Protagonist | Activity | F4

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F4/Protagonist/Activity

Protagonist Activity

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

Types

Time range

Investment

Invested in Fab2 (General Purpose Semiconductors) - latest investment per PitchBook on 08-Sep-2026

Fab2

Fab2 Protagonist

Added recently

3 exits· AUG 2025 – FEB 2026Show all

Exit

Portfolio company xAI was acquired or merged.

x.ai

x.ai Protagonist

pitchbook.comFEB 2026

FEB 2026

Exit

Portfolio company Persona (social/platform software) exited.

Persona

Persona Protagonist

pitchbook.comNOV 2025

NOV 2025

Exit

Portfolio company Web3 Platforms exited.

Web3 Platforms

Web3 PlatformsProtagonist

pitchbook.comAUG 2025

AUG 2025