8、AppNexus

成立时间：2007年

已募集的风投资金：3.132亿美元

估值：16亿美元

简介：位于纽约的AppNexus是一个提供实时在线广告的平台。今年3月，公司以1亿美元的价格收购了竞争对手Yieldex，《华尔街日报》表示他们拥有“进行首次公开募股的潜力”。在这次并购之前，AppNexus还在2014年共斥资2亿美元，收购了跨设备广告初创公司MediaGlu、广告服务平台Open AdStream和法国可视性商店Alenty。

8. AppNexus

Year founded: 2007

VC money raised: $313.2 million

Valuation: $1.6 billion

About: New York-based AppNexus, which provides a real-time online advertising platform, acquired rival Yieldex in a $100 million deal last March that the Wall Street Journal said had “potential IPO ramifications.” Prior to that acquisition, AppNexus purchased cross-device advertising startup MediaGlu, ad-serving platform Open AdStream and French viewability shop Alenty for a collective total of over $200 million in 2014.