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Leyden Labs

Leyden Labs provides a platform that targets commonalities of viral families to protect humanity from known and future viruses.

Leyden Labs has raised €322M across 6 funding rounds from 16 investors, most recently a round in Jun 2026. Based in Amsterdam, Netherlands; founded 2020; active in Healthtech. Data as of 28 Oct 2026.

Amsterdam, NetherlandsFounded 2020www.leydenlabs.com ↗
Healthtech
← All companies
Total raised
€322M
€322,180,434
Funding rounds
6
Investors
16
distinct backers
Active since
2021-03
latest 2026-06

Funding by year

EUR raised per year · 2026 YTD
Leyden Labs — funding by year — interactive chart.
Data table
Leyden Labs — funding by year
2021€40M
2022€124M
2025€118M
2026€40M

Signals

High confidence
Raise-next likelihood22
base rate 30% for Other
  • ▼ Raised very recently
  • ▲ Up-round momentum
  • ▼ Low backer re-investment
Exit likelihood34
base rate 11% (2+ rounds)
  • ▲ €100M+ raised
  • ▲ 6 rounds raised
  • ▲ 6y since founding (typical exit age)
  • ▲ Recently backed by strong-exit-track investors

Timing: too soon vs cohort gap · momentum up. Funding-only estimates, not predictions and not investment advice — see signals.

Funding rounds

6 rounds
DateStageAmountInvestors
2026-06-25Other€40MClavystBio,European Innovation Council (EIC),Gates Foundation Strategic Investment Fund,Invest-NL,other investorsView deal →
2025-10-03Other€30MEuropean Innovation Council (EIC),Invest-NLView deal →
2025-06-04Debt€20MEuropean Investment Bank (EIB)View deal →
2025-01-10Other€68MCasdin Capital,ClavystBio,GV (Google Ventures),Polaris Partners,Qiming Venture PartnersView deal →
2022-01-25Series B€124MBluebird Ventures,Byers Capital,Casdin Capital,F-Prime Capital,GV,Invus+1 moreView deal →
2021-03-25Series A€40MGVView deal →

Investors

16
Bluebird VenturesByers CapitalCasdin CapitalClavystBioEuropean Innovation Council (EIC)European Investment Bank (EIB)F-Prime CapitalGates Foundation Strategic Investment FundGVGV (Google Ventures)Invest-NLInvusother investorsPolaris PartnersQiming Venture PartnersSoftBank Vision Fund 2

Acquisitions

1

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