OpenX is intentionally not the largest SSP, reflecting a strategy focused on direct partnerships, technological innovation, and integrity underpinned by AI. The company's identity graph covers more than 237 million U.S. users and 150 million connected TV devices as of 2025.
Cyborg Score Rationale
OpenX has established market leadership as an independent SSP with strong technology capabilities and a diversified product portfolio. Recent leadership stability following the appointment of Matt Sattel as CEO in February 2026 and ongoing litigation against Google filed in August 2025 reflect strategic positioning but also regulatory headwinds.
Top Insights
Identity graph covers 237+ million U.S. users and 150 million connected TV devices (as of 2025), enabling cross-channel targeting without reliance on third-party cookies
OpenXSelect product allows advertisers to build curated inventory packages using contextual, audience, publisher, and other supply-side targeting options (2025)
Filed antitrust lawsuit against Google in August 2025 alleging anticompetitive behaviors in digital advertising
Cloud-based platform prioritizes environmental responsibility with emission measurement and transparent disclosure of carbon impact
Named Competitors
Magnite (Rubicon Project) — Public SSP competing across CTV, display, and video
Pubmatic — Independent SSP for publishers across web and CTV
Google Ad Exchange (AdX) — Dominant vertically integrated exchange owned by Google
Xandr (Microsoft) — SSP and demand-side platform under Microsoft ownership
Recent Developments
(February 2026) Matt Sattel appointed as CEO following John Gentry's death
(August 2025) Filed lawsuit against Google alleging anticompetitive behaviors in digital advertising
(2025) OpenXSelect and identity graph expansion supporting 237M+ U.S. users and 150M+ CTV devices
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