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Quiet Capital — Portfolio, Page 2

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
66
Industries
Artificial Intelligence (AI) 10Software 9Information Technology 8Aerospace 5Health Care 4Transportation 3+60 more
Founder contacts

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Portfolio companies

Showing 25–48 of 374
Standard Bots
June 2026

Standard Bots builds industrial robotics systems combining hardware and AI software to automate manufacturing and operations.

Artificial Intelligence (AI) · New York$200.0M Series C
Momentus
May 2026

Momentus is a commercial space company providing satellite buses, in-space transportation, hosted payloads, and in-orbit services.

Aerospace · Santa Clara$25.0M Post-IPO Equity
Commure
May 2026

Commure is an AI-based company that specializes in health care.

Artificial Intelligence (AI) · Mountain View$70.0M Venture - Series Unknown
Decart
May 2026

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

AI Infrastructure · San Francisco$300.0M Venture - Series Unknown
Nothing
May 2026

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

Consumer · LondonUndisclosed
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
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
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
Yumi
April 2026

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

Baby · Los AngelesVenture - Series Unknown
ImmuneBridge
March 2026

ImmuneBridge is developing allogeneic immunotherapies for cancer.

Biotechnology · San Francisco$7.7M Seed
TransFi
March 2026

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

Blockchain · Tampa$14.2M Series A
Greeter
March 2026

Greeter is an agentic AI company that offers a virtual assistant for marketing solutions.

Agentic AI · New York$7.8M Venture - Series Unknown
Science
March 2026

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

Biotechnology · Alameda$230.0M Series C
Portside
March 2026

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

Aerospace · San FranciscoPrivate Equity
Kiavi
February 2026

Kiavi is a tech-enabled lender that provides residential real estate investors with financing solutions for property investments.

Financial Services · San Francisco$350.0M Debt Financing
Examedi
January 2026

Examedi is a healthcare startup that offers a healthcare-at-home marketplace to make booking lab tests easier.

Health Care · Las CondesSeries B
US Chemical Technologies
January 2026

US Chemical Technologies is a next generation chemical holding advancing specialty materials for aerospace and defense industries.

Aerospace · Washington$30.0M Undisclosed
Phoebe
January 2026

Phoebe is an applied AI company that provides AI teammates as receptionists, schedulers, and timekeepers for home care agencies.

Artificial Intelligence (AI) · New York$9.5M Seed
Ndea
January 2026

Ndea develops frontier AI systems combining deep learning with program synthesis for AGI.

Artificial Intelligence (AI) · San FranciscoSeed
Destinus
December 2025

Destinus is a transportation technology company building near-space vehicles and the infrastructure to power the transportation network.

Aerospace · Payerne$58.6M Debt Financing
Last Energy
December 2025

Last Energy is a nuclear technology company that provides nuclear energy through its modular micro nuclear power plants.

Clean Energy · Washington$100.0M Series C
Kilo Code
December 2025

Kilo Code provides an open-source AI-powered coding assistant that supports code generation, debugging, and documentation.

Artificial Intelligence (AI) · San Francisco$8.0M Seed

Where Quiet Capital invests

Artificial Intelligence (AI)10
Software9
Information Technology8
Aerospace5
Health Care4
Transportation3

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, Aerospace, Health Care. The firm invests across 66 different industry categories.

What is Quiet Capital's largest investment?▸

Among tracked funding rounds, Kiavi received $350.0M in a Debt Financing 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 Standard Bots, Momentus, Commure, Decart, Nothing. These companies were founded in 2020 or later.

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