Microsoft Invest
DefunctNew York, New York, United States · Founded 2007
1001-5000 employees · MSFT
Sourced & current · updated Oct 24, 2026Website
Microsoft Invest was Microsoft's demand-side platform (DSP), formerly Xandr Invest and, before that, AppNexus. Microsoft shut it down on February 28, 2026; its supply-side platform, Microsoft Monetize, continues.
Where they sit
Stack tier: Core Platforms (S)
Demand Side Platform (DSP)Connected TV PlatformProgrammatic Platform
A major programmatic DSP that traced its lineage from AppNexus through Xandr to Microsoft, serving large agencies and brand advertisers before being sunset in favor of Microsoft Advertising's native platform.
Ownership
Parent: Microsoft