Matrix

Activity from announced rounds

Activity in this selectionOct 24, 2026 · Climate tech · Jul 27, 2026

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
1
Confirmed lead rounds
1
All roles disclosed
New companies
1
First participation on record · 0 follow-on
Funding in participating rounds
$46M
1 disclosed · full round size, not this investor’s share

By stage

Series A1

By primary sector

Climate tech1

By country

United States1

Rounds

1 in this selection
Light

Light supplies the retail-energy platform behind branded electricity offers from partners such as solar and battery providers.

$46MSeries A
Lead