Holly Ventures

A seed-stage venture capital fund investing in cybersecurity startups with an emphasis on Israel.

Venture Capital Active San Francisco, United States Est. 2024
Last updated 2026-07-20
Portfolio
0
in our dataset
Rounds participated
0
Rounds led
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Rounds' value
total disclosed, rounds participated
Stages
Seed

About

Holly Ventures is a $33 million, solo-led seed fund investing in cybersecurity startups from Day Zero. Founded by John Brennan, formerly a Senior Partner at YL Ventures, the firm focuses on providing founders with direct GP engagement, early-stage operating help, and a high-density network. Holly Ventures invests globally, with a particular emphasis on the United States and Israel, and aims to be a collaborative syndicate partner rather than a competing lead investor.

Portfolio

No portfolio companies in this dataset yet.

Investment activity

Portfolio by sector

Cyber Security1

Funds · 1

  • 1 — $30M Sep 2025

Q&A

What is Holly Ventures' primary investment focus?
Holly Ventures is a seed-stage investment fund that focuses on the "next generation" of Israeli cybersecurity startups.
When was Holly Ventures founded and by whom?
Holly Ventures was founded in 2023 by John Brennan, a former key partner at YL Ventures.
What is the size of Holly Ventures' Fund 1?
Holly Ventures raised $30M for its Fund 1 in September 2025.
Which sectors does Holly Ventures primarily invest in?
Holly Ventures primarily invests in the Cyber Security sector, with one recorded investment in this area.
Can you name a notable portfolio company of Holly Ventures?
One notable portfolio company is Venice, which raised a $33M Series A round in February 2026.
What investment stage does Holly Ventures typically target?
Holly Ventures primarily targets Seed stage investments, though it participated in a Series A round for Venice.
What is John Brennan's role at Holly Ventures?
John Brennan is the Founder of Holly Ventures.
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Identifiers & details

Founded2024