Factory | Activity | F4

Team Portfolio Raise Essays

F4/Factory/Activity

Factory Activity

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

Types

Time range

Milestone

Portfolio company Gimlet Labs announced its Series B to build the first multi-silicon inference cloud.

Gimlet Labs

Gimlet Labs Factory

Added recently

Milestone

Portfolio company Opaque raised a $24M Series B at a $300M valuation to advance confidential AI for the enterprise.

Opaque

Added recently

Exit

Portfolio company Virtue AI (AI safety/red-teaming) was acqui-hired by Meta, with founders joining Meta Superintelligence Labs.

Virtue AI

Virtue AI Factory

axios.comJUN 25, 2026

JUN 25, 2026