Estimated Value $250 million

Last Year's Rank  Valuation NA

Business Online marketplace for illiquid assets

Location  New York, New York

CEO Barry Silbert

Investors FirstMark Capital, Li Ka-Shing, Temasek

Analysis The site hosts markets for various securities and allows everyone from individual investors to global financial institutions to trade these assets. The company is on target to achieve revenue of $50 million this year, up from $15  million last year. If we apply a 5x multiple we get a $250 million valuation.