Island
Island is a cybersecurity company specializing in Endpoint Security, founded in 2020 and headquartered in Dallas, United States. It has raised $810M in equity across 9 priced rounds, employs about 1,226 people, and is privately held.
updated Sep 12, 2026
Latest Island news and company activity
What Island did, dated — selected moves from the record, one per kind, newest first.
- Sep 2026RecognitionTop 10 Best Enterprise Browsers in 2026
- May 2026Exec changeBrad Booth and Timothy Smith join Island in May 2026
- Mar 2026Product launchIsland Launches Enterprise Platform: Unified SASE, AI Security, and Browser-Based Workspace
- Feb 2026Mega roundWhy We Invested in Island: Rebuilding the Browser for the Modern Enterprise
Island Momentum score
64/ 100
Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.
Island funding
Island has raised $810M in priced equity. Its most recent round was a Series E in March 2025.
- Equity raised
- $810M9 priced rounds
- Last round
- Series EMar 2025
Island employees and hiring
Island has about 1,226 employees, up 2% over the last 30 days, with 26 open roles.
- Employees
- 1,226
- 30-day change
- +2%
- Open roles
- 26
Island competitors
Security professionals most often compare Island against Menlo Security, Palo Alto Networks, and LayerX on cybersectools.com. 6 more are in the platform, with overlap scoring.
by search demand for comparison pages on cybersectools.com, 90 days
The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobs26 live postings, role mix
- Tech stackframeworks, clouds, security
