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Investor · SE

Altor

Nordic private equity firm investing in mid-market and growth companies.

Rounds led: 0
Rounds joined: 4
Companies backed: 2
Last activity: 24 Jun 2026

Type: Venture Capital
Fund size: —
Sectors: technology, industrial
Stage focus: buyout, growth

Portfolio

Capital in rounds led · —

Participant · Funding · 24 Jun · EUR 1.4B · SE
Stegra
Stegra closed a €1.4 billion financing round led by a Wallenberg Investments consortium, with broad support from existing shareholders and lenders, to complete its Boden plant.
Participant · Funding · 11 Aug · EUR 150.0M · SE
Aira
Aira raised EUR 150.0M in Series C.
Participant · Funding · 16 Oct · EUR 63.0M · SE
Aira
Aira added EUR 63M to its Series B from existing investors Temasek, Statkraft Ventures, Kinnevik and Altor.
Participant · Funding · 18 Oct · EUR 86.5M · SE
Aira
Aira raised SEK 1B in equity funding from climate- and innovation-focused investors including Altor, Collaborative Fund, Creades, Kinnevik, and Lingotto.