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Horizon3.ai

Network Management Software · Dover, DE · Founded 2019 · Privately Held (backing)

Developer of a security automation platform designed to perform autonomous penetration testing and operational security assessments. Horizon3.ai is based in Dover, DE and was founded in 2019. It was valued at $660 million at its later-stage round in May 2025, the last priced event on record. It has raised $184 million across 1 recorded round; the latest was a $100 million Series D in May 2025.

PMV mark · valuation
$660.0M
Oct 2026
Priced at
its later-stage round
May 2025
Total raised
$183.5M
Last round
Later Stage VC (Series D)
May 2025

Horizon3.ai key facts

as of Oct 2026
  • Developer of a security automation platform designed to perform autonomous penetration testing and operational security assessments.
  • Horizon3.ai is valued at approximately $660.0M as of Oct 2026, set at its later-stage round, May 2025; nothing has traded since, per PrivateMarketView’s mark.
  • It has raised $183.5M across 1 recorded rounds; the latest was Later Stage VC (Series D) ($100.0M) in May 2025.
  • Notable investors include Qualcomm Ventures, New Enterprise Associates, 9Yards Capital, Craft Ventures, SignalFire — 13 tracked in total.
  • Status: Privately Held (backing).
PrivateMarketView mark
LOW confidence
$660.0M

Valued at $660.0M at its later-stage round, May 2025. Nothing has traded since.

set by its last priced roundas of Oct 2026question about this number?
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Horizon3.ai funding rounds

1 rounds
May 2025Later Stage VC (Series D)$100.0M▮
Full funding history →

Horizon3.ai valuation

Horizon3.ai was valued at $660 million at its later-stage round in May 2025. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.

How much has Horizon3.ai raised?

Horizon3.ai has raised $184 million in total; 1 of its rounds is on record. The largest on record was a $100 million Series D in May 2025.

Horizon3.ai investors

13 investors are on record for Horizon3.ai, including Qualcomm Ventures, New Enterprise Associates, 9Yards Capital and Craft Ventures. By type, the record holds 8 venture capital firms and 2 growth equity firms. The Series D in May 2025 drew 7 investors.

Comparable companies

Comparable network management software names by valuation on PrivateMarketView: Druva ($773 million), Endor Labs ($635 million) and Virtru ($500 million).

About Horizon3.ai

Developer of a security automation platform designed to perform autonomous penetration testing and operational security assessments. The company's platform offers production-safe testing across internal, external, cloud, and hybrid environments, enabling clients to find exploitable weaknesses, prioritize fixes based on impact, and verify remediation without requiring agents, custom code, or external consultants.

Industry
Network Management Software
Sector
Information Technology
HQ
Dover, DE, United States
Founded
2019
Employees
387
Ownership
Privately Held (backing)

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