Leyden Labs
Leyden Labs provides a platform that targets commonalities of viral families to protect humanity from known and future viruses.
Total raised
€282M
€282,147,519
Funding rounds
5
Investors
14
distinct backers
Active since
2021-03
latest 2025-10
Funding by year
EUR raised per yearSignals
High confidenceRaise-next likelihood37
base rate 30% for Other
- ▲ In typical raise window
- ▲ Up-round momentum
- ▼ Low backer re-investment
Exit likelihood28
base rate 12% (2+ rounds)
- ▲ 5 rounds raised
- ▲ €100M+ raised
- ▲ 6y since founding
Timing: in window vs cohort gap · momentum up. Funding-only estimates, not predictions and not investment advice — see signals.
Funding rounds
5 rounds| Date | Stage | Amount | Investors | |
|---|---|---|---|---|
| 2025-10-03 | Other | €30M | European Innovation Council (EIC) Fund,Invest-NL | View deal → |
| 2025-06-04 | Debt | €20M | European Investment Bank (EIB) | View deal → |
| 2025-01-10 | Other | €68M | Casdin Capital,ClavystBio,GV (Google Ventures),Polaris Partners,Qiming Venture Partners | View deal → |
| 2022-01-25 | Series B | €124M | Bluebird Ventures,Byers Capital,Casdin Capital,F-Prime Capital,GV,Invus+1 more | View deal → |
| 2021-03-25 | Series A | €40M | GV | View deal → |
Investors
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