United States · 
Who invested in Nucleus Security?
Nucleus Security's investors include In-Q-Tel and Arthur Ventures.
United States · Series C startup
Who invested in Nucleus Security
Funding summaryUpdated 26 Oct 2026
$20Mraised across 1 round since 2026, from 1 source
- Latest round
- Series C, $20MFeb 2026
- Investors
- 2
The rounds
- Feb 2026
Founders and team
From Nucleus Security's own website and the SEC filings it signed: 1 founder, 5 on the team.
- Kunal DesaiCFO
- Scott UnderwoodChief Customer Officer
- Will GormanCTO
- Adam DudleyVP of Strategy and Alliances
- Stephen CarterExecutive Officer, Directori
On the board, as filediAvery RosinMichael NixonRyan Kruizenga
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Nucleus Security
How much has Nucleus Security raised?
Nucleus Security has raised $20M across 1 round since 2026.
When did Nucleus Security last raise?
Nucleus Security's most recent round was a Series C of $20M in Feb 2026.
What was Nucleus Security's biggest round?
Its most recent round, $20M in Feb 2026, is also its largest on record.
Who backed Nucleus Security first?
Nucleus Security's first round on record, in Feb 2026, was backed by In-Q-Tel and Arthur Ventures.
What stage is Nucleus Security at?
Nucleus Security's latest named round is a Series C, in Feb 2026.
Where is Nucleus Security based?
Nucleus Security is based in the United States.
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In the same sector, and raised in the last eighteen months.
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