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S3 Ventures | RoundOS

01 · Free data roomBuild, share and track important documents.

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Sales deals Board documents Due diligence Real estate

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Blog Funding Customer stories Investor room template

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SV

S3 Ventures

Activity from announced rounds

Activity in this selection View all activity

Activity in this selectionUnited States · Apr 30, 2026 · Apr 1, 2026

Rounds participated in: 2
Confirmed lead rounds: —
New companies: 2
Funding in participating rounds: $86.5M

By stage

Series C+1

Undisclosed1

By primary sector

Fintech1

Healthtech1

By country

United States2

Rounds

2 in this selection

Apr 22

Provides runtime monetization infrastructure for SaaS and AI companies

$6.5MUndisclosed

Role not disclosed

Apr 7

Endovascular Engineering

Develops thrombectomy systems for venous thromboembolism treatment

$80MSeries C

Role not disclosed

1–2 of 2

Most frequent co-investors

415 Capital1 shared Active Capital1 shared Gilde Healthcare1 shared MHS Capital1 shared M&L Healthcare Investments1 shared NextView Ventures1 shared Norwest1 shared Panakès Partners1 shared

RoundOS

A free data room for modern deals, with an AI operator that runs the fundraise.

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Fundraising hub Pre-seed fundraising Seed fundraising Series A fundraising Fundraising follow-up Investor research Investor updates Integrations

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Startup data room VC and LP data room M&A data room

Ritual Capital

1 shared

Santé Ventures1 shared

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