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ClearSky Security
ClearSky Security is a Series A to Series C stage investment firm. It has made 12 investments. 31% of their portfolio is in Cybersecurity. Average disclosed round size is $27.9M (across 16 rounds with reported amounts).
Portfolio
12
Fund Size
—
Top Stage
Series A
Last 12 Mo
0
Team
JL
Jay Leek
Managing Partner and Co-Founder
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
16 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| MMitiga Security Inc | Growth | $30M | Jan 2025 |
 Axis Security | Series C | $100M | Nov 2024 |
 Mitiga | Series A | $45M | Mar 2023 |
| RRevelstoke Security | Series B | $20M | Mar 2023 |
| MMitiga Security Inc | Series A | $45M | Jan 2023 |
 Revelstoke | Series B | $20M | Jan 2023 |
| Mitiga | Series A | $25M | Jan 2021 |
 Bigid | Series D | $70M | Dec 2020 |
 Inky Technology Corporation | Series B | $20M | Jun 2020 |
| CCloudknox Security Inc | Unknown | $12M | Jan 2020 |
 Cloudknox | Unknown | $11M | Jan 2020 |
| Inky Technology Corporation | Series A | $6M | Nov 2019 |
| OOkera | Series A | $12M | May 2018 |
| IIntSights | Series C | $17M | Jan 2018 |
| SSolebit | Series A | $11M | Jan 2018 |
| SSolebit | Unknown | $2M | Mar 2015 |
Top Co-Investors
ClearSky6 shared
Atlantic Bridge4 shared
Glilot Capital Partners4 shared
Blackstone Inc.4 shared
DNX Ventures3 shared
SYN Ventures3 shared
Foundation Capital2 shared
Dell Technologies Capital2 shared
Sorenson Capital2 shared
MassMutual2 shared
Crosslink Capital2 shared
Samsung Next2 shared
Endeavor2 shared
Bessemer Venture Partners2 shared
Gula Tech Adventures2 shared
Insight Partners2 shared
Blumberg Capital1 shared
Real Ventures1 shared
Canaan Partners1 shared
Cyberstarts1 shared
Last updated: 19 September 2026