{"version":"1.0","type":"card","id":"7d6e4df7-dea8-44db-979b-080397170b19","url":"https://stacklist.com/card/7d6e4df7-dea8-44db-979b-080397170b19","title":"Island — $400M Series F at $6.4B","source_url":"https://www.island.io/press/island-announces-400-million-series-f-bringing-valuation-to-6-4-billion","note":"One of two $400M security rounds in one week. Island stepped up; Cyera held its price — an extension at the last price is information too.","image":{"url":"https://ucarecdn.com/58813974-8c6d-4d11-b190-1b8e25df9a17/","alt":"Island — $400M Series F at $6.4B","width":1200,"height":800},"stack":{"id":"cd56e1a1-45bb-4978-945b-4a9e71b13b5f","title":"Signals Served #030 — The Marks Are Still Waiting for Cash","url":"https://stacklist.com/c/finance/stack/cd56e1a1-45bb-4978-945b-4a9e71b13b5f"},"created_at":"2026-09-28T18:45:04.405Z","updated_at":null,"aco":{"summary":"Island announced a $400 million Series F funding round, bringing its valuation to $6.4 billion, as the company positions itself as the control plane for enterprises managing both human workers and AI agents. The funding will support Island's expansion across browsers, endpoints, networks, and data protection as enterprises scale AI adoption and modernize work architecture.","tags":["series-f-funding","ai-agents","enterprise-security","control-plane","zero-trust","valuation-6.4b","workplace-technology"],"key_entities":[{"name":"Island","type":"organization","confidence":0.99},{"name":"Evolution Equity Partners","type":"organization","confidence":0.95},{"name":"Mike Fey","type":"person","confidence":0.92},{"name":"Richard Seewald","type":"person","confidence":0.92},{"name":"Gili Raanan","type":"person","confidence":0.92},{"name":"Dmitri Alperovitch","type":"person","confidence":0.9},{"name":"Sequoia Capital","type":"organization","confidence":0.95},{"name":"Coatue Management","type":"organization","confidence":0.95},{"name":"Cyberstarts","type":"organization","confidence":0.95},{"name":"Frost & Sullivan","type":"organization","confidence":0.9},{"name":"Gartner","type":"organization","confidence":0.9},{"name":"CNBC","type":"organization","confidence":0.9},{"name":"Dallas","type":"location","confidence":0.95},{"name":"Series F Funding Round","type":"event","confidence":0.98},{"name":"Enterprise Browser","type":"technology","confidence":0.93},{"name":"Zero Trust Security","type":"concept","confidence":0.88}],"classification":"memo","language":"en","confidence":0.85,"provenance":{"model":"claude-haiku-4-5","tool":"@stacklist/mcp-server@2.0.0","confidence":0.85,"timestamp":"2026-09-28T18:45:13.130Z"},"token_counts":{"approximate":2032,"cl100k":1567},"content_hash":"sha256:4e2cafedbba6ed639e6702d3cdc1ba1c26b9898b85cdcaa26d1278b089b476e8","acp_version":"0.2","body_available":true,"body_tokens":2032,"visibility":"public","agent_accessible":true,"status":"final"},"_links":{"self":"/api/public/card/7d6e4df7-dea8-44db-979b-080397170b19.json","html":"https://stacklist.com/card/7d6e4df7-dea8-44db-979b-080397170b19","md":"/api/public/card/7d6e4df7-dea8-44db-979b-080397170b19.md","stack_json":"/api/public/stack/cd56e1a1-45bb-4978-945b-4a9e71b13b5f.json"}}