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 |
OpenAI is valued at $852B — the world's most valuable AI company, backed by $27B in funding. Track IPO readiness score, funding rounds, and timeline.
| Industry | Artificial Intelligence |
| Stage | Pre-IPO |
| IPO Status | Pre-IPO |
| Valuation | $920.0B |
| Total Funding | $65.4B |
| Headquarters | San Francisco, CA |
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Island is valued at $1.3B. OpenAI is valued at $920.0B. Both valuations are based on the most recent private funding rounds tracked by TechStackIPO.
Island has raised $485M. OpenAI has raised $65.4B.
Island is currently private. OpenAI is currently pre-IPO. Track both on TechStackIPO for S-1 filings and IPO announcements.
Island operates in Cybersecurity, while OpenAI operates in Artificial Intelligence.
Island is a Cybersecurity company valued at $1.3B with $485M raised. OpenAI is a Artificial Intelligence company valued at $920.0B with $65.4B 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 OpenAI 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.