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Quiet Capital Portfolio Companies

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

Last updated: June 2026

Quiet Capital Investment Overview

Portfolio Companies
208
Total Invested
$3.8B
Average Investment
$22.5M

Quiet Capital's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
Blank Street2025Venture - Series Unknown$21.0MBrooklyn
Space Forge2025Series A$30.2MCardiff
Openlayer2025Series A$15.0MSan Francisco
OSCAR2025Seed$6.8MLisbon
BuyWander2025Seed$2.0MSpokane
Assort Health2025Series A$22.0MSan Francisco
Thatch2025Series B$40.0MSan Francisco
Aeon2025Seed$12.0MAustin
Sanas2025Series B$65.0MPalo Alto
Breakr2025Venture - Series UnknownUndisclosedOakland

Complete List of Quiet Capital Portfolio Companies (208)

Export
#CompanyStageAmountLocation
26Blank StreetVenture - Series Unknown$21.0MBrooklyn, United States
27Space ForgeSeries A$30.2MCardiff, United Kingdom
28OpenlayerSeries A$15.0MSan Francisco, United States
29OSCARSeed$6.8MLisbon, Portugal
30BuyWanderSeed$2.0MSpokane, United States
31Assort HealthSeries A$22.0MSan Francisco, United States
32ThatchSeries B$40.0MSan Francisco, United States
33AeonSeed$12.0MAustin, United States
34SanasSeries B$65.0MPalo Alto, United States
35BreakrVenture - Series UnknownUndisclosedOakland, United States
CoffeeFood and BeverageHospitalityRestaurants

Blank Street is a coffee chain that offers coffee as a daily ritual that more people can enjoy, in places convenient to their lives.

Brooklyn, United States
May 2025
$21.0M
Venture - Series Unknown

Founder Contacts

19,000+ verified contacts

HardwareManufacturingRobotics

Space Forge develops reusable satellites for manufacturing materials in space.

Cardiff, United Kingdom
May 2025
$30.2M
Series A

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsInformation TechnologyMachine LearningQuality AssuranceSoftware

Openlayer is an analysis platform that opens up machine learning models by detecting and eliminating failure patterns and biases.

San Francisco, United States
May 2025
$15.0M
Series A

Founder Contacts

19,000+ verified contacts

AppsConsumer ApplicationsHome Services

OSCAR is a home services app that offers a platform for booking various on-demand home services for customers.

Lisbon, Portugal
May 2025
$6.8M
Seed

Founder Contacts

19,000+ verified contacts

E-CommerceRetailShopping

BuyWander is a platform connecting consumers with returned products.

Spokane, United States
April 2025
$2.0M
Seed

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)Communications InfrastructureTelehealth

Assort Health helps to improve patient and staff interactions by automating calls.

San Francisco, United States
April 2025
$22.0M
Series A

Founder Contacts

19,000+ verified contacts

Health CareInformation TechnologyPaaSSoftware

Thatch is a health benefits platform that lets businesses offer flexible healthcare through a monthly allowance and curated health services.

San Francisco, United States
April 2025
$40.0M
Series B

Founder Contacts

19,000+ verified contacts

AerospaceArtificial Intelligence (AI)Computer VisionIntelligent SystemsManufacturingMilitaryNational Security

Aeon develops advanced capabilities at scale for maximum deterrence.

Austin, United States
March 2025
$12.0M
Seed

Founder Contacts

19,000+ verified contacts

Language LearningSaaSSoftwareTranslation Service

Sanas is a real-time speech-understanding platform that modulates accents while preserving voices and emotions for natural interactions.

Palo Alto, United States
February 2025
$65.0M
Series B

Founder Contacts

19,000+ verified contacts

Digital MediaMedia and EntertainmentMusic

Breakr connects artists and influencers to break new music through the culture.

Oakland, United States
February 2025
Venture - Series Unknown

Founder Contacts

19,000+ verified contacts

FinanceFinancial ServicesInsuranceInsurTech

Vouch is an insurance company that provides business insurance solutions for high-growth companies through a tech-enabled platform.

San Francisco, United States
February 2025
Series D

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CarePharmaceutical

Nucleus is a new kind of genetic test designed to uncover your risks and help you have healthy kids.

