Seed VC · USA

Longwood Fund

Active

What they invest in

Longwood Fund creates and invests in science-based companies that develop novel solutions for important medical problems, partnering with world-class scientific co-founders to identify groundbreaking discoveries that significantly improve patients' lives.

Who they back

DeepTechHealthtechBiotechSeries ASeries B+

Business models

biotech_therapeutics, deeptech_ip

Customer segments

Patients, Healthcare Systems, Pharma

Geography

US

Recent investments

  • Coultreon Biopharma
  • Be Bio
  • Immunitas Therapeutics

+ 3 more deals. Score your deck to see the full investment history.

The people who write checks

11 partners on file at Longwood Fund, with the firm's email pattern for cold outreach. Score your deck (free, 30 seconds) to unlock direct contact for this firm and 47,000+ others.

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Why this firm matters for fundraising founders

Longwood Fund writes first institutional checks where the founder + early product matter more than traction. The seed market is the most dispersed segment of venture; matching to thesis (sector, stage, geography) is where most cold outreach succeeds or fails. VC Boom tracks Longwood Fund alongside 47,000+ other active investors, ranked weekly by recent-deal momentum, sector concentration, and partner activity.

At a glance

Based in
United States
Last known deal
May 2023
Portfolio last checked
Oct 6, 2026
Website
www.longwoodfund.com ↗

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