Polarium

Active#26 in Sweden

Battery storage

Energy›battery storage

Founded2015

HQStockholm

RaisedUndisclosed total

Last roundConvertible preference shares · Oct 2024

Country of originSwedenListed in the Sweden ranking

Where would you invest?SwedenJurisdiction as cited by the ranking

Uback rankings

How the AI ranks →

Ranking	Tier	Rank	Edition	Next update
Sweden · all sectors	Top 50	#26	Edition 0 – beta · October 2026	25 Oct 2026

Rank historyOct 2026 · #26First edition: no movements yet.

Estimated valuation

AI · Sweden ranking

≈ USD 250MUSD 130–510M · Hundreds of M$ Low confidence

Hundreds of k$

Millions $

Tens of M$

Hundreds of M$

Unicorn

Decacorn

Hectocorn

Anchor: Last known equity round: Convertible preference shares · USD 49M · Oct 2024
AI adjustment: None

An indicative editorial estimate produced by AI, imperfect by nature: neither a financial valuation nor investment advice. Only the market sets a company’s value. Method

Funding history

Undisclosed total raised in total

Date	Round	Amount	Type	Investors
Oct 2024	Convertible preference shares	USD 49M (SEK 500M)	Debt	Vargas, AMF, Alecta

Rounds as cited by Uback’s rankings. Equity, debt and grants are shown separately; only equity rounds count towards the valuation anchor.

Independent analyses

By industry professionals & analysts

Industry professionals and financial analysts can publish their own analysis of Polarium as a PDF, on one of three angles only:

ValuationWhat is Polarium worth?

Versus competitorsIs #26 the right rank?

Who should acquire itStrategic buyers, and why

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What the AI reads

Read by the AI at the next edition.

Comparable companies in Sweden

Full Sweden ranking →

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Investors in Polarium: Vargas · AMF · Alecta

Last updated: Oct 2026Report an error

Uback is a content publisher. It provides no investment advice, receives no mandate and takes part in no transaction. Rankings, ranges and brackets are editorial estimates produced by AI, purely indicative.