Airbnb is a website for people to list, find, and rent lodging. It has over 1,500,000 listings in 34,000 cities and 190 countries. Founded in August 2008 and headquartered in San Francisco, California, the company is privately owned and operated by Airbnb, Inc.
As of July 2011, the company had raised US$119.8 million in venture funding from Y Combinator, Greylock Partners, Sequoia Capital, Andreessen Horowitz, DST Global Solutions, General Catalyst Partners and undisclosed amounts from Youniversity Ventures partners Jawed Karim, Keith Rabois, and Kevin Hartz, and from A Grade Investments partners Ashton Kutcher and Guy Oseary.
In April 2014, the company closed on an investment of $450 million by TPG Capital at a valuation of approximately $10 billion.
As of March 2015, Airbnb is raising a new round of funding that will place the company at a $20 billion valuation.