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Quiet Capital — Portfolio

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

374
Companies
$19.0B
Total invested
$50.7M
Avg. check
75
Industries
Artificial Intelligence (AI) 12Software 7Information Technology 4Robotics 3SaaS 3FinTech 3+69 more
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Portfolio companies

Showing 1–24 of 374
Cohere
October 2026

Cohere is an AI company that develops enterprise AI models, language-processing tools, and AI-powered solutions for businesses.

Artificial Intelligence (AI) · Toronto$5.0B Series E
FORT Robotics
October 2026

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

Cyber Security · Philadelphia$20.0M Venture - Series Unknown
Suno
October 2026

Suno is a music technology company that provides an AI platform for creating original songs from text prompts and other creative inputs.

Apps · Cambridge$400.0M Venture - Series Unknown
Mach9
October 2026

Mach9 develops AI-powered CAD software that automates drafting and mapping for surveying and civil engineering projects.

Artificial Intelligence (AI) · San Francisco$34.5M Series A
Leena AI
October 2026

Leena AI offers a human resource management platform that transforms employee experience with conversational AI.

Artificial Intelligence (AI) · New York$30.0M Venture - Series Unknown
Meow
October 2026

Meow offers businesses checking accounts with interest, treasury management services, invoicing, bill pay and more.

Financial Services · New York$31.6M Series B
Modal Labs
October 2026

Modal Labs is a serverless cloud infrastructure platform for running machine learning and data processing workloads.

AI Infrastructure · New York$750.0M Series D
Homa
October 2026

Homa provides an AI-powered platform to assist individuals with the home-buying process.

Artificial Intelligence (AI) · Austin$5.0M Seed
Quartermaster AI
September 2026

Quartermaster AI develops maritime technology designed to improve ocean awareness and vessel safety.

Artificial Intelligence (AI) · Arlington$100.0M Series B
Biossil
September 2026

Biossil is an applied AI drug discovery platform to create specialized treatments for distinct patients.

Artificial Intelligence (AI) · Toronto$153.0M Venture - Series Unknown
Within
September 2026

Within turns how a company actually works into structured, AI-ready context, then puts agents to work alongside people. Formerly Klarity.

Agentic AI · San Francisco$70.0M Venture - Series Unknown
Polyphron
September 2026

Polyphron builds an autonomous tissue foundry platform for scalable, reproducible human tissue manufacturing.

Artificial Intelligence (AI) · New City$20.0M Seed
Thatch
September 2026

Thatch provides a health benefits platform that lets employers set health budgets and employees choose insurance and healthcare services.

Employee Benefits · San Francisco$108.0M Series C
BuyWander
September 2026

BuyWander is an online auction marketplace for purchasing goods through bidding.

Consumer Goods · Seattle$21.0M Series A
A Vinyl Bar in Shibuya
September 2026

a music (software) label

Audio · Brooklyn$5.5M Pre-Seed
TRM Labs
September 2026

TRM Labs is a software company that offers blockchain, transaction monitoring, and analytics to help financial institutions and governments.

Big Data · San Francisco$70.0M Series C
Blank Street
August 2026

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

Coffee · Brooklyn$75.0M Series C
Rundoo
August 2026

Rundoo provides an AI-powered POS and retail management platform for hardware, paint, garden, farm and feed, and lumber stores.

Artificial Intelligence (AI) · Redwood City$30.0M Series B
Fazz
August 2026

Fazz enables businesses to send and receive payments, grow their capital, and get funding.

Banking · Singapore$12.5M Corporate Round
Intropy AI
July 2026

Intropy AI offers AI tools that automate sales coaching, lead generation, pricing, and ERP tasks for parts businesses.

Artificial Intelligence (AI) · London$11.0M Seed
Verkada
July 2026

Verkada is a cyber security company that offers an AI integrated platform for cloud physical security.

Artificial Intelligence (AI) · San Mateo$20.0M Corporate Round
Assort Health
June 2026

The most widely-used AI agents platform for the patient journey

Artificial Intelligence (AI) · San Francisco$120.0M Series C
Rapalogix Health
June 2026

Rapalogix Health is a biotechnology company focused on developing longevity-based solutions for skin health and dermatological conditions.

Biopharma · Carlsbad$20.0M Series A
Space Forge
June 2026

Space Forge develops reusable satellites for manufacturing materials in space.

Aerospace · Cardiff$13.4M Grant

Where Quiet Capital invests

Artificial Intelligence (AI)12
Software7
Information Technology4
Robotics3
SaaS3
FinTech3

About Quiet Capital's portfolio

How many companies has Quiet Capital invested in?▸

Quiet Capital has invested in 374 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, SaaS. The firm invests across 75 different industry categories.

What is Quiet Capital's largest investment?▸

Among tracked funding rounds, Cohere received $5.0B in a Series E round. Quiet Capital's total known invested capital is $19.0B.

What is the average investment size for Quiet Capital?▸

Quiet Capital's average investment size is $50.7M across its portfolio of 374 companies.

What are Quiet Capital's most recent investments?▸

Recent Quiet Capital portfolio additions include Cohere, FORT Robotics, Suno, Mach9, Leena AI. These companies were founded in 2020 or later.

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