New York, United States
January 2025
$14.0M
Series A

Founder Contacts

19,000+ verified contacts

ChemicalIndustrial AutomationIndustrial ManufacturingManufacturingOil and GasPharmaceuticalPredictive AnalyticsSoftware

Basetwo is an AI CoPilot for manufacturing that provides engineers with recommendations on how to optimize yield, quality, and costs.

Toronto, Canada
January 2025
$11.5M
Series A

Founder Contacts

19,000+ verified contacts

Health CareMedical DeviceTextiles

Leveraging proprietary technology to cost-effectively care for patients at risk of diabetic foot ulcers.

San Francisco, United States
January 2025
$9.5M
Venture - Series Unknown

Founder Contacts

19,000+ verified contacts

Machine LearningSoftware

Mach9 is building the fastest geospatial production platform for engineering and construction firms globally, starting with Digital Surveyor

Pittsburgh, United States
November 2024
$12.0M
Seed

Founder Contacts

19,000+ verified contacts

Developer APIsSoftwareSoftware Engineering

Robust SDKs, Terraform Providers and a toolkit to power REST development at scale.

San Francisco, United States
October 2024
$15.0M
Series A

Founder Contacts

19,000+ verified contacts

Developer APIsE-CommerceFood and BeverageFood DeliverySoftware

The Universal Point of Sale API

San Francisco, United States
October 2024
$8.0M
Series A

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)Call CenterHealth CareSoftware

AI healthcare company focused on automating complex phone-based workflows

San Francisco, United States
October 2024
$51.5M
Series C

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)BiotechnologyHealth CareHealth DiagnosticsMachine LearningMedical DevicePrecision Medicine

iLoF is a digital health company pioneering a breakthrough AI-platform to accelerate the future of personalized medicine.

London, United Kingdom
October 2024
Venture - Series Unknown

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)Information TechnologySoftware

11x develops autonomous digital workers to help organizations optimize their processes.

San Francisco, United States
September 2024
$50.0M
Series B

Founder Contacts

19,000+ verified contacts

Meeting SoftwareSoftwareVideoWeb Apps

Fathom records, transcribes, and summarizes meetings for enhanced productivity.

San Francisco, United States
September 2024
$17.0M
Series A

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)Information TechnologyRoboticsSoftware

Standard Bots offers advanced automation solutions, including the RO1 robot, to help businesses streamline their operations.

New York, United States
July 2024
$63.0M
Series B

Founder Contacts

19,000+ verified contacts

AccountingArtificial Intelligence (AI)Document ManagementDocument PreparationGenerative AIMachine LearningSaaSSoftware

Klarity is an online documentation platform that provides manual document processing, reviewing, and management services.

San Francisco, United States
June 2024
$70.0M
Series B

Founder Contacts

19,000+ verified contacts

ConstructionMarketplaceSoftware

Rundoo builds all-in-one software for paint and hardware stores.

Redwood City, United States
June 2024
$11.0M
Series A

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)Data CenterData IntegrationDatabaseInformation Technology

DatologyAI is an AI-data curation startup that develops deep learning tools for automatic selection in data training.

Redwood City, United States
May 2024
$46.0M
Series A

Founder Contacts

19,000+ verified contacts

Showing 26-50 of 208 portfolio companies

Frequently Asked Questions About Quiet Capital

How many companies has Quiet Capital invested in?

Quiet Capital has invested in 208 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does Quiet Capital invest in?

Quiet Capital's top investment sectors include Software, Artificial Intelligence (AI), Information Technology, Health Care, Machine Learning. The firm invests across 65 different industry categories.

What is Quiet Capital's largest investment?

Among tracked funding rounds, Klarity received $70.0M in a Series B round. Quiet Capital's total known invested capital is $3.8B.

What is the average investment size for Quiet Capital?

Quiet Capital's average investment size is $22.5M across its portfolio of 208 companies.

What are Quiet Capital's most recent investments?

Recent Quiet Capital portfolio additions include Blank Street, Space Forge, Openlayer, OSCAR, BuyWander. These companies were founded in 2020 or later.

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