Lenovo that tracks the progress of these integrations. Lenovo has an annual meeting where the management of newly acquired companies meets with its top 100 executives. In these meetings, held in English, Lenovo explains its global strategy and how new executives fit into its plans. Lenovo acquired IBM's personal computer business in 2005, including the ThinkPad laptop and tablet lines. Lenovo's acquisition of IBM's personal computer division accelerated access to foreign markets while improving both Lenovo's branding and technology. Lenovo paid US$1.25 billion for IBM's computer business and assumed an additional US$500 million of IBM's debt. This acquisition made Lenovo the
Lenovo United States for the first time. Lenovo is the world's largest personal computer vendor by unit sales from 2013 to 2015. In 2016 Lenovo shipped an estimated 55.5 million PCs, for an estimated 21.3% market share, according to market research firm International Data Corporation. For the fiscal year ending March 2016, the company reported revenue of USD$44.9 billion. The company's expansion was boosted in part by a joint venture with NEC in Japan called Lenovo NEC Holdings. Lenovo was able to reclaim its top spot in PC market share 2018. In 2009, China Oceanwide Holdings Group, a private investment firm