Illumio is a cybersecurity company focused on breach containment and Zero Trust segmentation. Its platform helps prevent lateral movement across hybrid and multi-cloud environments.
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Illumio shares are not on public exchanges. UpMarket provides accredited investors access through secondary market transactions.
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| Date | Round | PPS (split-adj.) | Valuation |
|---|---|---|---|
| FY22 | Series F | ||
| Series E |
Illumio announced a $225 million Series F led by Thoma Bravo at a $2.75 billion valuation. The round also included Franklin Templeton, Hamilton Lane funds, and Owl Rock, signaling continued investor demand for zero-trust segmentation.
Illumio raised $125 million in Series D led by J.P. Morgan Asset Management, bringing total funding to $267 million. Existing investors Andreessen Horowitz, General Catalyst, 8VC, Accel, and DCVC also participated, indicating strong backing for its segmentation approach.
TechCrunch described Illumio as a data center and cloud security provider that protects individual applications and processes by segmenting enterprise networks. The company said it would use the $125 million Series D to expand business development, R&D, and customer support.
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No. As of March 2026, Illumio is a private company and does not trade on any public stock exchange. Accredited investors can access Illumio shares through UpMarket, a FINRA-registered broker-dealer that specializes in pre-IPO investments.
Illumio does not have a public stock price because it is privately held. The most recent known share price comes from its last funding round. Pre-IPO share prices on the secondary market may differ from the last round price depending on supply, demand, and market conditions.
Yes. Accredited investors can indicate interest in Illumio shares through UpMarket by filling out the form on this page or creating an account at upmarket.co. All pre-IPO offerings are subject to availability and require a $50,000 minimum investment. UpMarket is a FINRA-registered broker-dealer and has brokered alternative investments since 2019.
Pre-IPO investments carry significant risks. Illumio shares are illiquid, meaning there is no public market to sell them quickly. There is no guaranteed exit timeline or return. The investment is speculative in nature, and investors should be prepared for the possibility of total loss. Valuations of private companies can fluctuate substantially between funding rounds. Investors should consult their financial advisor and review all offering documents before investing.
In a pre-IPO transaction, accredited investors purchase shares from existing shareholders (such as employees, early investors, or other holders) through secondary market platforms. The company itself does not issue new shares in these transactions. UpMarket facilitates these trades as a FINRA-registered broker-dealer, handling compliance, documentation, and settlement on behalf of both parties.
There are two primary exit paths for pre-IPO holdings: selling your shares on the secondary market to another buyer, or holding until the company completes an IPO or is acquired. Both paths are subject to transfer restrictions, company approval (right of first refusal), and market conditions. The timing of any exit is unpredictable, and investors should plan for a multi-year holding period.
The minimum investment for most pre-IPO offerings on UpMarket is $50,000. This amount may vary depending on the specific offering and share availability. There are no fees to create an UpMarket account or browse available investments. Investors only pay transaction-related fees when they complete an investment.
UpMarket's valuation estimate of is derived from a proprietary model that incorporates multiple data sources: funding round data (Caplight), revenue estimates (Sacra), secondary market pricing, and public company comparables. The model applies a private company discount to the public comp multiple to account for illiquidity and information asymmetry. This estimate is not investment advice and may differ substantially from the price at which shares actually trade.
Illumio generated $126M in 2023 revenue and focuses on breach containment through Zero Trust segmentation across hybrid and multi-cloud environments, after raising $225M at a $2.75B Series F valuation — accredited investors can access Illumio stock through UpMarket.