Matrix

Activity from announced rounds

Activity in this selectionAI · Series A

Matrix, also historically named Matrix Partners, is the US venture firm associated with investors Matt Brown and Stan Reiss.

Recorded funding activity

Its covered companies include Metriport’s patient-data infrastructure, Light’s retail-energy systems and Delos Data’s inference infrastructure. Sila’s battery technology and Optura’s healthcare AI assessment remain separate company investments in the same firm history.

Sources
Rounds participated in
3
Confirmed lead rounds
—
3 roles undisclosed
New companies
3
First participation on record · 0 follow-on
Funding in participating rounds
$64.5M
3 disclosed · full round size, not this investor’s share

By stage

Series A3

By primary sector

Healthtech2
Edtech1

By country

United States3

Rounds

3 in this selection
Metriport

Open-source healthcare data infrastructure unifying patient records for clinicians

$26MSeries A
Role not disclosed
Optura

Provides ROAI platform for healthcare organizations to assess AI business value and viability

$17.5MSeries A
Role not disclosed
BoldVoice

Provides AI-powered voice coaching for non-native English speakers

$21MSeries A
Role not disclosed