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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
Quartermaster AI2026Series AUndisclosedArlington
Decart2026Venture - Series Unknown$32.0MSan Francisco
Nothing2026Undisclosed$200.0MLondon
Checkstep2026SeedUndisclosedLondon
Merlin Labs2026Post-IPO EquityUndisclosedBoston
Manifest OS2026Series AUndisclosedNew York
Petual2026SeedUndisclosedSan Francisco
Omni2026Series C$69.0MSan Francisco
Yumi2026Venture - Series UnknownUndisclosedLos Angeles
Science2026Series C$230.0MAlameda

Complete List of Quiet Capital Portfolio Companies (208)

Export
#CompanyStageAmountLocation
1Quartermaster AISeries AUndisclosedArlington, United States
2DecartVenture - Series Unknown$32.0MSan Francisco, United States
3NothingUndisclosed$200.0MLondon, United Kingdom
4CheckstepSeedUndisclosedLondon, United Kingdom
5Merlin LabsPost-IPO EquityUndisclosedBoston, United States
6Manifest OSSeries AUndisclosedNew York, United States
7PetualSeedUndisclosedSan Francisco, United States
8OmniSeries C$69.0MSan Francisco, United States
9YumiVenture - Series UnknownUndisclosedLos Angeles, United States
10ScienceSeries C$230.0MAlameda, United States
Artificial Intelligence (AI)National SecurityRobotics

Quartermaster AI is a defense technology company that develops real-time distributed marine software via AI robot technology.

Arlington, United States
May 2026
Series A

Founder Contacts

19,000+ verified contacts

AI InfrastructureArtificial Intelligence (AI)ConsumerGamingGenerative AIIT InfrastructureReal Time

Decart is an AI company that develops models to transform live footage into immersive digital environments in real time.

San Francisco, United States
May 2026
$32.0M
Venture - Series Unknown

Founder Contacts

19,000+ verified contacts

ConsumerConsumer ElectronicsConsumer SoftwareInformation TechnologyMobile Devices

Nothing develops consumer electronics, including smartphones and earbuds, with a focus on connectivity and design.

London, United Kingdom
May 2026
$200.0M
Undisclosed

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)ContentInformation Technology

Checkstep develops an AI-driven platform designed to automate the process of moderating user-generated content.

London, United Kingdom
April 2026
Seed

Founder Contacts

19,000+ verified contacts

AerospaceAir TransportationAsset ManagementAutonomous VehiclesFinanceFinancial ServicesInformation TechnologySoftwareTrainingTransportation

Merlin Labs develops hardware and software solutions that deliver the capability for aircraft to fly useful missions autonomously.

Boston, United States
April 2026
Post-IPO Equity

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)LegalLegal Tech

Manifest OS empowers AI-native law firms through a unified global brand and a proprietary technology platform.

New York, United States
April 2026
Series A

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)ComplianceEnterprise SoftwareFinancial ServicesInformation TechnologyRisk ManagementSaaSSoftware

Automating SOX testing with precision at scale. AI-powered audit testing in minutes, not months.

San Francisco, United States
April 2026
Seed

Founder Contacts

19,000+ verified contacts

AnalyticsArtificial Intelligence (AI)Business IntelligenceInformation TechnologySaaSSoftware

Omni provides a data collaboration and analytics platform that allows teams to explore, model, and share business data in one environment.

San Francisco, United States
April 2026
$69.0M
Series C

Founder Contacts

19,000+ verified contacts

BabyFood and BeverageOrganic FoodWellness

Yumi offers a science-based early childhood meal delivery program.

Los Angeles, United States
April 2026
Venture - Series Unknown

Founder Contacts

19,000+ verified contacts

BiotechnologyMedicalNeuroscience

Science is a clinical-stage medical technology company that develops neuroengineering systems to address neurological and sensory disorders.

Alameda, United States
March 2026
$230.0M
Series C

Founder Contacts

19,000+ verified contacts

AerospaceAir TransportationAnalyticsSoftwareTransportation

Portside is an aircraft data, reporting, and analytics platform for individual and corporate plane owners.

