Thin Line Capital is a venture capital firm. Based in Pasadena, California, United States. The known portfolio counts 8 companies, including XGS Energy, SenseNet, Optiwatt, Othersphere, Kevala and Operant Networks.
Is Thin Line Capital a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
- Focus
- Clean EnergyIoTSensorsSmart GridWaterTech
Who to pitch at Thin Line Capital
Thin Line Capital portfolio companies (8)
- XGS Energy
- SenseNet
- Optiwatt
- Othersphere
- Kevala
- Operant Networks
- Divirod
- Trace AQ
Co-investors
Funds that share portfolio companies with Thin Line Capital.
Similar funds
Showing 20 of 100
About Thin Line Capital
The firm's listing covers sectors Climate and Food, and focus areas Clean Energy, IoT, Sensors and Smart Grid; known deals cluster at Seed and Series A.
The contact to approach at Thin Line Capital is Aaron Fyke (Founder and Managing Partner).
Across the known portfolio, 18 co-investors appear alongside Thin Line Capital, including B Current Impact Investment, Active Impact Investments and Keiki Capital.
Frequently asked questions
What is Thin Line Capital?
Thin Line Capital is a venture capital firm based in Pasadena, California, United States, with a known portfolio of 8 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What does Thin Line Capital invest in?
Listed sectors include Climate and Food; listed focus areas include Clean Energy, IoT, Sensors and Smart Grid. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.
What stage does Thin Line Capital invest at?
The known deals of Thin Line Capital include Seed and Series A rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at Thin Line Capital?
One person at Thin Line Capital is on file, listed as a contact for the firm, with their own profile page.
How do I contact Thin Line Capital?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The one person attached to the firm has their own page, which shows whether an address is on file for them.
Skip the browsing. Let AI find your ideal investors in one minute.
Paste your startup website and AI picks your best-fit investors out of 135,000+ profiles.
Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal