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Island

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Build a secure web browser for the enterprise Cybersecurity Enterprise Software

About Island

Island builds in the cybersecurity category and is tracked by 100Xfounder for operating momentum, talent growth, and market execution.

What they do: Build a secure web browser for the enterprise Cybersecurity Enterprise Software

Funding context: Sequoia, $250M Series E in 2025, $4.8B valuation

Recent milestones:

Island appears in the 100Xfounder startup directory import feed.

Why it Matters

Island matters because build a secure web browser for the enterprise Cybersecurity Enterprise Software

Funding Snapshot

Total Funding: $250.00MLast Round: Series E Sequoia, $250M Series E in 2025, $4.8B valuationAll Rounds: 1

Series E | Sequoia, $250M Series E in 2025, $4.8B valuation

Hiring Roles

This company is actively hiring.

Open Roles

Meet the Founders

Island Team

Island Team

Founder & CEO

Tech Stack

AWSReactPythonPostgreSQL

Last updated: April 17, 2026

Island intelligence brief

This profile combines core company context with linked founder, funding, and newsroom routes so readers can evaluate business momentum without switching across multiple tools. Use it as a baseline for comparing peers in the same industry and stage.

For deeper validation, pair this page with founder profile, company news coverage, and stage-based funding hubs to contextualize updates against wider market movement.

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Discover Now

Newsroom and topic pages connected to Island.

Company News Hub Topic Hubs Funding News

No company-specific newsroom stories available yet.

Contextual Research Links

Jump to country, industry, stage, startup taxonomy, and newsroom routes tied to this company.

Company profile→Company news hub→Founder profile→United States startup directory→United States startup news→Startups in United States→Cybersecurity hub→Cybersecurity startup list→Series E startups→Series E startup list→

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FAQs About Island

Common questions people ask about this profile.

What is Island?

Build a secure web browser for the enterprise Cybersecurity Enterprise Software

Who founded Island?

Island is associated with Island Team on 100Xfounder.

Where is Island located?

Island is listed in Dallas, Texas, USA.

What stage is Island in?

Island is currently mapped to Series E. Funding context: Sequoia, $250M Series E in 2025, $4.8B valuation

What is the latest funding round of Island?

Island's latest tracked round is Series E Sequoia, $250M Series E in 2025, $4.8B valuation. Total tracked rounds: 1.

Is Island hiring now?

Island hiring status: Open Roles.

What technologies does Island use?

Island is associated with AWS, React, Python, and PostgreSQL.

Is Island verified on 100Xfounder?

Yes. Island is currently marked verified on 100Xfounder as of April 17, 2026.

How can users connect with Island founders?

Users can open founder profiles, use listed company links, and track signal updates directly from the 100Xfounder directory.