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

Who backs Horizon3.ai?

13 investors
InvestorType
Qualcomm VenturesVenture capital
New Enterprise AssociatesVenture capital
9Yards CapitalGrowth equity
Craft VenturesVenture capital
SignalFireVenture capital
Firebolt VenturesVenture capital
Prosperity7 VenturesVenture capital
Bridgespan VC—
NewView CapitalVenture capital
Ridge VenturesVenture capital
+ 3 more investors · a free account shows the complete list
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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.

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