Illumio: $3.2B valuation, IPO Readiness 77, Pre-IPO. Filed S-1 with the SEC on February 2026 — IPO actively in progress. Track live on The IPO Stack.
Illumio is the zero trust segmentation platform preventing the spread of ransomware and cyber breaches by containing every workload in isolated security zones with policy-based controls. Valued at $3.2B with $525M raised, Illumio serves 500+ enterprise customers including 12 of the Fortune 50. Major defensetech IPO candidate as zero trust architecture becomes the required security model for every enterprise following the surge in ransomware attacks.
Scores, valuations, and IPO signals for the companies that matter. 5-minute read, every Tuesday.
Top companies most likely to IPO in 2026, ranked by IPO Readiness Score.
Track Illumio IPO timeline, funding rounds, investor activity, and valuation on TechStackIPO — the pre-IPO intelligence platform.
Illumio filed its S-1 registration statement with the SEC on February 15, 2026. The IPO timeline depends on SEC review and market conditions. Track the latest signals on TechStackIPO.
Illumio is valued at $3.2B as of May 2021. This valuation is based on its most recent private funding round tracked by TechStackIPO.
Accredited investors can access Illumio shares through secondary market platforms, pre-IPO investment funds, and broker-dealer platforms that facilitate private company transactions. TechStackIPO's marketplace tracks available access options. Note: pre-IPO investments carry higher risk and limited liquidity compared to public market investing.
Illumio scores 77/100 (Grade: B) on TechStackIPO's IPO Readiness Index. The score evaluates funding scale, valuation trajectory, funding momentum, stage progression, and company maturity. Scores above 70 indicate strong near-term IPO potential.
Yes — Illumio filed an S-1 registration statement with the SEC on February 15, 2026, indicating an active IPO process.
Illumio has raised $1.24B in total venture capital and private equity funding, with backing from Lionbird, Accenture Ventures, JPMorgan.
Illumio's notable investors include Lionbird, Accenture Ventures, JPMorgan, J.P. Morgan Asset Management, Formation 8. Full investor details, funding round history, and lead investor breakdowns are available on TechStackIPO.
Illumio is a Cybersecurity company. Illumio is the zero trust segmentation platform preventing the spread of ransomware and cyber breaches by containing eve.