Skeleton Technologies
Developer and manufacturer of high energy and power density ultracapacitators
Skeleton Technologies has raised €384M across 15 funding rounds from 21 investors, most recently a round in Oct 2026. Based in Tartu, Estonia; founded 2009; active in Cleantech and Energy. Data as of 28 Oct 2026.
Total raised
€384M
€383,800,000
Funding rounds
15
Investors
21
distinct backers
Active since
2013-04
latest 2026-10
Funding by year
EUR raised per year · 2026 YTDSkeleton Technologies — funding by year — interactive chart.
Data table
| Skeleton Technologies — funding by year | |
|---|---|
| 2013 | €2.2M |
| 2014 | €3.9M |
| 2015 | €14M |
| 2016 | €13M |
| 2020 | €41M |
| 2021 | €80M |
| 2022 | €38M |
| 2023 | €159M |
| 2026 | €33M |
Signals
High confidenceRaise-next likelihood9
base rate 30% for Other
- ▼ Raised very recently
- ▼ Down/flat last round
- ▼ Low backer re-investment
Exit likelihood39
base rate 11% (2+ rounds)
- ▲ €100M+ raised
- ▲ 15 rounds raised
- ▼ Old (17y) — past typical exit age
- ▲ Recent equity round, but funding momentum is down (may be rescue financing)
Timing: too soon vs cohort gap · momentum down. Funding-only estimates, not predictions and not investment advice — see signals.
Funding rounds
15 rounds| Date | Stage | Amount | Investors | |
|---|---|---|---|---|
| 2026-10-14 | Other | — | Siemens | View deal → |
| 2026-05-07 | Other | €33M | Axon Partners Group,SmartCap,Taiwania Capital | View deal → |
| 2023-11-29 | Other | — | Siena Secondary Fund | View deal → |
| 2023-10-13 | Debt | €108M | Marubeni Corporation,other investors,Siemens Financial Services (SFS) | View deal → |
| 2023-07-12 | Other | — | Marubeni Corporation | View deal → |
| 2023-03-06 | Other | €51M | German Government,the state of Saxony | View deal → |
| 2022-01-28 | Series D+ | €38M | Bengt Wahlqvist,EIT InnoEnergy,Nidoco,Taavet Hinrikus | View deal → |
| 2021-07-01 | Series D+ | €29M | Harju Elekter,Marubeni Corporation,MM Grupp | View deal → |
| 2021-03-12 | Other | €51M | — | View deal → |
| 2020-11-03 | Series D+ | €41M | — | View deal → |
| 2016-08-01 | Series C | €13M | Firstfloor Capital,Harju Elekter | View deal → |
| 2016-01-01 | Other | €4.0M | KIC InnoEnergy | View deal → |
| 2015-06-01 | Series B | €9.8M | Harju Elekter,KIC InnoEnergy,UP Invest | View deal → |
| 2014-07-01 | Series A | €3.9M | Upi.ee | View deal → |
| 2013-04-01 | Early VC | €2.2M | — | View deal → |
Investors
21Related news
- Estonian Skeleton Technologies powers up with €51M investment from Germany and Saxonyinvestinestonia.com · 2023-03
- Supercapacitor maker Skeleton Technologies charges up with an additional €37.6 milliontech.eu · 2022-01
- investinestonia.com
- tech.eu
- tech.eu
- tech.eu
- tech.eu
- eu-startups.com
- vc-europe.com
- eu-startups.com
- ain.capital
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