Island
PrivateLast Round
Series E
Mar 26, 2025
Est. Valuation
$4.8B
Total Funding Raised
$800M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Island is a cybersecurity and enterprise software company that offers a browser platform enabling secure and efficient workflows while providing organizations with comprehensive control and visibility over their digital environments.
Sector
Cybersecurity
Verticals
Application Security, Cloud Security, Endpoint Security, Zero Trust, Identity & Access
Business Model
B2B
Customer Profile
Subscription SaaS
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Island Comparables
Compare Island with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Palo Alto Networks | 84% | |
| Menlo Security | 82% | |
| Alphabet Inc. | 77% | |
Island Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series E | Mar 26, 2025 | ||||
| Series D | Apr 30, 2024 | ||||
| Series C | Oct 23, 2023 | ||||
| Series B Extension | Nov 10, 2022 | ||||
| Series B | Mar 23, 2022 | ||||
Series A | Jan 19, 2022 |
Key People
Founding team and executive leadership
Island Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Citi Ventures | Series D, Series E |
| Georgian | Series A, Series B, Series D, Series C, Series E, Series B Extension |
| Cyberstarts | Series A, Series B, Series D, Series C, Series E |
| FUSION | Series A |
| Stripes | Series A, Series B, Series D, Series C, Series E |
| EDBI | Series D, Series E |
| Capital One Financial | Series D |
Market signals
Structured signals derived from secondary market and firmographic data.
- Apr 25, 2026
Product integrations with Forcepoint for DLP announced.
- Apr 25, 2026
Product integrations with Symantec for DLP announced.
Island Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Appears On
Curated lists and screens where this company is featured.
Frequently Asked Questions
Common questions about Island's valuation, stock price, and market status.