Leyden Labs: Funding, Investors & Team (Sep 2026)
Leyden Labs aims to help people live their lives to the fullest. Its platform targets commonalities of viral families to protect humanity from known and future viruses. Its portfolio of accessible intranasal product candidates may provide people with the freedom to immediately protect themselves from and prevent the spread of many strains of respiratory viruses, including ones in the influenza and coronavirus families. The Company’s energetic team of world-renown biotechnology veterans and fresh talent is dedicated to thinking differently to free humanity from the burden of respiratory viruses.
Leyden Labs has raised $268M across 4 funding rounds on record, the most recent an undisclosed round of $45.4M announced in Jun 2026.
That round is above the $8.0M median round size for Biotechnology companies tracked on FundedIQ over the last two years.
Leyden Labs Company Profile and Key Stats
Latest funding round on record: Jun 2026.
Leyden Labs Funding Rounds
Leyden Labs raised $47.1M in a Series A announced in Mar 2021.
10 months later, a Series B of $140M was announced in Jan 2022.
3.8 years later, an undisclosed round of $35.2M was announced in Oct 2025.
8 months later, an undisclosed round of $45.4M was announced in Jun 2026.
Leyden Labs Founders and Leadership Team
Contact details for the Leyden Labs team: 1 of 1 has an email address on file.
Start 14-day free trial →Leyden Labs Funding Compared to Other Biotechnology Startups
Leyden Labs' latest round of $45.4M is above the median round in Biotechnology. Medians cover the last 24 months of disclosed rounds.
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Leyden Labs Funding FAQs
What does Leyden Labs do?
Leyden Labs aims to help people live their lives to the fullest. Its platform targets commonalities of viral families to protect humanity from known and future viruses. Its portfolio of accessible intranasal product candidates may provide people with the freedom to immediately protect themselves from and prevent the spread of many strains of respiratory viruses, including ones in the influenza and coronavirus families. The Company’s energetic team of world-renown biotechnology veterans and fresh talent is dedicated to thinking differently to free humanity from the burden of respiratory viruses.
How much funding has Leyden Labs raised?
Leyden Labs has raised $268M across 4 rounds on record. The most recent is an undisclosed round of $45.4M announced in Jun 2026.
When did Leyden Labs last raise funding?
Leyden Labs' most recent funding round on record is an undisclosed round of $45.4M, announced in Jun 2026.
Who is the CEO of Leyden Labs?
Koenraad Wiedhaup is listed as CEO at Leyden Labs.
Where is Leyden Labs headquartered?
Leyden Labs is based in Amsterdam, Noord-Holland, Netherlands.
How many employees does Leyden Labs have?
Leyden Labs is in the 11-50 employee band.
How does Leyden Labs' funding compare to other Biotechnology startups?
Leyden Labs' latest round of $45.4M is above the $8.0M median round size for Biotechnology companies on FundedIQ across 4,179 tracked companies over the last two years.
About FundedIQ's Leyden Labs Funding Data
FundedIQ tracks announced funding rounds and refreshes this profile every week. Round dates, stages and amounts are normalised to a single format, converted to US dollars, and de-duplicated: two records of the same round announced days apart are merged, and two genuinely different rounds are kept apart on the amounts they disclose. Amounts shown are the disclosed figures only — a round announced without a number is listed and excluded from the total rather than estimated.
Employee counts are reported bands, not exact headcounts. Founder and executive names carry the job title on record. Anything we do not hold for Leyden Labs is left off this page rather than filled in.
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