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Thin Line Capital

Thin Line Capital

Pasadena, Californiathinlinecapital.com

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

11

Investments

Thin Line Capital investments
CompanyDateStageLead
SenseNet Inc.Oct 2025Series ACo-investor
Sense/NetOct 2025Series ACo-investor
SenseNet Inc.Oct 2025Series ACo-investor
Trace Air QualityMay 2025SeedCo-investor
SunairioDec 2024Series ACo-investor

Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

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SeedSeries ASeries BGrowth

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Investment Activity

Yearly cadence, pace, and funding raised over time.

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2021
2022
2023
2024
2025
2026

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FAQ

Firmographic Details

HeadquartersPasadena, California
Year FoundedN/A

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