Greylock Partners

Activity from announced rounds

Activity in this selectionFeb 28, 2026 · AI · Feb 1, 2026
Rounds participated in
2
Confirmed lead rounds
—
2 roles undisclosed
New companies
2
First participation on record · 0 follow-on
Funding in participating rounds
$167M
2 disclosed · full round size, not this investor’s share

By stage

Series A2

By primary sector

AI1
Cybersecurity1

By country

United States2

Rounds

2 in this selection
Cogent Security

Builds autonomous AI agents to automate vulnerability remediation for security teams

$42MSeries A
Role not disclosed
Resolve AI

Provides AI for running and operating software in production

$125MSeries A
Role not disclosed