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
Cap table — not yet on record
Nucleus Security's share-class structure hasn't surfaced in our sources yet. Cap tables are assembled from certificates of incorporation, round filings, and disclosures as they land.
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Where does Nucleus Security's cap table come from?
Share classes are assembled from certificates of incorporation, priced-round filings, and disclosures across Nucleus Security's 2 recorded funding rounds.
