4BIO Capital

Activity from announced rounds

Activity in this selectionOct 17, 2026 · Jul 20, 2026
Rounds participated in
4
Confirmed lead rounds
3
All roles disclosed
New companies
4
First participation on record · 0 follow-on
Funding in participating rounds
$189.4M
4 disclosed · full round size, not this investor’s share

By stage

Seed3
Series A1

By primary sector

Biotech4

By country

United States2
Italy1
United Kingdom1

Rounds

4 in this selection
Estuary Biotherapeutics

Estuary Biotherapeutics develops locally delivered gene therapies for patients with inherited polycystic kidney disease.

$93MSeries A
Participant
Undecimal Bio

Undecimal Bio develops delivery molecules that help RNA medicines reach specific tissues, with initial research programmes in kidney and vascular disease.

$18MSeed
Lead
Cloverleaf Bio

Cloverleaf Bio is developing engineered transfer RNA therapies that use a modified tRNA payload to inhibit cancer cells' RNA-modifying enzymes. Its lead program targets liver cancer and is advancing toward clinical testing; a second antibody-tRNA program for colorectal cancer remains preclinical.

$33MSeed
Lead