WPP, XAXIS AND APPNEXUS ANNOUNCE STRATEGIC TRANSACTION AppNexus Acquires Open AdStream Ad Serving Platform from Xaxis; WPP Will Take Equity Stake in AppNexus with $25 Million Investment Deal Enhances AppNexus’ Position as Industry’s Largest Independent Ad Serving Platform; Strengthens Xaxis’ Position as Leader in Programmatic Media Products
AppNexus Acquires Leading Advertising Viewability Company Alenty
AppNexus: Powering the ads that power the internet
AppNexus is creating a better internet
AppNexus & Millennial Media Launch World's Largest Premium Mobile Ad Exchange
AppNexus is Made in New York

APPNEXUS TECHNOLOGY POWERS THE MOST INNOVATIVE TRADING SOLUTIONS AND MARKETPLACES FOR INTERNET ADVERTISING.

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Differentiated
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Improve performance and scale your business with the industry's most customizable technology stack.
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Trading
Desk
Focus on developing and showcasing your unique expertise, not on building infrastructure.
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Bring your vision to life on a platform connected to more of the industry's buyers and sellers.
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Monetize your inventory and drive higher yield with access to more sources of demand and best-in-class tools.

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AppNexus News

Elisabeth DeMarse Joins AppNexus Board of Directors
October 23, 2014

AppNexus, the world’s largest independent ad tech company, today announced the appointment of Elisabeth DeMarse, Chairman and CEO, TheStreet, Inc., to its Board of Directors.

WPP, Xaxis, and AppNexus Announce Strategic Transaction
September 22, 2014

WPP, Xaxis, and AppNexus announced today a strategic transaction that will augment AppNexus’ position as the industry’s largest independent ad technology company. Under the terms of the agreement, AppNexus will acquire Xaxis’ premium ad-serving technology, Open AdStream® (OAS), now known as Xaxis For Publishers. In addition, WPP will invest $25 million in AppNexus, adding to the $85 million in funding the company recently raised at a valuation of $1.2 billion.

AppNexus Events

Nov
4
ATS New York 2014
New York, NY

AppNexus President Michael Rubenstein will be participating in a fireside chat with ExchangeWire CEO Ciaran O'Kane on "The Open Manifesto". AppNexus will also be the sponsor for the event's networking luncheon from 12:20 - 2:00 pm.

Nov
5
AppNexus Summit NYC 2014
New York, NY

The AppNexus Summit is returning to New York City! Request an invitation to join the world's largest independent advertising technology company for an exclusive event that will empower you to innovate in a vibrant and growing ecosystem. Learn about upcoming product enhancements, engage in lively debate, and discuss the future of the industry while networking with some of the most enlightened minds in digital advertising.