TheoryForge | Activity | F4

Team Portfolio Raise Essays

F4/TheoryForge/Activity

TheoryForge Activity

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

Types

Time range

Exit

Portfolio company Alex (Xcode AI coding assistant) was acqui-hired by OpenAI, with its team joining the Codex division.

Alex

Alex TheoryForge

techcrunch.comSEP 5, 2025

SEP 5, 2025

3 investments· FEB 2025 – SEP 2025Show all

Investment

Participated in Inversion's $27M seed round for AI workflow optimization.

Inversion

InversionTheoryForge

startupintros.comSEP 2025

SEP 2025

Investment

Participated in Browser Use's $17M seed round for autonomous browser automation AI.

Browser Use

Browser Use TheoryForge

startupintros.comMAR 2025

MAR 2025

Investment

Participated in Hyperspell's $1M seed round for AI-powered spell checking.

Hyperspell

Hyperspell TheoryForge

startupintros.comFEB 2025

FEB 2025