S3 Ventures

Activity from announced rounds

Activity in this selectionUnited States · Oct 26, 2026 · Jul 29, 2026
Rounds participated in
3
Confirmed lead rounds
—
3 roles undisclosed
New companies
3
First participation on record · 0 follow-on
Funding in participating rounds
$113.5M
3 disclosed · full round size, not this investor’s share

By stage

Series A1
Series B1
Series C+1

By primary sector

Healthtech2
Cybersecurity1

By country

United States3

Rounds

3 in this selection
MaxQ Medical

Develops a combined imaging and therapy system for prostate care

$31.5MSeries A
Role not disclosed
Versa Vascular

Develops a transcatheter device for minimally invasive tricuspid valve repair

$42MSeries C
Role not disclosed
DataBahn

Agentic Data Control Plane for the enterprise

$40MSeries B
Role not disclosed