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Thirdbase Capital
Thirdbase Capital is a New York-based private equity firm focused on early-stage startup and growth investments.
Thirdbase Capital
Thirdbase Capital is a New York-based private equity firm with a stated focus on early-stage investments, spanning both startup and growth-phase companies. The firm's investment strategy appears centered on backing companies at their earliest institutional entry points. Thirdbase targets early-stage opportunities, with publicly available classifications indicating coverage of both startup and growth stages. The firm's geographic focus and specific sector preferences are not publicly detailed in currently accessible sources. Team size, total assets under management, and total capital deployed are not publicly disclosed. No recent operational events, fund closes, or personnel announcements are verifiable through public record. The firm's most notable structural characteristic is its tight focus on the early-stage segment of private equity, a bandwidth that typically implies a concentrated portfolio and a hands-on operational posture, though specific evidence of that posture is not yet public.
General information
Firm type
Private Equity
Year founded
—
AUM
Undisclosed
Location
Region
North America
Country
United States
City
New York
Corporate office
New York, NY, United States
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.
Does Thirdbase Capital manage outside capital or a single family's assets?
Thirdbase Capital is classified as an asset manager rather than a single family office, but the source of its capital commitments is not publicly disclosed. The firm has not published fund structures or limited partner details.
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.
Where can I find Thirdbase Capital's track record or portfolio?
Thirdbase Capital has not published a portfolio list or track record on its website or through other public channels. Institutional allocators may need to engage the firm directly for detailed investment history.
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
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