Quiet Capital

Activity from announced rounds

Activity in this selectionOct 16, 2026 · Jul 19, 2026
Rounds participated in
5
Confirmed lead rounds
1
3 roles undisclosed
New companies
5
First participation on record · 0 follow-on
Funding in participating rounds
$203M
5 disclosed · full round size, not this investor’s share

By stage

Seed2
Series A1
Series B1
Undisclosed1

By primary sector

Biotech1
Developer tools1
Fintech1
Healthtech1
Logistics1

By country

United States4
United Kingdom1

Rounds

5 in this selection
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