -
FT: Venture Round 		A: 70000000
MR: -
FA: $70M
FAN: 70000000 		D: 2025-01-09
FD: 2025-01-09 		10 investors
Equity Latest
2025-10-02
$33.0M
2 investors (Pro only)
Venture Debt 2025-06-03
$21.6M
Venture Round 2025-01-09
$70.0M

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Growth Metrics

+45%
Employee Growth
YoY
3.2x
Funding Growth
Last Round
12
Markets
Operating
10K+
Customers
Active

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Team & Leadership

K

Koenraad Wiedhaup

Founder and Chief Executive Officer

LinkedIn (Pro only)
R

Ronald Brus

Founder and Chief Growth Officer

LinkedIn (Pro only)
J

Jintanat Ananworanich

Chief Medical Officer

LinkedIn (Pro only)
C

Clarissa Koch

Chief Research Officer

J

Jaap Goudsmit

Founder and Chief Scientist

M

Marieke van der Lans

Chief Financial Officer

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Recent News

Leyden Labs Announces New Product Launch

2 days ago

Company unveils innovative solution to transform the industry, expanding market reach and capabilities...

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Leadership Team Expands with Industry Veteran

1 week ago

New executive brings 20+ years of experience to accelerate growth and strategic initiatives...

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Company Recognized as Industry Leader

2 weeks ago

Receives prestigious award for innovation and customer satisfaction in competitive market...

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Key Competitors

C1

Competitor Alpha

Series B · $50M raised

C2

Competitor Beta

Series C · $120M raised

C3

Competitor Gamma

Series A · $25M raised

C4

Competitor Delta

Seed · $10M raised

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Company Details

Industries
Biotechnology / Healthcare
Company Size
~700 employees (est.)

Technology Stack

Discover the backend, frontend, and infrastructure technologies powering this company's products.

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