Island Announces $400 Million Series F, Bringing Valuation to $6.4 Billion
Summary
Island raised $400 million in Series F funding and reached a $6.4 billion valuation. The company builds an agentic control plane that helps enterprises govern people and AI agents across browsers, endpoints, networks, applications, and data. Island says it will use the capital to expand innovation and support customers as they scale AI adoption and modernize security. The company also highlighted rapid growth, including doubling ARR every fiscal year since launch and earning recent industry recognition.
Funding
Amount
$400.0M
Total raised
Date
September 24, 2026
Announcement date
Investors
Evolution Equity Partners, Insight Partners, CyberStarts, Alta Park Capital, Sequoia Capital, Georgian Partners
Lead investors
Company
island.io
Funded company
AskAI Classifications
Sectors
No sectors detected
Functions
Security
Governance, risk and compliance
General Security Software
Linked Companies
Island
$10M to $25M