Quiet Capital

Activity from announced rounds

Activity in this selectionUnited States · Oct 16, 2026 · Jul 19, 2026
Rounds participated in
4
Confirmed lead rounds
1
2 roles undisclosed
New companies
4
First participation on record · 0 follow-on
Funding in participating rounds
$192M
4 disclosed · full round size, not this investor’s share

By stage

Seed1
Series A1
Series B1
Undisclosed1

By primary sector

Biotech1
Developer tools1
Fintech1
Healthtech1

By country

United States4

Rounds

4 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
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