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COMPANY PROFILE

OpenX

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OpenX has the largest independent ad exchange network for publishers and demand partners, while maintaining the highest quality marketplace standards

Pasadena, United StatesFounded 2007Marketing
Revenue $50–100M Latest reported FY
Headcount 500–1k Current team size
Unlock exact values This page shows ranges. Dealroom has the exact numbers for OpenX and the history behind them.

At a glance

Founded
2007
Headquarters
Pasadena, United States
Sector
Marketing
Power Law
Thoroughbred$100M+ revenue

Knowledge graph

News, research, reports and resources connected to this company by Dealroom

Investors

12 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed4 investors entered at this stage

Series B and later8 investors entered at this stage

Ownership

Share of equity by holder

Estimated cap table from Dealroom's shareholder data — share of equity by holder. Stakes as last recorded by Dealroom (2026). Percentages are indicative.

Some investors are hidden on this public profile. See the full cap table on Dealroom →

Talent

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Employees mapped 527 incl. 15 AI specialists
Founders Hidden — book a demo/100 quality score
Key operators 13 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia 12 alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Alumni founders

5 of 12 startups shown

Former OpenX employees who went on to found companies, sorted by Dealroom signal score.

KojiEst. 2016
Jonathan MillerUnited States
Signal score88
Bliss AestheticsEst. 2022
Miki RapoportUnited States
Signal score87
Out of the Blue.Est. 2020
SAShubhasheesh AnandUnited States
Signal score83
AlphaPointEst. 2013
Igor TelyatnikovUnited States
Signal score73
VictoriousEst. 2013
Michael ToddUnited States
Signal score73
7 more alumni-founded companies in this previewBook a demo

Global footprint

Workforce and web traffic by country
Workforce by country
14 countries with
team presence
🇺🇸 United States51.7%
🇵🇱 Poland37.6%
🇬🇧 United Kingdom2.9%
🇸🇬 Singapore1.9%
🇯🇵 Japan1.5%
Top 5 of 14 shown
Web traffic by country
58K monthly visits
across markets
🇮🇳 India23.4%
🇺🇸 United States15.7%
🇬🇧 United Kingdom8.1%
🇦🇺 Australia7.1%
🇪🇸 Spain4.7%
Top 5 markets shown

Investments and acquisitions

Disclosed deals where OpenX was the backer or acquirer, 2012–2017. Toggle between venture rounds, M&A, or both. The map below is grouped by the target company's sector — the colored pill on each chip is the round type.

Portfolio analysis

3 deals across OpenX's capital deployment.

Where the deals concentrate by sector, stage, and decade.

By sectorCount
    By stageCount
      By periodCount

        OpenX's portfolio, mapped.

        Stage
        Period
        3 of 3 deals

        Market sentiment

        Posts on X, past 7 days

        An AI-synthesised read of the highest-engagement posts about OpenX on X, ranked by likes and reposts, corporate channels excluded.

        Reading the room on X — pulling top posts and synthesizing themes…

        Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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