AppNexus

Name: AppNexus
Brand: AppNexus

Leader

As of September 25, 2018, AppNexus is now "AppNexus, A Xandr Company

Est 2007|Valuation $2B|Raised $344.2M|2 Ref Customers

LinkedIn 37K|Website|FTEs 1,438|HQ New York, New York, US

MarketsMarketing Automation Platforms Demand-Side Platforms (DSP)Connected TV (CTV) Advertising

01Competitive Landscape

Narrative analysis

Where AppNexus/Xandr historically performed well:

Access to CTV inventory and curated publisher supply were cited by reviewers as useful for brand-oriented campaigns.

Where competitors can be stronger:

DV360: integration with Google inventory and YouTube can be decisive for advertisers reliant on those channels.
The Trade Desk: favored by buyers seeking an independent DSP with broad demand-side integrations.
SSP competitors (e.g., Magnite, PubMatic, OpenX): may be preferred by publishers depending on demand diversity, fee structures, service levels, and regional coverage.

Strategic risk versus competitors:

The primary competitive risk is product continuity rather than feature parity. Reported plans to shut down specific DSP product lines require buyers to consider migration timelines and alternative providers.

Where AppNexus/Xandr historically performed well: - Access to CTV inventory and curated publisher supply were cited by reviewers as useful for brand-oriented campaigns. Where competitors can be stronger: - DV360: integration with Google inventory and YouTube can be decisive for advertisers reliant on those channels. - The Trade Desk: favored by buyers seeking an independent DSP with broad demand-side integrations. - SSP competitors (e.g., Magnite, PubMatic, OpenX): may be preferred by publishers depending on demand diversity, fee structures, service levels, and regional coverage. Strategic risk versus competitors: - The primary competitive risk is product continuity rather than feature parity. Reported plans to shut down specific DSP product lines require buyers to consider migration timelines and alternative providers.

	AppNexus (legacy; evolved into Xandr / Microsoft Advertising)	Google Display & Video 360 (DV360)	The Trade Desk
Starting Price	Enterprise contract pricing; not publicly standardized	Access is via Google ecosystem; some API access documented without platform fee disclosure	Contract-based; minimums commonly reported but not publicly standardized
Typical Use Case	Historically: access to curated publishers and CTV for brand campaigns; publisher monetization via successor products	Advertisers that use Google inventory and YouTube integration	Independent DSP buyers seeking open-internet reach and cross-channel buying
Key Strength	Historical strengths cited in reviews: availability of CTV inventory and higher-profile publishers	Strong integration with Google products and YouTube inventory	Established DSP with broad industry adoption and neutrality relative to walled gardens
Key Weakness	Product continuity risk due to product line changes and legacy console sunset	Potential ecosystem lock-in for buyers heavily tied to Google products	Typically requires experienced ops and significant spend to maximize value