Quiet Capital

Activity from announced rounds

Activity in this selectionOct 19, 2026 · Jul 22, 2026

Quiet Capital is the venture firm named by RWX and Thatch in their financing announcements.

Recorded funding activity

RWX supplies cloud environments for testing agent-developed software. Thatch manages employee-directed health benefits, while Polyphron develops micro-tissue models for drug research. The company histories preserve these distinct applications.

Sources
Rounds participated in
6
Confirmed lead rounds
2
3 roles undisclosed
New companies
6
First participation on record · 0 follow-on
Funding in participating rounds
$208M
6 disclosed · full round size, not this investor’s share

By stage

Seed3
Series A1
Series B1
Undisclosed1

By primary sector

Biotech1
Developer tools1
Fintech1
Healthtech1
Logistics1
1 more
Proptech1

By country

United States5
United Kingdom1

Rounds

6 in this selection
Homa

Homa combines an AI homebuying platform with licensed brokerage services in the United States.

$5MSeed
Lead
Polyphron

An AI-guided tissue-engineering platform that grows human micro-tissues and models their responses to support drug research and development.

$20MSeed
Lead
Thatch

A health-benefits platform that lets employers set healthcare budgets while employees choose insurance and eligible care to fit their needs.

$108MNew funding
Participant
RWX

Dev cloud platform for validating and testing AI-driven software engineering

$12MSeries A
Role not disclosed
Intropy

AI-native platform automating inventory, pricing and other critical decisions for spare parts businesses

$11MSeed
Role not disclosed
Arch

Arch helps investors, advisers and family offices administer private-market portfolios by collecting documents, standardizing data and coordinating investment workflows.

$52MSeries B
Role not disclosed