Armadin Series B (2026)
Armadin raised $255.5 million in a Series B round, announced on 2026-10-01. The round was co-led by Andreessen Horowitz and Accel.
- Company
- Armadin
- Round type
- Series B
- Date
- 2026-10-01
- Amount
- $255.5M
- Industry
- cybersecurity, AI-powered offensive security
- Location
- Palo Alto, CA
Summary
Armadin announced $255.5 million in Series B funding on 2026-10-01, co-led by Andreessen Horowitz and Accel, at a valuation of over $2.5 billion. New investors Bain Capital Ventures and Redpoint joined, and existing investors 8VC, Ballistic Ventures, Google Ventures, In-Q-Tel, Kleiner Perkins and Menlo Ventures returned.
Investors
Lead
- Andreessen Horowitz lead
- Accel lead
Participating
- Bain Capital Ventures participant
- Redpoint participant
- 8VC participant
- Ballistic Ventures participant
- Google Ventures participant
- In-Q-Tel participant
- Kleiner Perkins participant
- Menlo Ventures participant
Sources
Last verified:
- https://www.prnewswire.com/news-releases/armadin-raises-255-5-million-series-b-to-scale-effective-autonomous-security-302895278.html
Type: funding announcement. Accessed 2026-10-06.
PR Newswire release datelined Palo Alto, Calif., October 1, 2026. Source of the amount, the co-leads, all participants, the valuation of over $2.5 billion and total funding of $445 million. The Palo Alto location comes from this dateline. - https://techcrunch.com/2026/10/01/kevin-mandias-new-agent-swarm-security-startup-armadin-raises-255-5m-at-2-5b-valuation/
Type: reputable publication. Accessed 2026-10-06.
TechCrunch article dated 2026-10-01. Confirms the $255.5 million raise at a valuation of more than $2.5 billion and that Kevin Mandia leads the company. - https://a16z.com/announcement/investing-in-armadin/
Type: official investor website. Accessed 2026-10-06.
Andreessen Horowitz announcement dated 2026-10-01 describing its investment and the Armadin platform.