Quiet Capital

Activity from announced rounds

Activity in this selectionOct 24, 2026 · Enterprise software · Jul 27, 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
4
Confirmed lead rounds
0
3 roles undisclosed
New companies
4
First participation on record · 0 follow-on
Funding in participating rounds
$109M
4 disclosed · full round size, not this investor’s share

By stage

Series A2
Seed1
Series B1

By primary sector

Developer tools1
Enterprise software1
Fintech1
Logistics1

By country

United States3
United Kingdom1

Rounds

4 in this selection
Mach9

AI CAD software that turns laser scans and imagery into engineering drawings for infrastructure projects.

$34MSeries A
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