Woltair
Prague-based climate tech startup
Woltair has raised €37M across 2 funding rounds from 8 investors, most recently a round in Jun 2023. Based in Prague, Czech Republic; active in Energy. Data as of 4 Nov 2026.
Prague, Czech Republicwww.woltair.cz ↗
Total raised
€37M
€36,800,000
Funding rounds
2
Investors
8
distinct backers
Active since
2022-09
latest 2023-06
Funding by year
EUR raised per yearWoltair — funding by year — interactive chart.
Data table
| Woltair — funding by year | |
|---|---|
| 2022 | €16M |
| 2023 | €21M |
Signals
High confidenceRaise-next likelihood6
base rate 30% for Other
- ▼ Past typical raise window
- ▲ Up-round momentum
- ▼ Low backer re-investment
Exit likelihood9
base rate 11% (2+ rounds)
- ▲ €30M+ raised
- ▼ No recent equity round (debt-only or quiet)
Timing: overdue vs cohort gap · momentum up. Funding-only estimates, not predictions and not investment advice — see signals.
Funding rounds
2 rounds| Date | Stage | Amount | Investors | |
|---|---|---|---|---|
| 2023-06-07 | Other | €21M | ArcTern Ventures,Fifth Wall,Inven Capital,KAYA VC,The Westly Group | View deal → |
| 2022-09-27 | Series A | €16M | ArcTern Ventures,Aternus,Inven Capital,KAYA VC,Movens Capital,The Westly Group | View deal → |