Where is Rebel located?

Rebel is headquartered in San Francisco, US.

Rebel

Actively deploying

San Francisco

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Fund manager profile

Rebel is a venture fund manager based in San Francisco. SEC filings show 1 venture fund on record, most recently Rebel Fund III LP filed March 2026.

Source: SEC EDGAR Form D filings. Firm website data not yet available.

San Francisco, US

Tracked investments

What they invest in

from 1 of 1 portfolio companies

AI & Machine Learning ×1Developer Tools ×1Enterprise Software ×1

HQs:United States×1

Investments · 1 tracked

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SIDsid.aiin 𝕏✓ verified

SID trains agentic search models that improve search accuracy and performance on complex search tasks by providing better contextual understanding. The company develops AI models designed to connect intelligence to the world through advanced search capabilities.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSector AgnosticSan Francisco, US

Maximilian-David Rumpf(Founder)inLotte Seifert(Founder)in

Frequently asked questions

Where is Rebel located?: Rebel is headquartered in San Francisco, US.

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Fund filings

Rebel Fund III LPventure fund · Mar 2026
Rebel Fund II LPPE fund · Mar 2024

Source: SEC Form ADV Schedule D and EDGAR Form D filings. Offering amounts as filed.