Realm Security

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
—

Realm Security key facts

as of Oct 2026
  • Developer of a security fabric platform intended to control the explosion of cybersecurity data inundating security teams.
  • Realm Security is valued at approximately $86.0M as of Oct 2026 (last reported valuation).
  • It has raised $22.0M; the latest was Early Stage VC ($17.0M) in Dec 2025.
  • Notable investors include Jump Capital, Accomplice VC, Glasswing Ventures, Presidio Ventures.
  • Status: Privately Held (backing).
Last reported valuation
LOW confidence
$86.0M

Realm Security's last reported valuation, Dec 2025. Nothing priced has surfaced since.

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Realm Security funding rounds

No rounds on record

No funding rounds for Realm Security are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.

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Realm Security valuation

Realm Security's last reported valuation was $86 million in Dec 2025. No priced round, secondary trade or fund mark has surfaced since.

Realm Security investors

4 investors are on record for Realm Security, including Jump Capital, Accomplice VC, Glasswing Ventures and Presidio Ventures.

About Realm Security

Developer of a security fabric platform intended to control the explosion of cybersecurity data inundating security teams. The company's platform aims to address the explosion of security data and inherent challenges faced by cybersecurity teams globally transforming sprawling security data into a unified, intelligent entity, enabling security teams to manage costs and escape vendor lock effectively.

Sector
Information Technology
HQ
Wellesley, MA, United States
Founded
2024
Employees
36
Ownership
Privately Held (backing)

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