US · ai · cybersecurity · security
Who invested in Horizon3
One round we have observed, with the investors the report named. Every figure below came from a named source, and where the company reported the raise to the SEC itself, that is shown beside it.
1
rounds observed
10
investors named
$250M
reported across those rounds
Aug 2026
most recent
The rounds
Series E · Aug 2026 · $250M
NEA, Craft Ventures, SignalFire, Acrew Capital, Qualcomm Ventures, Prosperity7 Ventures, NightDragon, Ridge Ventures, Blue Cloud Ventures, Demeter Group
Reported by TechCrunch and 2 others
Everyone who backed them
InvestorTypeRounds
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