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Quiet Capital — Portfolio, Page 4

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

366
Companies
$13.1B
Total invested
$43.7M
Avg. check
82
Industries
Software 9Artificial Intelligence (AI) 8Information Technology 6Financial Services 4Finance 3SaaS 3+76 more
Founder contacts

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Portfolio companies

Showing 7396 of 366
Biosynch.ai
April 2025

Pioneering the future of medicine through artificial intelligence and computational biology.

San Diego$4.2M Seed
Chroma
April 2023

Chroma operates as an AI-native open-source embedding database.

AI Infrastructure · San Francisco$18.0M Seed
Built Robotics
April 2022

Built Robotics is a developer of AI guidance systems that transform heavy equipment into autonomous robots.

Artificial Intelligence (AI) · San Francisco$64.0M Series C
Model-Prime
April 2023

Enterprise Grade Infrastructure For any Robotics Company

Cloud Computing · Pittsburgh$3.3M Seed
Lightning Labs
April 2022

Lightning Labs is building the next generation of decentralized, resilient financial infrastructure on top of the bitcoin blockchain.

Bitcoin · San Francisco$70.0M Series B
Mentava
April 2022

Mentava is a software development company that supports top-performing students to achieve their potential.

EdTech · Tacoma$3.0M Seed
Checkstep
April 2026

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

Artificial Intelligence (AI) · London$4.0M Seed
Merlin Labs
April 2026

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

Aerospace · Boston$80.0M Post-IPO Equity
Manifest OS
April 2026

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

Artificial Intelligence (AI) · New York$60.0M Series A
Omni
April 2026

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

Analytics · San Francisco$120.0M Series C
Biossil
April 2026

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

Artificial Intelligence (AI) · Toronto$70.0M Venture - Series Unknown
Petual
April 2026

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

Artificial Intelligence (AI) · San Francisco$20.0M Seed
Yumi
April 2026

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

Baby · Los AngelesVenture - Series Unknown
Mansio
April 2022

Mansio is a real estate firm that offers property development, commercial real estate, residential housing, and real estate investments.

Commercial Real Estate · Aulnay$2.7M Seed
Woosh Air
April 2022

Woosh is a tech company that focuses on the development of innovative air filtration products.

Consumer Software · South San Francisco$1.3M Pre-Seed
Myxt
April 2023

Myxt is a computer software company.

Apps · San Francisco$2.0M Seed
Alliance DAO
April 2023

Alliance is the leading Web3 accelerator and founder community.

Finance · ChicagoSeed
Mayvenn
April 2025

Mayvenn enables stylists to sell products directly to their clients without the upfront costs and burdens of holding inventory.

Beauty · OaklandConvertible Note
Misfits Market
April 2023

Misfits Market provides a subscription box service for organically sourced produce.

E-Commerce · ClackamasVenture - Series Unknown
Minicircle
April 2024

Minicircle develops a human genetic enhancement platform to facilitate life extension capabilities.

Biotechnology · Los Angeles$459K Venture - Series Unknown
Brave
April 2022

Brave Software focuses on increasing browsing speed and safety for users, while growing ad revenue share for content creators.

Advertising · San FranciscoSeries B
Azuro
April 2024

Azuro offers tools and solutions to help developers build prediction applications on the blockchain.

Blockchain · Tucson$3.5M Seed
Coda
April 2024

Coda is a document collaboration platform that brings data and teams together.

Artificial Intelligence (AI) · San FranciscoCorporate Round
Enter
March 2022

Enter gets doctors paid MORE than anyone from insurance and patients.

Electronic Health Record (EHR) · San Francisco$5.7M Seed

Where Quiet Capital invests

Software9
Artificial Intelligence (AI)8
Information Technology6
Financial Services4
Finance3
SaaS3

About Quiet Capital's portfolio

How many companies has Quiet Capital invested in?

Quiet Capital has invested in 366 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, Financial Services, Finance. The firm invests across 82 different industry categories.

What is Quiet Capital's largest investment?

Among tracked funding rounds, Omni received $120.0M in a Series C round. Quiet Capital's total known invested capital is $13.1B.

What is the average investment size for Quiet Capital?

Quiet Capital's average investment size is $43.7M across its portfolio of 366 companies.

What are Quiet Capital's most recent investments?

Recent Quiet Capital portfolio additions include Biosynch.ai, Chroma, Built Robotics, Model-Prime, Lightning Labs. These companies were founded in 2020 or later.

Reach the founders behind these 366 companies
Verified emails and LinkedIn profiles, updated monthly.
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