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S3 Ventures — Portfolio, Page 2

Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.

84
Companies
$1.7B
Total invested
$22.6M
Avg. check
48
Industries
Software 8Information Technology 7Health Care 6Manufacturing 5Medical Device 4Machine Learning 4+42 more
Founder contacts

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Portfolio companies

Showing 2548 of 84
Ictero Medical
February 2022

Ictero Medical is a medical device company that provides minimally invasive gallbladder ablation solutions.

Health Care · Houston$2.5M Venture - Series Unknown
Venture Med Group
October 2025

Venture Med Group develops medical devices for vascular health, focusing on peripheral artery disease and arteriovenous access treatment.

Biotechnology · Plymouth$28.0M Series C
Folia Health
October 2025

Folia Health is a platform that captures and shares secure health and symptom data for users.

Health Care · Cambridge$10.5M Series A
QbDVision
May 2025

QbDVision is a biopharma company that offers a platform designed specifically for biotech products, teams, and processes.

Biotechnology · Austin$13.0M Series A
CereTax
April 2025

CereTax is here to show tax managers, tax directors.

Consulting · Alpharetta$7.9M Venture - Series Unknown
Crogl
March 2025

Crogl investigates thousands of alerts per day following your organization's workflows.

Computer · Bernalillo$25.0M Series A
TensorStax
March 2025

TensorStax is a SaaS company that offers autonomous AI for data engineering services.

Artificial Intelligence (AI) · San Francisco$5.3M Seed
Mavvrik
February 2025

Mavvrik is a unified platform to manage Cloud, On-Prem, AI, and SaaS costs

Information Technology · Austin$6.2M Seed
KamiwazaAI
January 2025

KamiwazaAI offers scalable AI solutions for cloud, core, and edge environments.

Artificial Intelligence (AI) · Silverthorne$8.5M Seed
Sunthetics
November 2024

Easy-to-use machine-learning platform that leverages small data to develop new chemicals, materials, and processes up to 32x faster.

Chemical · San Marcos$4.0M Seed
Prokeep
November 2024

Prokeep is a customer engagement platform that enhances distributor communication.

B2B · New Orleans$25.0M Series A
RepVue
October 2024

RepVue is a crowdsourced ratings and career development platform for sales professionals.

Career Planning · Chapel HillSeed
Allstacks
August 2024

Allstacks develops a software engineering intelligence platform to predict forecasting and risk management.

Business Intelligence · Raleigh$10.0M Series A
NoiseAware
August 2024

Noiseaware is a noise protection service company that protects short-term rental properties, neighbors, and profits.

Consumer Electronics · Dallas$150K Series A
Riscosity
April 2023

Riscosity is the data flow posture management platform built to enable control, visibility, and compliance for data going to third parties.

Analytics · Austin$7.0M Seed
Vuv Analytics
February 2023

VUV Analytics develops vacuum ultraviolet optical technologies available for use in the life and environmental sciences.

Analytics · Austin$20.0M Venture - Series Unknown
Nexus
January 2023

Nexus serves as a platform for live service games and the content creators who play them.

Gaming · Austin$10.0M Series A
Plural
January 2023

Plural is a company that provides public policy tools to help teams save time and discover opportunities in workflows.

News · WashingtonVenture - Series Unknown
Opine
December 2025

Opine helps to automate the pre-sales efforts for enterprise software transaction by removing the hassle of managing POCs.

Financial Exchanges · Durham$5.0M Seed
Alleviant Medical
January 2025

Alleviant Medical develops transcatheter technology designed to lift the clinical and economic burden of heart failure.

Biotechnology · Austin$90.0M Venture - Series Unknown
MontyCloud
January 2026

MontyCloud helps customers manage and monitor their cloud services.

Cloud Computing · Seattle$11.5M Series B
VahatiCor
November 2025

VahatiCor develops the A-FLUX Reducer System for coronary microvascular dysfunction relief.

Manufacturing · Santa Clara$23.0M Series B
LeanDNA
October 2025

LeanDNA is a Cloud platform that helps manufacturers manage inventory, balance supply and demand, and improve production planning.

Analytics · AustinPrivate Equity
BrainCheck
February 2026

BrainCheck is a digital platform for cognitive assessment and care that evaluates brain health across clinical and non-clinical settings.

Health Care · Houston$13.0M Series A

Where S3 Ventures invests

Software8
Information Technology7
Health Care6
Manufacturing5
Medical Device4
Machine Learning4

About S3 Ventures's portfolio

How many companies has S3 Ventures invested in?

S3 Ventures has invested in 84 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does S3 Ventures invest in?

S3 Ventures's top investment sectors include Software, Information Technology, Health Care, Manufacturing, Medical Device. The firm invests across 48 different industry categories.

What is S3 Ventures's largest investment?

Among tracked funding rounds, Alleviant Medical received $90.0M in a Venture - Series Unknown round. S3 Ventures's total known invested capital is $1.7B.

What is the average investment size for S3 Ventures?

S3 Ventures's average investment size is $22.6M across its portfolio of 84 companies.

What are S3 Ventures's most recent investments?

Recent S3 Ventures portfolio additions include Ictero Medical, Venture Med Group, Folia Health, QbDVision, CereTax. These companies were founded in 2020 or later.

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