In 2010, LinkedIn opened an International Headquarters in Dublin, Ireland,[24] received a $20 million investment from Tiger Global Management LLC at a valuation of approximately $2 billion,[25] announced its first acquisition, Mspoke,[26] and improved its 1% premium subscription ratio.[27] In October of that year, Silicon Valley Insider ranked the company No. 10 on its Top 100 List of most valuable startups.[28] By December, the company was valued at $1.575 billion in private markets.[29]