Seed VC · USA

Marsbio

Active

What they invest in

Backing the boldest bioscience entrepreneurs at the earliest stages to achieve paradigm shifting biology. The firm aims to support scientists and engineers building impactful businesses in synthetic biology, therapeutics, material science, agriculture, and consumer goods.

Who they back

DeepTechHealthtechBiotechPre-seedSeed

Business models

biotech_therapeutics, deeptech_ip, platform

Customer segments

Researchers, Enterprise, Developers

Geography

US

Recent investments

  • New threads and fabrics from used polyester blends
  • Novel, first-in-class exosome immunotherapies
  • Implantable pockets for allogeneic cell therapies

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

The people who write checks

2 partners on file at Marsbio, 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.

We never publish partner emails directly. Score your deck to unlock contacts for the firms ranked as best-fit.

Why this firm matters for fundraising founders

Marsbio 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 Marsbio alongside 47,000+ other active investors, ranked weekly by recent-deal momentum, sector concentration, and partner activity.

At a glance

Based in
United States
Portfolio last checked
Oct 6, 2026
Website
www.marsbio.vc ↗

Other firms investing in DeepTech

See all investors

Is Marsbio the right fit for your deck?

Drop your pitch. VC Boom scores it on the 8 dimensions VCs read for and ranks the 47,000+ active investors in the database by fit. Marsbio is one of them, and we'll tell you exactly where they sit in your top 100.