Island raises $400 million in Series F with Prysm Capital participating, values firm at $6.4 billion

By Public Technologies
  • Island raised a USD 400 million Series F round, valuing the enterprise agentic control plane provider at USD 6.4 billion.
  • Evolution Equity Partners led the financing; Prysm Capital participated among existing investors.
  • Proceeds target growth as enterprises scale AI agents, with added investment in visibility, control, auditing across browsers, endpoints, networks, data.
  • Island said it employs 1,000 people, with annual recurring revenue doubling each fiscal year since its 2022 launch.


Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Prysm Capital LP published the original content used to generate this news brief on September 28, 2026, and is solely responsible for the information contained therein.

Capital.com is an execution-only brokerage platform and the content provided on the Capital.com website is intended for informational purposes only and should not be regarded as an offer to sell or a solicitation of an offer to buy the products or securities to which it applies. No representation or warranty is given as to the accuracy or completeness of the information provided.

The information provided does not constitute investment advice nor take into account the individual financial circumstances or objectives of any investor. Any information that may be provided relating to past performance is not a reliable indicator of future results or performance.

To the extent permitted by law, in no event shall Capital.com (or any affiliate or employee) have any liability for any loss arising from the use of the information provided. Any person acting on the information does so entirely at their own risk.

Any information which could be construed as “investment research” has not been prepared in accordance with legal requirements designed to promote the independence of investment research and as such is considered to be a marketing communication.