Island has reached a valuation of $6.4 billion after raising $400 million in a Series F round. Founded by Dan Amiga and Micheal Fey in 2020, the company will allocate the funds to product development, growth and AI agent security. Investors:
- Evolution Equity Partners
- Prysm Capital
- Sequoia Capital
- Coatue Management
- Cyberstarts
- Insight Partners
- J.P. Morgan Growth Equity Partners
- Alta Park Capital
- Georgian
- G Squared
- Squarepoint
Island’s Chromium-based browser provides secure access to cloud applications while blocking threats and risky links. The platform offers SaaS security policies, automation, suspicious data transfer detection, tracking access by AI agents, malicious prompt protection and AI cost analysis.
Why it matters
This development shows why the browser layer has become critical in enterprise security: access to cloud applications, data transfers and the use of AI agents are addressed within the same control area. For this reason, the news concerns not only a startup’s financing, but also the approach to managing SaaS security and AI use together. The tools offered by Island aim to enable security teams to assess different needs—such as blocking connections, tracking access, prompt control and cost analysis—on a single platform. The open question is how these comprehensive security policies will align with organizations’ existing systems and how effective they will be across different risk areas.
Background
Island is not a new name in the FikirPilot archive: we published a news article mentioning the name in the last 90 days; that article was dated September 1, 2026.
Term: agent
An AI agent is software that calls tools and carries out multi-step tasks to achieve a goal instead of producing a single response.