Illumio is a zero trust segmentation platform preventing the spread of ransomware and cyber b founded in 2013, currently valued at $3.2B. IPO Status: S-1 Filed in February 2026. IPO Readiness Score: 77/100 (B).
Illumio IPO status, timeline, valuation and S-1 filing tracker. Last updated June 2026.
| Industry | Cybersecurity |
| Stage | Pre-IPO |
| IPO Status | Private |
| Valuation | $3.2B |
| Total Funding | $1.24B |
| Headquarters | Sunnyvale, CA |
| IPO Readiness Score | 77/100 |
| Founded | 2013 |
Track Illumio IPO status, valuation updates, and S-1 filing milestones on TechStackIPO. Last updated June 2026.
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.
Illumio has filed an S-1 registration statement with the SEC in February 2026, signaling active preparation for a public listing. Companies that reach the S-1 filing stage typically price their IPO within 3–6 months of filing, though market conditions, regulatory review, and investor demand can affect the timeline. TechStackIPO monitors all S-1 amendments, pricing updates, and roadshow activity for Illumio.
Illumio is valued at $3.2B based on the most recent private market data. The company has raised a total of $1.24B in funding. Private market valuations are determined by the latest funding round and may differ from eventual IPO pricing, which reflects public market conditions, investor demand, and comparable company multiples at the time of listing.
Accredited investors may be able to access Illumio pre-IPO shares through secondary market platforms. These platforms facilitate private share transactions between existing shareholders (employees, early investors) and new buyers.
Risk factors: Pre-IPO investments are illiquid, carry higher risk than public market investments, and are typically restricted to accredited investors. Share availability and pricing depend on current shareholders willing to sell. TechStackIPO provides data and tracking tools but does not facilitate or recommend investments.
Funding rounds from seed through latest — Series A, B, C and beyond.
| Round | Date | Amount | Valuation | Lead Investor(s) |
|---|---|---|---|---|
| Series A | Jan 2014 | $34M | $150M | Andreessen Horowitz |
| Series B | Jan 2015 | $100M | $700M | Formation 8, General Catalyst |
| Series C | Jun 2016 | $142M | $1B | J.P. Morgan Asset Management |
| Series D | May 2018 | $65M | $1.6B | JPMorgan |
| Series E | May 2021 | $200M | $2.75B | Lionbird, Accenture Ventures |
Total funding raised: $1.24B
Bear / base / bull scenarios based on current private market valuation and comparable IPO multiples.
| Scenario | Est. Valuation | Basis |
|---|---|---|
| Bear | $3.1B | Compressed multiples, delayed listing |
| Base | $3.2B | Last private round valuation |
| Bull | $5.9B | Strong market, premium AI/tech multiple |
Estimates are illustrative. Not investment advice. All figures based on publicly available data.
Illumio has an IPO readiness score of 77/100 on TechStackIPO. A high readiness score suggests IPO activity could occur within the next 1–2 years.
Illumio's last known private valuation is $3.2B. IPO valuations typically reflect current market conditions at time of listing and may differ from private market valuations.
Pre-IPO access options may include: (1) secondary market platforms such as Forge Global or EquityZen that facilitate private share sales, (2) ETFs holding pre-IPO companies or venture portfolios, and (3) direct secondary share purchases if eligible as an accredited investor. TechStackIPO tracks availability but does not facilitate investments.
Yes. Illumio has filed an S-1 registration statement with the SEC on February 15, 2026.
Illumio operates in the Cybersecurity sector. TechStackIPO tracks multiple Cybersecurity companies from seed through IPO, including their funding rounds, valuations, and IPO readiness scores. You can compare Illumio against other Cybersecurity companies using TechStackIPO's comparison tool.
Illumio is at the Pre-IPO stage. The company has raised a total of $1.24B in funding. Companies at this funding stage are typically scaling operations, expanding market share, and evaluating public market timing.
Illumio is headquartered in Sunnyvale, CA. The company's location can influence IPO exchange selection, regulatory requirements, and investor interest. Companies headquartered in major tech hubs often benefit from proximity to venture capital networks and talent pools.