Business Insider reports that Airbnb is planning to raise $2.6 billion in its mid-December IPO.br The IPO would give Airbnb a valuation of up to $35 billion.br The company plans to list about 50 million shares at between $44 and $50 per share, a regulatory filing showed.br Airbnb will list on the NASDAQ under the symbol "ABNB."br It was previously eyeing a $30 billion valuation, with $3 billion in proceeds.