Fenwick Represents Horizon3 in $250M Series E Funding

Fenwick represented Horizon3, an AI-native proactive security company, in its $250 million Series E funding at a valuation of over $2 billion. The round was co-led by NightDragon and NEA, with participation from new investors Acrew Capital, Blue Cloud, Demeter Group, EDBI (Singapore), PSG, SAIC, and Sapphire Ventures and existing investors Craft Ventures, Prosperity7 Ventures, Qualcomm Ventures, Ridge Ventures, and SignalFire. 

Horizon3 will use the funds to scale go-to-market operations, for strategic entry into Singapore and Australia, and to accelerate the product roadmap to build a continuous learning loop between AI attackers and AI defenders. More information can be obtained from the company’s website.  

Fenwick has represented Horizon3 since 2019 and across its series A-E financing rounds led by Michael Brown and Taimur Case. 

The Fenwick transaction team was led by corporate partners Michael Brown and Taimur Case and included associates Olga Terets and Jazmin Perez.