Horizon3.ai Funding: $180M Raised, Seed

Horizon3.ai is a Cybersecurity company based in San Francisco, CA. It has raised $180M in total funding. Latest round: Seed.

Horizon3.ai funding overview

Horizon3.ai is a Cybersecurity company based in San Francisco, CA. Horizon3.ai has raised $180M in total disclosed funding. That places its disclosed total in the $100M–$250M range. Its most recent disclosed round is a Seed. Investors on record include NEA, SignalFire, Craft Ventures, 9Yards Capital. 4 distinct backers are named across the disclosed rounds.

Horizon3.ai at a glance

Total raised
$180M
Latest round
Seed
Industry
Cybersecurity
Headquarters
San Francisco, CA
Notable investors
NEA, SignalFire, Craft Ventures, 9Yards Capital

Frequently asked about Horizon3.ai funding

How much has Horizon3.ai raised?
Horizon3.ai has raised $180M in total disclosed funding across the rounds on record.
Who has invested in Horizon3.ai?
NEA, SignalFire, Craft Ventures, 9Yards Capital are named among the investors backing Horizon3.ai.
What was the latest Horizon3.ai funding round?
The most recent disclosed round is a Seed.
Where is Horizon3.ai based?
Horizon3.ai is based in San Francisco, CA.
What sector does Horizon3.ai operate in?
Horizon3.ai is tracked under Cybersecurity from San Francisco, CA, with $180M in disclosed funding.

Horizon3.ai totals reflect disclosed capital only — undisclosed extensions and secondaries are excluded. Use the related Cybersecurity companies in San Francisco below to benchmark round size and investor mix.

Horizon3.ai founders (1)

Companies related to Horizon3.ai (40)

Browse related funding lists (6)

Company funding database · Investor directory · Founder database · Mega-rounds 2026

Resources
Join free
Sign Out Dashboard

The Startup Fundraising Platform

Raise funds for your startup

Find the right investors and get real replies — instantly, powered by AI.

  • AI-scored pitch deck
  • Matched investor list
  • Personalized outreach drafts
Join for free

Takes 30 seconds · No credit card · Cancel anytime

See it in action ↓
  • Library
  • Articles
  • Pitch Decks
  • Videos
  • Shorts
  • Profiles
  • Visuals
  • Questions
  • Ask
  • All
  • Seed & Pre-Seed
  • Series A & B
  • Fintech
  • SaaS & Dev Tools
  • Consumer & Social
  • Marketplace & Frontier
  • Mistakes to Avoid
  • Checklist
  • How to Send
  • Design
  • Length
  • Order
  • Storytelling
  • Investor Q&A
  • One-Pager
  • Email Templates
  • Data Room
  • Investor Update
  • Term Sheet
  • SAFE vs Priced
  • Due Diligence
  • Timeline
  • Metrics
  • Valuation
  • Cap Table
  • Pipeline
  • Board
  • Objections
  • References
  • Closing
  • Bridge Round
  • Down Round
  • Secondary Sale
  • Investor Rejection
  • First Meeting
  • Second Meeting
  • Partner Meeting
  • Post-Mortem
  • Update Cadence
  • Angel Round
  • Option Pool Shuffle
  • Fundraise Pause
  • Vetting VCs
  • First 90 Days
  • First Board Meeting
  • Reference Calls
  • NDA Template
  • Bylaws Template
LibraryPitch Deck Examples

Slide-by-slide guide

 

  • Library
  • Articles
  • Pitch Decks
  • Videos
  • Shorts
  • Profiles
  • Visuals
  • Questions
  • Ask
LibraryArticles

•By Alejandro Cremades