Thin Line Capital
Overview
Thin Line Capital is a seed-stage venture capital firm that invests in low-capex technology companies in the clean energy, agriculture, and water industries to mitigate or adapt to the effects of climate change. The firm focuses on seed and Series A rounds and takes an active role with its portfolio companies. Their investment thesis is centered on decarbonizing the global economy and they primarily invest in companies where they have deep domain experience.
Portfolio Companies
12
Website
thinlinecapital.comInvestments
| Company | Date | Stage | Lead |
|---|---|---|---|
| Trace Air Quality | May 2025 | Seed | Co-investor |
| Divirod | Aug 2023 | Bridge | Lead |
| Optiwatt | Nov 2023 | Series A | Co-investor |
| Kevala | Aug 2021 | Series A | Lead |
| XGS Energy | May 2024 | Series A Extension | Co-investor |
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Sector & Stage Mix
Industry, funding stage, and valuation band breakdowns.
FAQ
Where is Thin Line Capital based?
Thin Line Capital is headquartered in Pasadena, California, United States.
When was Thin Line Capital founded?
Founding year information for Thin Line Capital is not publicly available.
How many portfolio companies does Thin Line Capital have?
Thin Line Capital has 12 portfolio companies in Caplight's dataset.
What are some companies in Thin Line Capital's portfolio?
Portfolio companies visible on Caplight include Trace Air Quality, Divirod, Optiwatt, Kevala, XGS Energy.
What was Thin Line Capital's most recent investment shown here?
Thin Line Capital's most recent investment in this portfolio sample was in Trace Air Quality in 2025.
What sectors does Thin Line Capital focus on?
Thin Line Capital focuses on Consumer & Commerce, Energy & Sustainability, Frontier & Industrial Tech, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Cybersecurity, Energy & Sustainability, AI, Data & Cloud Infrastructure, Energy & Sustainability, Frontier & Industrial Tech, Frontier & Industrial Tech, AI, Data & Cloud Infrastructure, Energy & Sustainability, Enterprise Software, Enterprise Software, Enterprise Software, Telecommunications & Networking, Enterprise Software, Mobility, Transportation & Logistics, Enterprise Software, Enterprise Software.
What company stages does Thin Line Capital focus on?
Thin Line Capital typically invests at the Early stage.
What is Thin Line Capital's AUM?
Thin Line Capital's assets under management are estimated between $19.0M and $25.0M.