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Skeleton Technologies

Skeleton Technologies

Private
TallinnEnergy & Sustainabilityhttps://www.skeletontech.com/

Last Round

Series F

May 7, 2026

Est. Valuation

$950M

Total Funding Raised

$376.35M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

Skeleton Technologies is an energy storage company that develops and manufactures graphene-based supercapacitors and high-power battery solutions for the transportation, grid, automotive, and industrial sectors.

Sector

Energy & Sustainability

Verticals

Energy Storage, Clean Transportation, AI Training Infrastructure, Advanced Materials, Smart Grid

Business Model

B2B

Customer Profile

Hardware Sales, Government Contracts, Services & Consulting

AI Layer

Infrastructure

Keywords

supercapacitorsultracapacitorsenergy storage systemsCurved GrapheneSuperBatteryfast charginghigh power densityadvanced materialshybrid batteryenergy efficiencygrid stabilizationAI data center powerautomotive energy storagerail energy storagecleantechdeep tech

Historical Pricing

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Caplight Momentum Score

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Skeleton Technologies Comps

Public and private peers based on sector, stage, and business model.

Skeleton Technologies comps — public and private peers by sector, stage, and business model
CompanyStatusEst. ValuationRev Multiple
OpenAIPrivate$86.0B~40x
CoherePrivate$5.0B--
Competitor 1Public$XX.XBXXx
Competitor 2Public$XX.XBXXx

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Skeleton Technologies Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series FMay 7, 2026
GrantAug 28, 2025
GrantJun 6, 2024
Series EOct 13, 2023
Series D ExtensionJan 28, 2022
Series D Extension
Jul 1, 2021

Key People

Founding team and executive leadership

Taavi Madiberk

CEO And Member Of The Board

Executive Team

Linus Froböse

Chief Technology Officer (CTO) And Managing Director

Executive Team

Margus Vals

Chief Financial Officer

Executive Team

Skeleton Technologies Investors

Notable investors and investment history

Skeleton Technologies investors
InvestorRounds
Taiwania CapitalSeries F
State of SaxonyGrant
MM GruppSeries D Extension, Series D
Siemens Financial ServicesSeries E
European CommissionGrant
EIT InnoEnergySeries B, Series D Extension, Series D
Axon Partners GroupSeries F

Market signals

Structured signals derived from secondary market and firmographic data.

  • Mar 1, 2026

    Building world's largest supercapacitor factory in Germany, opening soon.

  • Mar 1, 2026

    Named a Global Cleantech 100 company.

Skeleton Technologies Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Skeleton Technologies Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Skeleton Technologies's valuation, stock price, and market status.

Firmographic Details

HeadquartersTallinn
Employee Range243
Year Founded2009
Last FundingMay 7, 2026

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