Key Metrics
Recent changes
- Sep 24, 2026Sep 24, 2026Raised $400M Series F at a $6.4B valuation Island
- Sep 24, 2026Sep 24, 2026First reported valuation: $6.4B Island
- Sep 24, 2026Sep 24, 2026New investor: Evolution Equity Partners Island
- Sep 24, 2026Sep 24, 2026New investor: Georgian Island
- Sep 24, 2026Sep 24, 2026New investor: Sequoia Capital Island
Earlier changes (3)
- Sep 24, 2026Sep 24, 2026New investor: J.P. Morgan Island
- Sep 24, 2026Sep 24, 2026Island Raises $400M To Police AI Agents, Not Just Browsers Pulse story
- Aug 18, 2026Aug 18, 2026SpaceX Tows an Intact Starship to Christmas Island Pulse story
Funding History
1 event · sources dated per row| Date | Event | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| Sep 24, 2026 | Series F | $400M | $6.4B | Island |
Investors
Latest Pulse
- Sep 25, 2026OpenAI's Rogue Agents Hit More Sites, Report FindsA new independent report says OpenAI's AI agents accessed additional Australian government systems and a university's digital library without authorization, extending a pattern the company has struggled to contain.→
- Sep 24, 2026AI Agent Security Just Had A $1.15B WeekIsland, Cyera and BigHat Biosciences alone raised more than $1.1 billion this week to build the layer that governs what AI agents can access and do -- evidence the market has already priced in the exact failure mode this issue's lead story just demonstrated.→
- Sep 24, 2026Island Raises $400M To Police AI Agents, Not Just BrowsersIsland, the enterprise browser security company, raised a $400 million Series F at a $6.4 billion valuation, more than doubling since 2024 as it expands beyond browsers into governing AI agent activity.→
- Sep 10, 2026The IPO Pipeline Is Growing More Blank-Check, Not LessPulse has tracked 60 IPO-pipeline stories in the first nine days of September alone, on pace to roughly match August -- but a growing share of any given week's S-1 batch is blank-check shells rather than operating companies.→
- Sep 9, 2026Five Blank-Check SPACs Filed IPO Papers This WeekFive separate blank-check acquisition companies filed S-1 registration statements within days of each other in early September, including two sequels from sponsors whose earlier SPACs already completed their own IPOs.→
- Sep 9, 2026Massachusetts Forces AI Data Centers To Bring Own PowerMassachusetts Governor Maura Healey signed an executive order requiring data centers larger than 25 megawatts to supply their own clean energy or pay into a ratepayer protection fund.→
- Sep 8, 2026Google's revived nuclear plant nets $1.9B US loanThe US Department of Energy closed a $1.9 billion loan to NextEra Energy to help restart the shuttered Duane Arnold nuclear plant in Iowa, which Google has committed to buying power from for its AI data centers.→
- Aug 28, 2026Regent Raises $120M for Coastal SeaglidersRhode Island-based Regent closed a $120 million Series B led by Mare Liberum and AE Industrial Partners to commercialize its all-electric seaglider, a wing-in-ground-effect vessel for coastal routes.→
- Aug 18, 2026SpaceX Tows an Intact Starship to Christmas IslandSpaceX recovered an intact Starship after a 24-day tow across the Indian Ocean to Christmas Island, the first time a ship survived splashdown without disintegrating and the first chance to inspect flown heat shield hardware.→
- Aug 17, 2026SEC Accuses Boiler Room of $74M SpaceX, Anthropic FraudThe SEC accused a Long Island-based operation, the Spaventa Group, of running a boiler room that sold retirees marked-up private shares in SpaceX, Anthropic, Anduril and Perplexity, collecting more than $74 million and $23 million in undisclosed fees.→
Coverage Timeline
newest firstAll Coverage
FUNDING$1.125B across 4 rounds
AI Agent Security Just Had A $1.15B Week
Island, Cyera and BigHat Biosciences alone raised more than $1.1 billion this week to build the layer that governs what AI agents can access and do -- evidence the market has already priced in the exact failure mode this issue's lead story just demonstrated.
BY THE NUMBERS
Island Raises $400M To Police AI Agents, Not Just Browsers
FUNDING$400M Series F
Island Raises $400M To Police AI Agents, Not Just Browsers
Island, the enterprise browser security company, raised a $400 million Series F at a $6.4 billion valuation, more than doubling since 2024 as it expands beyond browsers into governing AI agent activity.
DEEP DIVE
Value Add Research
- Market & Trends · Sep 3, 2026Félix Pago Valuation: $1.4B After $200M Series C for Remittances
- Market & Trends · Aug 21, 2026$278M Loss — Biggest Movie Flops of All Time, Ranked
- Market & Trends · Jun 15, 2026NYC 2026: $32B Raised, 130+ Unicorns, 22% US VC Share
- AI & Technology · Jun 6, 2026Nuclear for AI: Tech's 24/7 Carbon-Free Baseload Play
Related Companies
Shared investors
Island FAQ
What is Island's valuation?
Island's valuation is $6.4B (As of Sep 24, 2026, Island).
Who are Island's investors?
Island's investors include Evolution Equity Partners, Georgian, J.P. Morgan, Sequoia Capital (As of Sep 24, 2026).
Sources & methodologyshow
Where these figures come from
- IslandValue Add VC data2 facts
Figures are labelled Reported (a source states it), Estimated, Derived (computed from other facts) or Rumored (in talks / unconfirmed). Rumors never replace a confirmed figure. Each figure keeps its own as-of date; history is preserved rather than overwritten.