NightDragon
Cybersecurity-focused venture and growth firm.
Investing activity
NightDragon appears in 1 AI deal tracked by the AI Lounge deals desk, rounds totalling $250M, and led 1 of them. The rounds are mostly Series E, with a median round size of $250M. The most recent is Horizon3 (Series E, $250M, Aug 2026).
NightDragon most often invests alongside NEA, and the companies it backs on AI Lounge are mostly in Autonomous security testing.
Deals
Frequently asked questions about NightDragon
What AI companies has NightDragon invested in?
NightDragon's AI investments include Horizon3. The 1 round on AI Lounge are listed on this page with amounts, dates and co-investors.
Where is NightDragon based?
NightDragon is based in San Francisco, US.
What stage does NightDragon invest at?
In the rounds tracked on AI Lounge, NightDragon has invested at Series E, with a median round of $250M. NightDragon led 1 of those rounds.
Who does NightDragon co-invest with?
NightDragon's most frequent co-investors on AI Lounge are NEA (1 deal).
How can founders reach NightDragon?
Founders on AI Lounge can see NightDragon's contact details in AI Investor Contacts (paid plans), check for a warm introduction through members who worked with the firm under Warm Paths, and add NightDragon to their Investor Pipeline to track the conversation.