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Polarium

Polarium

Private
StockholmEnergy & Sustainabilityhttps://polarium.com

Last Round

Corporate Funding

Oct 1, 2024

Est. Valuation

$1B

Total Funding Raised

$150.83M

Company Overview

Polarium operates in Energy & Sustainability and is based in Stockholm. Its latest recorded funding round was a Corporate Funding round in October 2024.

Polarium is an energy storage company that provides smart energy storage and optimization solutions built on lithium-ion technology for the telecom, commercial, industrial, and residential sectors.

Sector

Energy & Sustainability

Verticals

Energy Storage, Energy Management, 5G Infrastructure, Renewable Energy

Business Model

B2B

Customer Profile

Hardware Sales, Hardware + Subscription, Services & Consulting

AI Layer

Application

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Pricing history

Caplight clients see full MarketPrice™ history and secondary transactions.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

Momentum history

Caplight clients track how buyer interest and sentiment change over time.

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Polarium Comparables

Compare Polarium with similar companies based on industry and business-model similarity.

Polarium comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Caban Systems, Inc.
86%
Pixii
80%
Tesvolt AG
79%
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Polarium Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Corporate FundingOct 1, 2024
Private PlacementAug 28, 2023
SecondaryOct 17, 2022
VC RoundJun 28, 2022
Private EquityMay 3, 2022
VC Round
Oct 4, 2018
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Key People

Founding team and executive leadership

Andreas Lonaeus

Group CFO

Executive Team

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Polarium Investors

Notable investors and investment history

Polarium investors
InvestorRounds
Vargas HoldingPrivate Equity, Corporate Funding, Private Placement, Series A
Alecta Tjänstepension ÖmsesidigtCorporate Funding, Private Placement
AMF TjänstepensionCorporate Funding, Private Placement, Private Equity
Absolute Unlisted ABSecondary
Beijer VenturesPrivate Equity
Kallskär ABCorporate Funding, Private Placement

Market signals

Structured signals derived from secondary market and firmographic data.

  • Apr 22, 2026

    Developing distributed Battery Energy Storage Systems across Germany.

  • Apr 20, 2026

    Battery storage integrated into Recharge Sweden's charging network via FLEXECHARGE.

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Recent news

Latest coverage and updates

  • partners_withSep 28, 2026

    On Sep 28th '26, Polarium and Inexogy partner in Germany to connect more than 1,600 battery storage systems to a Virtual Power Plant, with the ambition to scale to up to 10,000 systems nationwide.

  • launchesSep 28, 2026

    On Sep 28th '26, Polarium partners with inexogy to roll out smart metering systems across its decentralized battery storage fleet in Germany, with a first phase connecting more than 1,600 systems to a Virtual Power Plant.

  • has_earningsAug 11, 2026

    Polarium reports $12M in earnings for 2025, with gross profit improving to SEK 114 million from SEK -46 million and its EBITDA loss narrowing to SEK 61 million from SEK 270 million.

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Polarium Filings

Explore SEC and related filing metadata, where available.

Polarium filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

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

Is Polarium a public or private company?

Polarium is a private company.

What is the current stock price of Polarium?

Polarium is a private company, so its shares have no public market price. Caplight tracks Polarium's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.

How much is Polarium worth (valuation)?

Polarium's valuation is estimated at $1.0B based on funding round data.

Can I buy Polarium stock?

Polarium shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.

When was Polarium's last funding round?

Polarium's most recent funding round was Corporate Funding on October 1, 2024.

Who are the main investors in Polarium?

Key investors in Polarium include Vargas Holding, AMF Tjänstepension.

Will Polarium IPO soon?

No public IPO plans have been announced for Polarium.

How can I track Polarium secondary market activity?

Caplight tracks bids, offers, and trades in Polarium's shares on secondary markets.

Firmographic Details

HeadquartersStockholm
Employee Range273
Year Founded2015
Last FundingOct 1, 2024

Institutional Data Access

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