Nucleus Security

Sarasota, FL · Founded 2018 · Privately Held (backing)

Developer of vulnerability management software designed to be the single source of truth for all vulnerability and security-finding information in an enterprise. Nucleus Security is based in Sarasota, FL and was founded in 2018. It was valued at $175 million at its later-stage round in Jan 2026, the last priced event on record. It has raised $66.5 million across 2 recorded rounds; the latest was a $20.3 million early-stage round in Mar 2022.

PMV mark · valuation
$175.0M
Oct 2026
Priced at
its later-stage round
Jan 2026
Total raised
$66.5M
Last round
Early Stage VC
Mar 2022
How much has Nucleus Security raised?
$66.5Macross 2 recorded rounds · Feb 2021 – Mar 2022

Most recently, Nucleus Security raised $20.3M in its Early Stage VC (Mar 2022).

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Nucleus Security round by round

2 rounds
Mar 2022Early Stage VC$20.3MSEC filing▮
3 investors participated
Feb 2021Seed Round$3.5MSEC filing▮
4 investors participated

How much has Nucleus Security raised?

Nucleus Security has raised $66.5 million in total; 2 of its rounds are on record. The largest on record was a $3.5 million seed round in Feb 2021; the most recent was a $20.3 million early-stage round in Mar 2022.

Nucleus Security has filed 2 Form Ds with the SEC since 2021, most recently in Mar 2022 ($20.3 million sold to 3 investors).

Nucleus Security investors

8 investors are on record for Nucleus Security, including Lead Edge Capital, In-Q-Tel, Arthur Ventures and Other People's Capital. By type, the record holds 3 venture capital firms and 2 growth equity firms. The early-stage round in Mar 2022 drew 3 investors.

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8 investors have backed Nucleus Security.

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Frequently asked about Nucleus Security

How much has Nucleus Security raised?
Nucleus Security has raised $66.5M in total across 2 recorded funding rounds.
When was Nucleus Security's last funding round?
Nucleus Security's most recent recorded round was Early Stage VC in Mar 2022, raising $20.3M.