https://www.cnbc.com/2018/06/05/adyen-ipo-prospectus-payments-firm-valued-at-8-point-3-billion.html > The listing of Adyen, the Dutch firm whose payments processing technology is used by Facebook and Netflix, got off to a strong start on Tuesday when investor demand for its shares covered those on offer within an hour. > Existing shareholders in Adyen, whose customers also include Uber and eBay, are selling a stake of up to 14.2 percent in the financial technology company which indicated in its prospectus its total equity would be valued at 6.5 billion-7.1 billion euros ($7.3 billion-$8.3 billion) when it lists on June 13.