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THIRDBASE CAPITAL GP, LLC

THIRDBASE CAPITAL GP, LLC is a Series A, Series B and Series C+ fund in the US writing $500K–$20M checks into AI, Enterprise and Fintech.

Stages
Series A, Series B, Series C+
Sectors
AI, Enterprise, Fintech
Check size
$500K–$20M
Invests in
US-wide
Actively investing
Yes
Founded
2019
Assets under management
$150M+

Thesis

Thirdbase Capital is a venture capital firm founded in 2019 and headquartered in New York City. It operates as a global private markets investment firm, specializing in high-conviction investments within transformative technology companies. Their investment thesis focuses on identifying and supporting businesses innovating through advanced technological solutions, providing capital to companies poised for significant market impact and scalable growth. While sector-agnostic, they have a particular interest in fintech, SaaS, and AI-driven businesses. Their strategy involves supporting companies with proven revenue models and growth momentum, typically entering at Series A or B stages with check sizes ranging from $500,000 to $20 million, with a sweet spot around $10 million. Thirdbase Capital often co-invests with major venture players but may lead rounds when strategically aligned. Their primary geographic focus is the U.S., but they are open to global opportunities. As of March 31, 2026, filings suggest AUM in the U.S. of $150 million or more.

Common questions

Does THIRDBASE CAPITAL GP, LLC invest at the Series A stage?

Yes. THIRDBASE CAPITAL GP, LLC lists Series A, Series B and Series C+ among the stages it invests in.

What check size does THIRDBASE CAPITAL GP, LLC write?

THIRDBASE CAPITAL GP, LLC writes $500K–$20M checks.

Where does THIRDBASE CAPITAL GP, LLC invest?

THIRDBASE CAPITAL GP, LLC invests in the US.

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