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J2 Ventures

Venture Capital Firm · Boston, United States · Founded 2020

#98

J2 Ventures

Boston, United States

41.0/100

1Deals tracked

1Last 90 days

$35MDisclosed value

2026-07-07Latest deal

Deal flow 40%35

Capital 20%50

Momentum 20%51

Stage breadth 10%25

Portfolio quality 10%42

What they've been doing

2026-07-07 Arkenstone Seed · $35M

Where they play

Seed (1)

Risk & Compliance (1)

Median disclosed deal size in tracked deals: $35M

Their stated approach

Focus: Dual-use technologies: advanced computing, biomedical engineering, cybersecurity and infrastructure
Stage: Seed and Series A
Check size: $1M to $10M
Size: About $400M AUM; Fund III $250M (November 2025)

Founded by Alex Harstrick and Jonathan Bronson.

Sources: Superscout - J2 Ventures · F4 Fund - J2 Ventures

Ranked #98 of 100 venture capitalists on tracked activity (2026-01-06 to 2026-10-01). See the full ranking and how scores work →