YL Ventures is a venture capital firm that exclusively invests in seed-stage Israeli cybersecurity startups. Their strategy involves providing hands-on support, leveraging a network of Fortune 500 CISOs, and assisting with go-to-market strategies to help these companies become market leaders.
69% of their portfolio is in Cybersecurity. Deal activity increased 200% year-over-year (3 deals in the last 12 months). Average disclosed round size is $21.7M (across 27 rounds with reported amounts).
Portfolio
29
Fund Size
$800M
Top Stage
Seed
Last 12 Mo
3
Team
Yoav Leitersdorf
Managing Partner
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
29 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Opti | Seed | $20M | Nov 2025 |
| HHush Security | Seed | $11M | Sep 2025 |
 MIND | Series A | $30M | Jun 2025 |
 ScorePlay | Series A | $12.5M | Feb 2025 |
| AAim Security | Seed | $10M | Jan 2024 |
 Gutsy | Seed | $51M | Oct 2023 |
 Grip Security | Series B | $41M | Aug 2023 |
| SSpera | Seed | $10M | Mar 2023 |
 Valence Security | Series A | $25M | Oct 2022 |
 Hunters | Series C | $68M | Jan 2022 |
| Grip Security | Series A | $19M | Dec 2021 |
| KKaramba Security | Series B | $10M | Dec 2021 |
 Cycode | Series B | $56M | Nov 2021 |
| PPiiano | Series A | $9M | Oct 2021 |
 Valence | Seed | $7M | Oct 2021 |
 Satori | Series A | $20M | Sep 2021 |
 Vulcan Cyber | Series B | $21M | Mar 2021 |
 Orca Security | Series B | $55M | Dec 2020 |
| Bbuild.security | Seed | $6M | Nov 2020 |
| RRide Vision | Series A | $7M | Nov 2020 |
| EEnso Security | Seed | $6M | Oct 2020 |
| MMedigate | Series B | $30M | Sep 2020 |
| Orca Security | Series A | $20M | May 2020 |
| Cycode | Seed | $4.6M | Sep 2019 |
 LANDR | Series B | $26M | Jul 2019 |
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Top Co-Investors
U.S. Venture Partners3 shared
Blumberg Capital3 shared
M12 (Microsoft)3 shared
Intel Capital2 shared
Paladin Capital Group2 shared
Wiz2 shared
Warner Music2 shared
Bessemer Venture Partners2 shared
Stripes Group2 shared
DTCP2 shared
Cisco Investments2 shared
Databricks Ventures2 shared
Snowflake2 shared
GGV Capital2 shared
Silicon Valley CISO Investment2 shared
Okta2 shared
Mayfield Fund2 shared
Cyber Club London1 shared
Jump Capital1 shared
Insight Partners1 shared
Last updated: 13 March 2026