AI made execution free. Knowing first is the whole game now.
The advantage goes to whoever is first into the right conversations, most often. Fundz stacks those odds: more of the moments that create demand than anyone else catches, as they happen, matched to who you sell to, with the decision maker to call. Now it answers in Claude too: ask for today’s leads and who to reach, then write the note in the same window. Not a feed. Not a list you rent. A system for being first.
Trusted by
OracleSnowflakeCloudflareLinkedInGoogleSalesforce
★★★★★4.8/5 on G2· Since 2015
Horizon3 raises $250M in Series E funding, achieving a valuation exceeding $2B. The round was co-led by NightDragon and NEA, addressing the need for enhanced cybersecurity solutions.
PRIVATEAug 03, 2026
Amount Raised
$250 Million
Round Type
Series E
San FranciscoInformation TechnologySecurityNetwork Security
Investors
NeaNight Dragon
Description
Horizon3, the AI-Native Proactive Security Company behind NodeZero®, announced a $250 million Series E funding at a valuation surpassing $2 billion. This new capital tripled its valuation from $650 million in the Series D round within just over a year. The successful round was co-led by existing investors NightDragon and NEA, supplemented by seven new investors and five returning backers. This investment highlights the growing demand for advanced cybersecurity solutions in a rapidly evolving landscape.
Company Information
Company
Horizon 3 AI
Location
447 Battery Street
San Francisco, California, United States
About
Horizon3.ai's mission is to help you find and fix attack vectors before attackers can exploit them. NodeZero, our autonomous penetration testing solution, is a true self-service SaaS offering that is safe to run in production and requires no persistent or credentialed agents. You will see your enterprise through the eyes of the attacker, identify your ineffective security controls, and ensure your limited resources are spent fixing problems that can actually be exploited. Founded in 2019 by industry, US Special Operations, and US National Security veterans, Horizon3.ai is headquartered in San Francisco, CA, and made in the USA.
Fundz sees it the moment Horizon 3 AI raises, hires an exec or expands, usually minutes after it happens, and tells you who to reach.
San FranciscoInformation TechnologySecurityNetwork Security