LATEST ROUND
Series F
$400M · 2026-09-24
RAISED ON RECORD · USD
$1.1B
across 6 verified rounds
INVESTORS
14
6 leads
61 sources · checked 1 time, last 34d ago
Source 1 is a product-launch release and does not announce a financing; Sources 2–4 report the Series F financing.
4 sources
The source also says total funding is $730 million, but that is cumulative funding to date rather than this round's financing total.
Published by hand (techcrunch.com): "Dallas-based Island raised $250 million in a Series E round led by Coatue that valued the company at $4.85 billion, the startup announced today.": checked by hand: the page states the Series E of $250 Million, as the research found
4 sources
The release says additional existing investors participated but does not name them. The $487 million figure is total outside investment to date, not this round’s financing total.
Publication audit: dropped 1 page(s) about another round
Published by hand (reuters.com): "The company raised $175 million in a Series D round led by new investor Coatue and existing investor Sequoia Capital": brand backfill: Reuters (cited) states the Series D amount and leads
1 source
Cisco Investments appears only in the company’s general backers list, not as a participant in this round. The source’s “over $325 million” figure is total outside investment to date, not this round’s financing total.
Published by hand (island.io): "Island Raises $100 Million in Series C Funding": checked by hand: the page states the Series C of $100 million, as the research found
3 sources
The source identifies Georgian as providing fresh funding but does not call it a lead. Sequoia and Insight Partners are mentioned only in connection with earlier financing.
Publication audit: leads should be Georgian (https://www.island.io/press/island-extends-its-series-b-with-an-additional-60m-investment)
Published by hand (island.io): "Island Extends its Series B with an Additional $60M Investment": checked by hand: the page states the Series B extension of $60 million, as the research found
Investors read as leads [Georgian], participants [] (island.io): Island: the $60M Series B extension was an investment from Georgian
1 source
Valuation none read as $1.3 billion (island.io)
The release says Island’s total funds raised exceeded $200 million, but that is a cumulative total rather than this round’s financing total.
Published by hand (island.io): "Island Raises $115 Million in Series B Funding": checked by hand: the page states the Series B of $115 million, as the research found
| Round | Amount | Announced | Lead | Buzz |
|---|---|---|---|---|
| Series F | $400M ~$1.0B to date at $6.4 billion post-money valuation | 2026-09-24 | Evolution Equity | No recent discussion |
61 sources · checked 1 time, last 34d ago [ VERIFIED · CORRECTED ] read against 4 of 61 sources
Source 1 is a product-launch release and does not announce a financing; Sources 2–4 report the Series F financing. | ||||
Island builds an enterprise control plane—combining a secure browser, network, data protection and AI governance—to help organizations govern how employees and AI agents access applications and data.
Checked against 10 sources on Sep 24
| Series E [ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $250M at $4.85 billion valuation | 2025-03-26 | Coatue | No recent discussion |
4 sources [ VERIFIED ] read against 1 of 4 sources
The source also says total funding is $730 million, but that is cumulative funding to date rather than this round's financing total. Published by hand (techcrunch.com): "Dallas-based Island raised $250 million in a Series E round led by Coatue that valued the company at $4.85 billion, the startup announced today.": checked by hand: the page states the Series E of $250 Million, as the research found [ BUILT WITH ]·[ SEARCH ]found by Firecrawl search·[ SCRAPE ]4 pages read: island.io, businesswire.com, techcrunch.com·[ JSON ]round read into a schema, with the sentence that states it·[ VERIFY ]confirmedchecked against 1 of 4 sources·[ BRANDING ]logo and colour from the homepage·[ AGENT ]company research by the Firecrawl agent | ||||
| Series D [ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $175M $487M to date at $3 billion valuation | 2024-04-30 | Coatue, Sequoia Capital | No recent discussion |
4 sources [ VERIFIED ] read against 1 of 4 sources
The release says additional existing investors participated but does not name them. The $487 million figure is total outside investment to date, not this round’s financing total. Publication audit: dropped 1 page(s) about another round Published by hand (reuters.com): "The company raised $175 million in a Series D round led by new investor Coatue and existing investor Sequoia Capital": brand backfill: Reuters (cited) states the Series D amount and leads [ BUILT WITH ]·[ SEARCH ]found by Firecrawl search·[ SCRAPE ]4 pages read: island.io, techcrunch.com, reuters.com·[ JSON ]round read into a schema, with the sentence that states it·[ VERIFY ]confirmedchecked against 1 of 4 sources·[ BRANDING ]logo and colour from the homepage·[ AGENT ]company research by the Firecrawl agent | ||||
| Series C [ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $100M $325M to date at $1.5 billion valuation | 2023-10-23 | Prysm Capital | No recent discussion |
1 source [ VERIFIED · CORRECTED ] read against 1 source Cisco Investments appears only in the company’s general backers list, not as a participant in this round. The source’s “over $325 million” figure is total outside investment to date, not this round’s financing total. Published by hand (island.io): "Island Raises $100 Million in Series C Funding": checked by hand: the page states the Series C of $100 million, as the research found [ BUILT WITH ]·[ SEARCH ]found by Firecrawl search·[ SCRAPE ]1 page read: island.io·[ JSON ]round read into a schema, with the sentence that states it·[ VERIFY ]correctedchecked against 1 source·[ BRANDING ]logo and colour from the homepage·[ AGENT ]company research by the Firecrawl agent | ||||
| Series B ext. Series B extension [ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $60M at $1.3 billion valuation | 2022-11-10 | Georgian | No recent discussion |
3 sources [ VERIFIED · CORRECTED ] read against 1 of 3 sources
The source identifies Georgian as providing fresh funding but does not call it a lead. Sequoia and Insight Partners are mentioned only in connection with earlier financing. Publication audit: leads should be Georgian (https://www.island.io/press/island-extends-its-series-b-with-an-additional-60m-investment) Published by hand (island.io): "Island Extends its Series B with an Additional $60M Investment": checked by hand: the page states the Series B extension of $60 million, as the research found Investors read as leads [Georgian], participants [] (island.io): Island: the $60M Series B extension was an investment from Georgian [ BUILT WITH ]·[ SEARCH ]found by Firecrawl search·[ SCRAPE ]3 pages read: island.io, businessinsider.com, venturecapitaljournal.com·[ JSON ]round read into a schema, with the sentence that states it·[ VERIFY ]correctedchecked against 1 of 3 sources·[ BRANDING ]logo and colour from the homepage·[ AGENT ]company research by the Firecrawl agent | ||||
| Series B [ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $115M $200M to date at $1.3 billion valuation | 2022-03-23 | Insight Partners | No recent discussion |
1 source [ VERIFIED · CORRECTED ] read against 1 source
Valuation none read as $1.3 billion (island.io) The release says Island’s total funds raised exceeded $200 million, but that is a cumulative total rather than this round’s financing total. Published by hand (island.io): "Island Raises $115 Million in Series B Funding": checked by hand: the page states the Series B of $115 million, as the research found [ BUILT WITH ]·[ SEARCH ]found by Firecrawl search·[ SCRAPE ]1 page read: island.io·[ JSON ]round read into a schema, with the sentence that states it·[ VERIFY ]correctedchecked against 1 source·[ BRANDING ]logo and colour from the homepage·[ AGENT ]company research by the Firecrawl agent | ||||
| EARLIER ROUNDS FROM COMPANY RESEARCH · DEVELOPING | ||||
| Series A | $100 million | 2022-02 | Sequoia Capital, Stripes | |