Holly Ventures
VC Fund
San Francisco, United States
Holly Ventures is an early-stage cybersecurity venture capital firm that provides seed investment for cybersecurity entrepreneurs.
- Total investments:
- 5
- Last investment:
- Lead investor:
- 20%
Last updated:
For AI agents: llms.txt
Industries Holly Ventures invests in
Stages Holly Ventures invests in
Countries Holly Ventures invests in
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
John Brennan
|
|||
Investment Focus
Industry
- Cyber Security 3 (60%)
- Artificial Intelligence 2 (40%)
- Computer 1 (20%)
- Security 1 (20%)
- Cloud Computing 1 (20%)
Stage
- Seed 2 (40%)
- Series A 2 (40%)
- Series B 1 (20%)
Country
- United States 3 (60%)
- Israel 1 (20%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
|
John Brennan
Founder & Managing Partner
|
Founder & Managing Partner | Total investments: 7 | Find email |
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Glow
|
Glow is an AI-powered endpoint security company.Glow’s AI agents create a single source of truth across devices, people, and software, understand risk in the context of your policies, and - within the guardrails you set - autonomously prevent problems before they become incidents. | $100M / Series B / Jul 22, 2026 | |
Beacon Security
|
Next Generation Security Data and Telemetry Management | $13M / Seed / Jul 16, 2026 | |
Astelia
|
Astelia uses patented agentic AI to examine the technical requirements for exploitation after mapping and modeling your network topology through integrations with infrastructure and network technologies. | $25M / Series A / Feb 24, 2026 | |
|
Astelia
|
Astelia uses patented agentic AI to examine the technical requirements for exploitation after mapping and modeling your network topology through integrations with infrastructure and network technologies. | $10M / Seed / Jan 01, 2026 | |
Venice
|
Venice is a modern Privileged Access Management (PAM) platform that enables Zero Standing Privilege through Just-in-Time, contextual access for cloud and on-prem environments. It eliminates vault sprawl, rigid workflows, and agents. | $25M / Series A / Dec 01, 2025 |
Co-Investors
Index Ventures
3 deals together
Cyberstarts
2 deals together
Sequoia Capital
2 deals together
Team8
2 deals together
AlphaDrive Ventures
1 deal together
Greenoaks
1 deal together
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FAQ
What does Holly Ventures invest in?
Holly Ventures invests primarily in Cyber Security, Artificial Intelligence and Computer startups, most often at Seed and Series A stage. Most of the 5 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Holly Ventures?
Public channels for Holly Ventures include LinkedIn and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at Holly Ventures?
The team at Holly Ventures includes John Brennan (Founder & Managing Partner). The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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