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Private Equity

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Thirdbase Capital

Thirdbase Capital is a global private markets investment firm focused on high-conviction investments in transformative technology companies. Site content is...

Thirdbase Capital logo

Thirdbase Capital

Thirdbase Capital is a global private markets investment firm focused on high-conviction investments in transformative technology companies. Site content is the property of 535 West I, LLC (formerly Thirdbase Capital). The firm references portfolio companies including Anthropic, Databricks, OpenAI, and SpaceX.

General information

Firm type

Private Equity

Year founded

2019

Location

Region

North America

Country

United States

City

New York

Corporate office

New York, NY, United States

Sector focus

transformative technology companies

Frequently asked questions

What investment stage does Thirdbase Capital target?

Thirdbase Capital focuses on early-stage private equity, spanning both startup and growth-phase companies according to public classifications. The firm has not publicly detailed specific check sizes or revenue thresholds as of mid-2026.

Who founded Thirdbase Capital?

The firm has not publicly disclosed its founding principals or leadership team. No named individuals are confirmed through public record or the firm's official website as of the current research period.

What is Thirdbase Capital's geographic investment focus?

The firm is based in New York, but its geographic investment mandate is not publicly specified. No specific regional or cross-border investment criteria have been confirmed through public statements.

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