Relentless | Activity | F4

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Team Portfolio Raise Champions Essays

F4/Relentless/Activity

Relentless Activity

Every public signal F4 has attached to this firm, with sources and cross-entity links.

Types

Time range

New Fund

Damir Becirovic closed Relentless Fund I, a roughly $80M debut seed fund, after leaving Index Ventures.

Relentless Fund I

venturecapitaljournal.comMAY 2026

fundmomentum.vc

MAY 2026

Investment

Led Advocacy's $3.5M seed round for its AI-native litigation workspace, with Relativity Labs and Fenwick & West participating.

Advocacy

AdvocacyRelentless

justainews.comMAR 6, 2026

MAR 6, 2026

Investment

Led DiligenceSquared's $5M seed round for its AI-powered commercial due diligence platform, with Y Combinator participating.

DiligenceSquared

DiligenceSquaredRelentless

techcrunch.comMAR 5, 2026

MAR 5, 2026