LongRun Capital
Family officeStockholm · Seed–Series A · 3 people tracked
Investment thesis
LongRun Capital backs early-stage companies developing groundbreaking technical solutions to address the climate crisis within the built environment, concentrating on advanced materials and energy. It seeks ventures with high climate impact combined with strong financial return potential, a focus on Nordic companies with global reach, and diverse teams or clear ambitions toward greater diversity. The firm invests from seed to Series A with typical tickets of SEK 5-20 million, targeting ownership stakes of 10-20%.
Source: firm website, verified Aug 3, 2026.
Team · 3 people
from the firm's website
What they invest in
from 6 of 6 portfolio companiesCleantech ×5Hardware ×3New Materials ×2AI & Machine Learning ×1Circular Economy ×1Climate Tech ×1Construction Tech ×1Deep Tech ×1
HQs:Sweden×3
Investments · 6 tracked
founders shown can be your intro path3E offers a smart-home water system that reduces hot water energy consumption and delivers hot water quickly through empty pipes while returning saved water to the source.
CleantechHardwareIoT
Ekolution manufactures hemp fiber insulation and other hemp-based materials for construction projects, offering CO2-negative, energy-efficient building products.
CleantechConstruction TechNew Materials
Co-investorsNeptunia InvestSouth Bay Ventures
NODA offers the NODA Intelligent Platform and its AI-powered CoPilot module, an analytics and decision-support tool that turns operational data into explainable insights for maintenance, performance optimization, and strategic decisions.
AI & Machine LearningEnergyPropTech
Frequently asked questions
- How many investments has LongRun Capital made?
- LongRun Capital has 6 tracked investments.
- What stage does LongRun Capital invest at?
- LongRun Capital invests at the Seed, Series A stages.
- What is LongRun Capital's typical check size?
- LongRun Capital typically writes checks of $500K – $2M.
- What sectors does LongRun Capital focus on?
- LongRun Capital focuses on Cleantech, Climate Tech, Construction Tech, Energy, Impact & Social Good, New Materials, PropTech.
- Where is LongRun Capital located?
- LongRun Capital is headquartered in Stockholm, SE.
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