# Holly Ventures

> Holly Ventures is a VC fund backing Cyber Security and Artificial Intelligence. See 5 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: San Francisco, United States
- Total investments: 5
- Last investment: Jul 2026
- Lead investor: 20%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/holly-ventures/
- Website: https://www.hollyventures.com/

Holly Ventures is an early-stage cybersecurity venture capital firm that provides seed investment for cybersecurity entrepreneurs.

## Contacts

5 contacts available for Holly Ventures. Shizune tracks 1 team members at Holly Ventures. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/holly-ventures?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Cyber Security | 3 | 60% |
| Artificial Intelligence | 2 | 40% |
| Computer | 1 | 20% |
| Security | 1 | 20% |
| Cloud Computing | 1 | 20% |

6 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 2 | 40% |
| Series A | 2 | 40% |
| Series B | 1 | 20% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 3 | 60% |
| Israel | 1 | 20% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| John Brennan | Founder & Managing Partner | 7 | https://shizune.co/investors/profile/john-brennan-ff2f |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| 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 |  |

5 of 5 investments shown.

## Co-investors
- [Index Ventures](https://shizune.co/investors/profile/index-ventures) — VC Fund, 3 deals together
- [Cyberstarts](https://shizune.co/investors/profile/cyberstarts) — VC Fund, 2 deals together
- [Sequoia Capital](https://shizune.co/investors/profile/sequoia-capital) — VC Fund, 2 deals together
- [Team8](https://shizune.co/investors/profile/team8) — VC Fund, 2 deals together
- [AlphaDrive Ventures](https://shizune.co/investors/profile/alphadrive-ventures) — VC Fund, 1 deal together
- [Greenoaks](https://shizune.co/investors/profile/greenoaks-capital) — VC Fund, 1 deal together

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

## 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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