# YL Ventures

> YL Ventures is a venture capital firm backing Israeli cybersecurity founders from inception through growth. It combines seed investment with enterprise buyer introductions, product feedback, recruiting, marketing and fundraising support, and reports $800 million under management across five funds.

- **Founded:** 2007
- **Headquarters:** Mill Valley, United States
- **Founders:** Yoav Andrew Leitersdorf (Co-founder and Managing Partner), John G. Quigley (Co-founder)
- **Products:** Seed and follow-on investment, Company-building support, CISO advisory network, State of the Cyber Nation
- **Notable:** Reported $800 million under management across five funds following the May 2022 Fund V close., Sold its entire Axonius stake for $270 million in March 2021 after investing $25 million., Portfolio exits include Twistlock to Palo Alto Networks, Hexadite to Microsoft, Medigate to Claroty and Aim Security to Cato Networks.

## Products & services

- **Seed and follow-on investment** — Equity capital for Israeli cybersecurity startups, with a focus on company inception and continued backing as companies grow.
- **Company-building support** — Support with product-market fit, business development, messaging, hiring, operations and follow-on fundraising.
- **CISO advisory network** — Connections to enterprise security leaders for early product feedback, validation and commercial introductions.
- **State of the Cyber Nation** — Research tracking funding and acquisitions in the Israeli cybersecurity ecosystem; the 2025 edition covers a decade of data.

## Achievements

- Reported $800 million under management across five funds following the May 2022 Fund V close.
- Sold its entire Axonius stake for $270 million in March 2021 after investing $25 million.
- Portfolio exits include Twistlock to Palo Alto Networks, Hexadite to Microsoft, Medigate to Claroty and Aim Security to Cato Networks.
- Announced in August 2026 a fourth consecutive top-decile placement in PitchBook’s Global Manager Performance Score tables; the 2025 tables covered 368 fund families.

## Latest updates

- **2026-08** — On August 24, YL announced its fourth consecutive top-decile placement in PitchBook’s manager performance tables.
- **2026-08** — Portfolio company Minimus announced a wind-down; on August 27, Echo announced the acquisition of key assets and a customer continuity plan.
- **2026-05** — Former portfolio investment Axonius reported more than $200 million ARR; YL had sold its entire stake in 2021.
- **2026-01** — YL published its 2025 State of the Cyber Nation report, reviewing Israeli cybersecurity financing and acquisitions.

## Links

- Website: https://www.ylventures.com/
- LinkedIn: https://www.linkedin.com/company/yl-ventures
- Twitter/X: https://twitter.com/ylventures
- Facebook: https://www.facebook.com/YL-Ventures-440114199511661

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Profile page: https://yespress.io/yl-ventures
Published by YesPress — https://yespress.io
Last updated: 2026-10-27