Jarsy(@JarsyInc):⚡️Funding Brief⚡️ Enterprise cybersecurity company Island has raised $400M in Series F funding at a $6.4B valuation, more than doubling since 2024. Evolution Equity Partners led the round, with existing investors including Sequoia, Coatue and J.P. Morgan participating. Island started with an enterprise browser that lets companies control employees' web activity and data access, and is now expanding into security controls for AI agents. Since its 2022 launch, Island has doubled ARR every fiscal year and now employs about 1,000 people. Source: Island, 2026-09-24 Photo: Island co-founders Dan Amiga and Mike Fey

2026.10.06 03:00

⚡️Funding Brief⚡️ Enterprise cybersecurity company Island has raised $400M in Series F funding at a $6.4B valuation, more than doubling since 2024. Evolution Equity Partners led the round, with existing investors including Sequoia, Coatue and J.P. Morgan participating. Island started with an enterprise browser that lets companies control employees' web activity and data access, and is now expanding into security controls for AI agents. Since its 2022 launch, Island has doubled ARR every fiscal year and now employs about 1,000 people. Source: Island, 2026-09-24 Photo: Island co-founders Dan Amiga and Mike Fey | Credit: Antonio Delucci

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