Investor profile
Longrun Capital
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Longrun Capital, founded in 2021 by Johan Frenckner and the Ljungberg family, invests in early-stage Nordic climate tech companies focused on the built environment. The firm targets enabling technologies in advanced materials and energy solutions along the entire construction and real estate value chain, seeking companies with high climate impact and superior financial returns. Longrun backs founders with game-changing technical solutions, with a typical ticket size of SEK 5–20 million and target ownership of 10–20%, from Seed to Series A. The firm prioritises companies with diverse teams and a clear path to global scale, with a stated 100% focus on climate impact.
Notable quotes
“Many investors are moving towards more sustainable investments, but I still feel that we stand out in the climate analysis as we primarily seek maximum climate benefit per invested krona. We make the assessment that these companies generally have lower market risk and higher potential, which also means better financial returns.”
“Glass partitions are one of the building elements with the highest climate emissions and the glass industry is challenging to decarbonize. The embedded carbon dioxide in the construction phase can be significantly reduced by the fact that the Hybridized solution both radically reduces material consumption, and at the same time enables reuse and recycling of the glass used.”
“We look forward to investing together with other industry-savvy investors who share our focus on maximum climate benefits. What makes Ekolution an extra interesting investment for us is that the company's first full-scale factory is now fully funded and Ekolution already has certified products installed at leading industry players.”
Recent investments
| Company | Round | Size | Date |
|---|---|---|---|
| NSS Water | Seed | $800k | 2026-02-19 |
| Hybridized | Seed | $2m | 2025-05-04 |
| Ekolution | Series A | $6m | 2024-10-03 |
| 3eflow | Seed | — | 2024-02-13 |
| GreenIron | Series A | $11m | 2023-01-01 |
| Drupps | Seed | — | 2022-03-08 |
| NODA Intelligent Systems | Seed | — | 2022-01-01 |
| Watt Data | Seed | — | 2022-09-30 |
| Monite | Seed | — | 2023-03-20 |
| ImagineCare | Seed | — | — |
Frequent co-investors
| VC firm | Deals together |
|---|---|
| FAM (Wallenberg) | 2 |
| Almi Invest GreenTech | 2 |
| NorDan | 1 |
| Northern CapSek Ventures | 1 |
| Hagman Green Business | 1 |
| Southbay Evergreen | 1 |
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