Leydenjar
Batteries manufacturer
Leydenjar has raised €107M across 5 funding rounds from 11 investors, most recently a round in Sep 2025. Based in Leiden, Netherlands; active in Energy. Data as of Nov 2026.
Leiden, Netherlandswww.leyden-jar.com ↗
Total raised
€107M
€106,500,000
Funding rounds
5
Investors
11
distinct backers
Active since
2018-01
latest 2025-09
Funding by year
EUR raised per yearLeydenjar — funding by year — interactive chart.
Data table
| Leydenjar — funding by year | |
|---|---|
| 2017 | €1.5M |
| 2021 | €22M |
| 2022 | €30M |
| 2023 | €30M |
| 2025 | €23M |
Signals
High confidenceRaise-next likelihood36
base rate 30% for Other
- ▲ In typical raise window
- ▼ Down/flat last round
- ▼ Low backer re-investment
Exit likelihood28
base rate 11% (2+ rounds)
- ▲ €100M+ raised
- ▲ 5 rounds raised
- ▲ 9y since founding (typical exit age)
- ▲ Recent equity round, but funding momentum is down (may be rescue financing)
Timing: in window vs cohort gap · momentum down. Funding-only estimates, not predictions and not investment advice — see signals.
Funding rounds
5 rounds| Date | Stage | Amount | Investors | |
|---|---|---|---|---|
| 2025-09-10 | Other | €23M | Extantia Capital,Invest-NL,US-based consumer electronics company | View deal → |
| 2023-03-02 | Debt | €30M | European Investment Bank | View deal → |
| 2022-12-12 | Debt | €30M | European Investment Bank (EIB) | View deal → |
| 2021-09-02 | Series A | €22M | BOM,Catalus Capital,DOEN Participaties,ING Sustainable Investments,Invest-NL,Somerset Capital Partners+1 more | View deal → |
| 2018-01-01 | Other | €1.5M | — | View deal → |
Investors
11Related news
- EIB backs Leiden-based battery innovator LeydenJar Technologies with €30M loan facilitysiliconcanals.com · 2022-12
- Dutch startup LeydenJar raises €22M to develop its sustainable super-batterysiliconcanals.com · 2021-09
- siliconcanals.nl
- tech.eu
- eib.org
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