Wellesley, MA · Founded 2024 · Privately Held (backing)
Developer of a security fabric platform intended to control the explosion of cybersecurity data inundating security teams. Realm Security is based in Wellesley, MA and was founded in 2024. Its last reported valuation was $86 million in Dec 2025. It has raised $22 million.
Last reported valuation
$86.0M
Oct 2026
Priced at
—
Total raised
$22.0M
Last round
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Cap table — not yet on record
Realm 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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