J2 Ventures | Activity | F4

Introducing F4 Champions, a new accelerator for founders at the earliest stage.F4 Champions for early-stage foundersEnrollment closesAugust 2Learn more

Team Portfolio Raise Champions Essays

F4/J2 Ventures/Activity

J2 Ventures Activity

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

Types

Time range

Essay

Published essay on America's loss of global connectivity leadership and why the future depends on reclaiming it.

How America Lost its Global Connectivity Lead

J2 Ventures

j2vp.com

Added recently

Milestone

Micron Biomedical extended its Series A to $33M+ to accelerate commercialization of needle-free therapeutics and vaccines.

Micron Biomedical

Micron Biomedical J2 Ventures

morningstar.com

Added recently

Investment

Flashpass Education raised $4.25M Seed funding for its gov-tech skills upskilling platform.

Flashpass Education

Flashpass Education J2 Ventures

theaiinsider.techAPR 2026

APR 2026

Press

Alex Harstrick appeared on CNBC discussing how AI will define future warfare and J2's dual-use investment thesis.

Alex Harstrick on CNBC discussing AI-driven warfare

J2 Ventures

cnbc.comMAR 2, 2026

MAR 2, 2026

Milestone

Google spinout Aalyria valued at $1.3 billion in a $100M funding round for space-based communications.

Aalyria

Aalyria J2 Ventures

cnbc.comFEB 23, 2026

FEB 23, 2026

Milestone

Code Metal raised $125M Series B to rewrite defense industry code with AI.

Code Metal

Code Metal J2 Ventures

wired.comFEB 2026

FEB 2026

New Fund

Closed $250M oversubscribed Brookhaven Fund with LPs including JP Morgan, MetLife, and the State Investment Council of New Mexico.

Brookhaven Fund ($250M Fund III)

J2 Ventures

finance.yahoo.comNOV 11, 2025

NOV 11, 2025

Press

Alex Harstrick appeared on CNBC recommending government use of Signal for secure communications.

Alex Harstrick on CNBC recommending government use Signal

J2 Ventures

cnbc.comMAR 27, 2025

MAR 27, 2025

Investment

Musubi raised $5M Seed for AI-powered content moderation in trust and safety.

Musubi

Musubi J2 Ventures

cnbc.comFEB 21, 2025

FEB 21, 2025

Investment

Druid Software raised $20M to drive private 4G/5G sales in defense, shipping, and utilities.

Druid Software

Druid Software J2 Ventures

rcrwireless.comJAN 2025

JAN 2025

New Fund

Secured $150M Fund II for dual-use technology startups with civilian and government applications.

Fund II ($150M)

J2 Ventures

prnewswire.comJUL 2024

JUL 2024