Illumio
PrivateLast Round
Series F
Jun 24, 2021
Est. Valuation
$2.75B
Total Funding Raised
$557M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Illumio is a cybersecurity company that provides a zero-trust segmentation platform designed to prevent the spread of ransomware and cyber breaches by containing lateral movement across hybrid and multi-cloud environments.
Sector
Cybersecurity
Verticals
Zero Trust, Cloud Security, Network Security, Endpoint Security, Threat Intelligence
Business Model
B2B
Customer Profile
Subscription SaaS, Services & Consulting
AI Layer
Application
Keywords
Price History
Caplight MarketPrice™ estimate for Illumio, published with a 90-day delay.
Caplight MarketPrice™
$2.36
per share, as of May 2026
-47.9%
2-year change
Caplight MarketPrice™ is an estimate of private secondary market pricing, shown here on a delayed basis for illustrative purposes only. It may be incomplete, is subject to change, and may not be relied upon for any purpose or considered investment advice.
Illumio Comparables
Compare Illumio with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| ColorTokens | 86% | |
| Zscaler | 82% | |
| IronPort Systems | 79% | |
Illumio Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series F | Jun 24, 2021 | ||||
| Series E | Feb 7, 2019 | ||||
| Series D | Jun 7, 2017 | ||||
| Series C | Apr 14, 2015 | ||||
| Series B | Sep 18, 2013 | ||||
Series A | Mar 1, 2013 |
Key People
Founding team and executive leadership
Illumio Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Andreessen Horowitz | Series C, Series D, Series B, Series A |
| Owl Rock Capital Group | Series F |
| Formation 8 | Series C, Series B |
| Hamilton Lane | Series F |
| Franklin Templeton India | Series F |
| Franklin Templeton | Series F |
| Blue Owl Capital | Series F |
Market signals
Structured signals derived from secondary market and firmographic data.
- May 14, 2026
Armis, Netskope, and FireMon named as key partners.
- May 14, 2026
U.S. Military and U.S. Air Force are now customers.
Illumio Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Illumio's valuation, stock price, and market status.