Obsidian Security
Secures non-human identities and AI agents operating in third-party applications
$85MSeries D
Role not disclosedGP
Greylock Partners
Activity from announced rounds
Activity in this selectionOct 24, 2026 · Cybersecurity · Jan 1, 2026
- Rounds participated in
- 4
- Confirmed lead rounds
- — 4 roles undisclosed
- New companies
- 4 First participation on record · 0 follow-on
- Funding in participating rounds
- $257M 4 disclosed · full round size, not this investor’s share
By stage
By primary sector
By country
Rounds
4 in this selectionOak
Building the AI-native Identity Operating System
$60MSeed
Role not disclosedCensys
Provides Internet intelligence and insights for security operations and exposure management
$70MSeries D
Role not disclosedCogent Security
Builds autonomous AI agents to automate vulnerability remediation for security teams
$42MSeries A
Role not disclosed