Side-by-side IPO readiness, funding history, and valuation comparison. Data sourced by TechStackIPO.
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Island is the enterprise browser providing secure, managed access to all business applications with built-in data loss prevention, zero trust enforcement, and granular access controls. Valued at $1.3B with $200M raised, Island serves Fortune 500 companies and competes with Zscaler, Palo Alto Networks, and Menlo Security in the $50B+ secure access service edge (SASE) market. Major defensetech IPO candidate as enterprises replace traditional VPNs with enterprise browsers for secure remote access.
| Industry | Cybersecurity |
| Stage | Series D |
| IPO Status | Private |
| Valuation | $1.3B |
| Total Funding | $485M |
| Headquarters | Dallas, TX |
Stripe is a global financial infrastructure platform for businesses. Following its May 2026 IPO, the company is publicly traded on the NYSE with a market cap exceeding $180B.
| Industry | Fintech |
| Stage | Pre-IPO |
| IPO Status | Private |
| Valuation | $159B |
| Total Funding | $9.4B |
| Headquarters | San Francisco, CA |
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Island is valued at $1.3B. Stripe is valued at $159B. Both valuations are based on the most recent private funding rounds tracked by TechStackIPO.
Island has raised $485M. Stripe has raised $9.4B.
Island is currently private. Stripe is currently private. Track both on TechStackIPO for S-1 filings and IPO announcements.
Island operates in Cybersecurity, while Stripe operates in Fintech.
Island is a Cybersecurity company valued at $1.3B with $485M raised. Stripe is a Fintech company valued at $159B with $9.4B raised. See TechStackIPO's full side-by-side comparison for IPO readiness scores, funding timelines, and investor data.
Accredited investors can access pre-IPO shares in Island and Stripe through secondary market platforms, pre-IPO funds, and broker-dealer platforms that facilitate private company transactions. TechStackIPO's marketplace section tracks available access options for both companies. Pre-IPO investments carry higher risk and limited liquidity.