Startup

Horizon3 Hits $2 Billion Valuation With $250M Series E

Horizon3 Hits $2 Billion Valuation With $250M Series E

Horizon3 has closed a $250 million Series E funding round at a $2 billion valuation, more than tripling its worth in just 14 months. The AI cybersecurity startup drew backing from returning investors NightDragon and NEA. This Series E funding lands at
August 4, 2026
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