Dallas, TX · Founded 2020 · Privately Held (backing)
Developer of an enterprise browser designed to allow work to flow freely while remaining fundamentally secure. Island is based in Dallas, TX and was founded in 2020. It was valued at $6.4 billion at its Series F in Sep 2026, the last priced event on record. It has raised $800 million across 1 recorded round; the latest was a $400 million Series F in Sep 2026.
PMV mark · valuation
$6.4B
Oct 2026
Priced at
its Series F
Sep 2026
Total raised
$800.0M
Last round
Series F
Sep 2026
Cap table — not yet on record
Island's share-class structure hasn't surfaced in our sources yet. Cap tables are assembled from certificates of incorporation, round filings, and disclosures as they land.
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·The post-money valuation on its round
·The complete investor list: 28 names
·Watch Island: the Monday email on marks, rounds and moves