Greylock Partners

Activity from announced rounds

Activity in this selectionOct 11, 2026 · Cybersecurity · Jul 14, 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
$145M
2 disclosed · full round size, not this investor’s share

By stage

Seed1
Series C+1

By primary sector

Cybersecurity2

By country

Israel1
United States1

Rounds

2 in this selection
Obsidian Security

Secures non-human identities and AI agents operating in third-party applications

$85MSeries D
Role not disclosed
Oak

Building the AI-native Identity Operating System

$60MSeed
Role not disclosed