San Francisco, United States
March 2026
Private Equity

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareInformation Technology

ImmuneBridge is developing allogeneic immunotherapies for cancer.

San Francisco, United States
March 2026
$7.7M
Seed

Founder Contacts

19,000+ verified contacts

BlockchainFinTechPaymentsWeb3

TransFi provides stablecoin-powered payment solutions enabling cross-border transfers, collections, and digital currency transactions.

Tampa, United States
March 2026
$14.2M
Series A

Founder Contacts

19,000+ verified contacts

AnalyticsBlockchainCryptocurrencySoftware

Flipside Crypto provides analytics and business intelligence to crypto organizations.

Boston, United States
October 2025
$3.6M
Venture - Series Unknown

Founder Contacts

19,000+ verified contacts

Bookkeeping and PayrollComplianceHuman ResourcesRecruiting

Deel offers a unified platform that supports payroll, HR, compliance, and workforce management across global teams.

San Francisco, United States
October 2025
$300.0M
Series E

Founder Contacts

19,000+ verified contacts

Employee BenefitsHealth CareInsuranceInsurTech

Nava provides employee benefits brokerage services with a focus on affordable healthcare.

New York, United States
October 2025
$30.0M
Series C

Founder Contacts

19,000+ verified contacts

Hedge FundsReal Estate InvestmentSoftwareVenture CapitalWealth Management

Arch digitally manages private investment operations for investors and investment advisors.

New York, United States
September 2025
$52.0M
Series B

Founder Contacts

19,000+ verified contacts

AgTechArtificial Intelligence (AI)FarmingRobotics

Orchard Robotics develops an operating system that enables precision agriculture driven by robots and AI.

Seattle, United States
September 2025
$22.0M
Series A

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)Business Process Automation (BPA)Telehealth

Assort Health provides voice AI agents designed for healthcare call centers, enabling automation of appointment management tasks.

San Francisco, United States
August 2025
$50.0M
Series B

Founder Contacts

19,000+ verified contacts

FinanceFinancial ServicesFinTech

Cache is a fintech startup that offers brokerage service for individuals holding large stock positions.

San Francisco, United States
August 2025
$12.5M
Series A

Founder Contacts

19,000+ verified contacts

Cyber SecurityIndustrial AutomationRoboticsSecurity

FORT Robotics is a safety and security platform designed to secure autonomous machines from cybersecurity attacks.

Philadelphia, United States
August 2025
$18.9M
Series B

Founder Contacts

19,000+ verified contacts

Content CreatorsMedia and EntertainmentNewsPublishingSubscription Service

Substack is a subscription-based newsletter publishing platform for independent writers.

San Francisco, United States
July 2025
$100.0M
Series C

Founder Contacts

19,000+ verified contacts

BankingFinancial ServicesFinTechForeign Exchange Trading

Cross-Border B2B Payments and Global Transaction Banking for SMBs

Palo Alto, United States
June 2025
$12.0M
Seed

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)HardwarePublic SafetySoftware

Pano uses deep learning AI and computer vision to automatically detect, verify and classify wildfire events in real time.

San Francisco, United States
June 2025
$44.0M
Series B

Founder Contacts

19,000+ verified contacts

Marine TechnologyRoboticsService IndustrySoftware

Bedrock Ocean Exploration is a platform for underwater vehicles.

Brooklyn, United States
June 2025
$25.0M
Series A

Founder Contacts

19,000+ verified contacts

Showing 1-25 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 Artificial Intelligence (AI), Software, Information Technology, Robotics, Financial Services. The firm invests across 72 different industry categories.

What is Quiet Capital's largest investment?

Among tracked funding rounds, Deel received $300.0M in a Series E 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 Quartermaster AI, Decart, Nothing, Checkstep, Merlin Labs. These companies were founded in 2020 or later.

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Quiet Capital Portfolio: 208 Companies & Co-Investors (2026) | VCBacked