S3 Ventures

Activity from announced rounds

Activity in this selectionnomura-real-estate-development-co-f095adde
Rounds participated in
11
Confirmed lead rounds
—
11 roles undisclosed
New companies
11
First participation on record · 0 follow-on
Funding in participating rounds
$287M
10 disclosed · full round size, not this investor’s share

By stage

Series A5
Series B2
Series C+2
Undisclosed2

By primary sector

Healthtech5
Fintech3
Cybersecurity2
Proptech1

By country

United States11

Rounds

11 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
Buildforce

Tech-enabled electrician staffing business connecting electricians with contractors

$10MSeries A
Role not disclosed
Earlytrade

Operates a subcontractor payments marketplace for construction working capital management

$25MSeries A
Role not disclosed
Arpio

Automates disaster recovery and resilience testing for enterprises running complex cloud environments on AWS and Azure

$15MSeries A
Role not disclosed
Advanced NanoTherapies

Advanced NanoTherapies develops nanoparticle-coated balloons that deliver two drugs locally during vascular procedures, starting with its investigational SirPlux Duo device.

>$31MSeries B
Role not disclosed
Schematic

Provides runtime monetization infrastructure for SaaS and AI companies

$6.5MUndisclosed
Role not disclosed
Avtal

Provides digital engagement platform for debt collection agencies

$24MSeed+Series A
Role not disclosed
BrainCheck

Provides digital cognitive assessment and care for healthcare organizations

$13MSeries A
Role not disclosed