Cyberstarts is an early-stage venture capital firm founded in 2018 by Gili Raanan, focused exclusively on cybersecurity. Based in Mikhmoret, Israel, the firm engages with founders at the earliest stages—often before product or team exists—through its 'Sunrise' methodology. Its latest fund is the $380 million Opportunity Fund II (closed September 2025), bringing total capital commitments to over $1.4 billion across seven funds.
56% of their portfolio is in Cybersecurity. Deal activity increased 140% year-over-year (12 deals in the last 12 months). Average disclosed round size is $107.4M (across 75 rounds with reported amounts).
Portfolio
40
Fund Size
$380M
Top Stage
Series A
Last 12 Mo
12
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
81 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Onyx | Series B | $113M | Jul 2026 |
 Glow | Series A | $60M | Jul 2026 |
 Glow | Series A | $180M | Jul 2026 |
 LinX | Series B | $50M | Mar 2026 |
 Oasis Security | Series C | $120M | Mar 2026 |
| OOnyx Security | Unknown | $40M | Mar 2026 |
 Vega Security | Series B | $120M | Feb 2026 |
 Upwind | Series B | $250M | Jan 2026 |
| UUpwind Security | Series B | $250M | Jan 2026 |
 Cyera | Series F | — | Jan 2026 |
| CCyera Ltd. | Series F | $400M | Jan 2026 |
 Onyx | Series B | $113M | Jan 2026 |
 Surf Ai | Seed | $57M | Jan 2026 |
 Vega | Series A | $20M | Jan 2026 |
| LinX | Series B | $50M | Jan 2026 |
| AA Security | Unknown | $37M | Jan 2026 |
 Oasis | Series B | $120M | Jan 2026 |
 Newcore | Seed | $66M | Jan 2026 |
| Vega Security | Series B | $120M | Jan 2026 |
| Glow | Seed | $180M | Jan 2026 |
 Glow Labs | Series B | $100M | Jan 2026 |
 Zafran Security | Series C | $60M | Dec 2025 |
| Cyera | Series E | — | Jun 2025 |
| Glow | Seed | $20M | Mar 2025 |
| Vega Security | Seed | — | Jan 2025 |
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Top Co-Investors
Sequoia Capital28 shared
Accel20 shared
Redpoint Ventures18 shared
Index Ventures17 shared
Insight Partners16 shared
Greylock Partners14 shared
Greenoaks Capital12 shared
Bessemer Venture Partners12 shared
Lightspeed Venture Partners11 shared
TCV10 shared
Leaders Fund9 shared
Craft Ventures9 shared
Spark Capital9 shared
CRV7 shared
Coatue Management LLC6 shared
Georgian Partners6 shared
Lux Capital6 shared
Penny Jar Capital5 shared
Alta Park Capital5 shared
Salesforce Ventures4 shared
Last updated: 7 October 2026