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Illumio

Illumio

Private
Sunnyvale, CaliforniaCybersecurityhttps://www.illumio.com/

Last 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

zero trust segmentationmicro-segmentationbreach containmentlateral movement preventionnetwork visibilitycybersecurity platformcloud securityworkload protectionendpoint securitythreat detectionapplication dependency mappingcyber defensesecurity operationsblast radius reductionSaaS security

Price History

Caplight MarketPrice™ estimate for Illumio, published with a 90-day delay.

Delayed data

Caplight MarketPrice™

$2.36

per share, as of May 2026

-47.9%

2-year change

The most recent months of MarketPrice™ are available to Caplight clients.

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.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

Illumio Comparables

Compare Illumio with similar companies based on industry and business-model similarity.

Illumio comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
ColorTokens
86%
Zscaler
82%
IronPort Systems
79%

Illumio Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series FJun 24, 2021
Series EFeb 7, 2019
Series DJun 7, 2017
Series CApr 14, 2015
Series BSep 18, 2013
Series A
Mar 1, 2013

Key People

Founding team and executive leadership

Andrew Rubin

CEO & Founder

Founding Team

Ben Verghese

Chief Technology Officer

Executive Team

Gary Barlet

Public Sector CTO

Executive Team

Ron Isaacson

Senior Director, Field CTO

Executive Team

Illumio Investors

Notable investors and investment history

Illumio investors
InvestorRounds
Andreessen HorowitzSeries C, Series D, Series B, Series A
Owl Rock Capital GroupSeries F
Formation 8Series C, Series B
Hamilton LaneSeries F
Franklin Templeton IndiaSeries F
Franklin TempletonSeries F
Blue Owl CapitalSeries 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.

Recent news

Latest coverage and updates

  • recognized_asAug 18, 2026

    Illumio recognized as highest scores among all evaluated vendors in both the Current Offering and Strategy categories on Aug 18th '26.

  • recognized_asAug 18, 2026

    Illumio recognized as Customer Favorite" on Aug 18th '26.

  • attends_eventAug 4, 2026

    Illumio attends event TEISS dinner briefing.

Illumio Filings

Explore SEC and related filing metadata, where available.

Illumio filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

Common questions about Illumio's valuation, stock price, and market status.

Is Illumio a public or private company?

Illumio is a private company.

What is the current stock price of Illumio?

Illumio is a private company with no public stock price. Caplight tracks Illumio's secondary market activity and provides MarketPrice™ estimates to Caplight users.

How much is Illumio worth (valuation)?

Illumio's valuation is estimated at $2.8B based on funding round data.

Can I buy Illumio stock?

Illumio shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Illumio's last funding round?

Illumio's most recent funding round was Series F on June 24, 2021.

Who are the main investors in Illumio?

Key investors in Illumio include Andreessen Horowitz, General Catalyst, J.P. Morgan Asset Management, BlackRock, JPMorgan Chase & Co..

Will Illumio IPO soon?

No public IPO plans have been announced for Illumio.

How can I track Illumio secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Illumio's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersSunnyvale, California
Employee Range684
Year Founded2013
Last FundingJun 24, 2021

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