● Investor
J2 Ventures
J2 Ventures is a Boston-based venture capital firm focused on investing in early-stage companies that develop technologies critical to U.S. national security and commercial markets. The firm specializes in advanced computing, cybersecurity, communications, and healthcare, and has successfully raised over $1 billion in follow-on capital for its portfolio companies. Notably, J2 Ventures recently closed its $250 million Brookhaven Fund, aimed at supporting dual-use technologies.
Portfolio
3
companies tracked
Rounds · 12mo
2
participated in
Est. deployed · 12moEstimated by summing amounts of tracked rounds. Actual check sizes vary and often aren't disclosed.
$20M
sum of tracked rounds
Top stage
Seed
by round count
Recent activity
Rounds LatestRounds has tracked from this investor.
Where they invest
By stage · rounds, 12mo
Frequent co-investors
No repeat co-investors yet.