C5 Capital

Venture Capital

Specialist venture capital firm investing in cybersecurity, space technologies, and nuclear energy to nurture a secure digital future.

Washington, United States · 14+ investments · 10 portfolio companies

Early Stage
Growth
Late Stage
Cybersecurity
Energy
Space Technology
Headquarters
Washington, United States
Founded
2015
AUM
$300.0M
Portfolio Companies
10
Total Investments
14
Last Investment
Jan 2023
Geographic Focus
Europe, North America

Investment Thesis

C5 exclusively invests in cybersecurity, space data, and nuclear energy — sectors critical to environmental sustainability and global security — backing mid-to-late stage companies with substantial growth potential and go-to-market scalability.

C5 Capital is a Venture Capital firm based in Washington, United States. It has made 14 investments in Cybersecurity and Energy, including Ionir, Synack and Panoply.

Portfolio10

Co-investors24

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24 co-investors across 30 shared portfolio companies — who they back alongside, and how often they lead.

Venture Capital ×16 · Corporate VC ×6 · Bank ×1 · 26 shared rounds

Investment History

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