- Founded
- 2014
- Address
- Vastra Tradgardsgatan 15, 111 53 Stockholm
- Management
- Carl-Erik Lagercrantz, CEO; Harald Mix, Chairman
- Capital
- Initial Vargas investments have been financed principally through Kallskar, Harald Mix's investment vehicle. The founders use an evergreen ownership approach; later scale-up capital is raised separately at portfolio-company level through equity and debt rounds.
Main person we are meeting
Carl-Erik LagercrantzCEO of Vargas. Current Vargas portfolio board roles include Aira, Syre and Stegra. Earlier roles include IT and telecom leadership at Utfors, Telenor and BT Nordics; previous Vargas portfolio roles include Northvolt co-founder / vice-chair and Polarium chair.
History
- Founded in 2014 in Stockholm to create new industrial companies, finance the first phase and stay involved as long-term owner.
Commercial focus
- Identifies an industrial problem, validates the market and technology, forms a new company, brings in management and customers, and raises company-level financing.
- Focus areas include energy storage, steel, hydrogen, home energy-tech, textiles and low-carbon aluminium.
Portfolio detail
Polarium
- What
- Lithium-ion energy storage and energy optimisation systems for telecom, commercial, industrial and residential uses.
- Started
- Founded in 2015.
- Status
- Stockholm HQ; production facilities in South Africa and Vietnam; 440,000+ installed solutions in 70+ countries. Polarium timeline also includes a first factory in Guadalajara, Mexico; local offices in Sydney and Melbourne; a BESS installation in Japan; and a project in Portugal.
- Funding / backers
- Public rounds include SEK 955m (approx. EUR 87.1m) from AMF in 2022 and SEK 500m (approx. EUR 45.6m) convertible preference shares in Oct 2024; 2024 participants included Vargas, AMF, Alecta, Stefan Jansson Global Invest and RoosGruppen.
Stegra
- What
- Green hydrogen, green iron and green steel, with a large-scale plant under construction in Boden, Sweden.
- Started
- Founded in 2020 as H2 Green Steel; changed name to Stegra in 2024.
- Status
- Headquartered in Stockholm. First plant under construction in Boden, northern Sweden. Annual green-steel output target of 5m tonnes by 2030. Oct 2025 project update: more than 60% progressed; Apr 2026 update: project timeline under review.
- Funding / backers
- By Jan 2024, EUR 6.5bn had been secured: EUR 2.1bn equity, EUR 4.2bn debt and a EUR 250m EU Innovation Fund grant. Apr 2026: EUR 1.4bn new financing agreed in principle, led by Wallenberg Investments with Temasek and IMAS. May 2026: creditor agreement reported for access to about EUR 1.5bn of unused credit lines, subject to regulatory approvals. Other named backers include Altor, Hy24 and Just Climate.
Aira
- What
- Clean home energy-tech centred on intelligent heat pumps and home energy systems.
- Started
- Founded in 2022; commercial launch in June 2023.
- Status
- Headquartered in Stockholm, with R&D in Helsingborg and production in Wroclaw, Poland. Operates in Italy, Germany and the UK. Aug 2025 annual sales run-rate: EUR 200m, with 1,200 employees, 18 hubs and four Aira Academies.
- Funding / backers
- Disclosed equity rounds total EUR 393m: EUR 35m Series A, EUR 145m Series B, EUR 63m 2024 extension and EUR 150m Aug 2025 round. Additional disclosed financing includes EUR 200m debt commitments and a EUR 15m Polish government grant; investors include Altor, Kallskar, Kinnevik, Lingotto and Temasek.
Syre
- What
- Textile-to-textile recycling, starting with polyester.
- Started
- Founded in 2023; initiated by Vargas and H&M Group.
- Status
- Headquartered in Stockholm. Blueprint production plant built in North Carolina in 2024. May 2024 financing announcement shortlisted Vietnam and Iberia for first gigascale plants; Apr 2025 MoU signed with Binh Dinh Province, Vietnam.
- Funding / backers
- USD 100m Series A in May 2024. Lead investor: TPG Rise Climate. Other named investors: H&M Group, Giant Ventures, IMAS Foundation, Norrsken VC and Volvo Cars. Earlier founder capital not publicly quantified.
Arctial
- What
- Feasibility study for low-carbon aluminium production in Kokkola and Kronoby, Finland.
- Started
- Industrial partnership announced in Dec 2024; feasibility study started at the beginning of 2025.
- Status
- Project locations are Kokkola and Kronoby, Finland. Contact address: Kokkola. The study covers social, technical, environmental and commercial dimensions.
- Funding / backers
- Funding amount not disclosed. ABB, Fortum, Mitsubishi Corporation, Rio Tinto, Siemens Financial Services, Tesi and Vargas are financing the project company and feasibility study.
Northvolt
- What
- Lithium-ion battery cells and battery systems.
- Started
- Founded in Oct 2016 by Peter Carlsson and Paolo Cerruti, together with Vargas.
- Status
- Filed for bankruptcy in Sweden on 12 Mar 2025. Lyten completed acquisition of remaining assets and IP in Sweden and Germany in Feb 2026.
- Key moments
- Battery cell assembled at Northvolt Ett in Skelleftea in Dec 2021; commercial shipments to automotive customers in May 2022. Timeline locations include Skelleftea, Gothenburg, Borlange, Gdansk, Germany, Setubal and Quebec.
- Funding / backers
- By Jan 2024, more than USD 15bn in equity and debt financing had been raised, including the largest green loan in European history. Investor and partner set included Volkswagen and Goldman Sachs.